TW320710B - - Google Patents

Description

V. Description of the invention (1) Printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs This invention relates to a method for reading bar code and other symbol information. Due to the recent popularity of POS (point-of-sale sales and timely information management system), bar codes have been widely known. The so-called bar code here refers to a pattern of bar codes formed by strips of different sizes and parallel groups of blanks. If necessary, the necessary symbol groups containing check digits can be listed in parallel, for example Marks composed of special designation patterns in which start / stop symbols are placed before and after. As a bar code that is widely used in general consumer products, it has been standardized as JAN (Japan Article Number) in Japan. In addition, as other applications of bar codes, there is a logistics mark, which is formed by adding one or two digits of the logistics identification code before the JAN code mentioned above. The above bar code symbols are called one-dimensional bar codes. The amount of information that these code strips can hold is at most tens of information groups (byte = bit). However, in recent years, the demand for bar code information has become higher and higher. In response to this, various symbol bars called two-dimensional bar codes have also been published. According to these symbol bars, they have Dimensional barcodes have much more information coding features. This method uses a method of increasing the amount of information through the stacking of one-dimensional bar codes. The mark formed by such a method is called a stacked bar code. PDF-417's dish is one of them. In the past, as a marking information reading device for reading such a pile-type bar code, a laser scanning type device disclosed in Japanese Patent Laid-Open No. 2-268382 has been known. In this device, laser light is used for two-dimensional scanning to read and interpret the barcode symbol information. In addition, in Tokukaihei No. 2-268383, it was also announced that the two male photography devices were used to capture the bar code and transfer the image of the bar code to the 100-million-meter device. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 320710 at B7. V. Description of the invention (2) This device is used to interpret the barcode data and interpret the barcode information. However, in the above bar code symbol information reading methods, there is information that can not be decoded from the bar code symbol information scanned or photographed. Even if the decoding cannot obtain the desired result, the device is still as The decoding process is usually performed as usual, which takes time to process. Also, when it cannot be decoded, although it is necessary to scan or ingest the barcode to be fetched again to obtain the barcode symbol multiple, but if Xing can decode, it must be decoded to know, and it cannot be immediately scanned or ingested. Knowing whether it can be decoded, so useless waiting time is required. An object of the present invention is to provide a method for reading symbol information that can save useless waiting time when reading barcode symbol identification, and when taking a stacked barcode sample recognition. The present invention can provide a method for reading symbol information having the following devices: a bar code composed of a strip and a blank is used as a two-dimensional image photographing device; a billion device that records billions of information obtained from the camera device; In the information of the billion-counting device, the position estimation device for estimating the code position of the barcode; based on the code position estimated by the position estimation device, the barcode is assumed to be a decoding possibility estimation device that Xing can interpret. Printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs (please read the precautions on the back and then fill out this page). The bar code composed of blanks is used as the information obtained by the two-dimensional image photography device badge. It is called based on the code position of the bar code estimated by the position estimation device based on the information recorded in the above-mentioned recording device. The property estimation device estimates whether the barcode can be decoded. Thus, since it is possible to know whether decoding is possible immediately when scanning or capturing a bar code, useless waiting time can be saved. That is, only when the estimation result of the decoding possibility estimation device is decodable, it is deciphered that it is recorded in the above-mentioned notebook. The paper scale is applicable to the Chinese National Standardization (CNS) A4 specification (210X297 mm) 320710 V. Description of the invention (3) A7 B7 Information on the cooperation of employees of the China National Standards Bureau of the Ministry of Economic Affairs to print 100 million devices. **** A brief description of the drawings **** FIG. 1 is a block diagram of a method for reading a mark information used in the first embodiment of the present invention. Figure 2 shows a bar code identification diagram of a PDF-417 code bar with a stacked bar code as an example. Fig. 3 is a schematic diagram of a barcode identification image projecting a PDF-417 body strip on a pixel array of a hypothetical frame marker. Fig. 4 illustrates a flow chart of the outline operation used in the method of extracting token information according to the first embodiment of the present invention. FIG. 5 illustrates the flow of pre-processing instructions in FIG. 4. FIG. 6 illustrates a flowchart of the image reading instruction in FIG. 4. FIG. 7 illustrates a flowchart of the mark detection instruction in FIG. 4. Fig. 8 shows the contents of the frame marker when the image of the barcode label of the PDF-417 code strip used for explaining the label detection device is taken. FIG. 9 shows the contents of the frame marker when the image of the barcode mark of the PDF-417 code bar used for explaining the apparatus for determining the inclination of the mark is taken. FIG. 10 illustrates a flowchart of the start / stop code detection instruction in FIG. 7. 11A to 11C are flowcharts showing the scan and detection commands in FIG. 10. FIG. 12 illustrates a flowchart of the start edge position detection instruction in FIG. 7. FIG. 13 illustrates the flow of the stop edge position detection instruction in FIG. 7. FIG. 14 illustrates a flowchart of the instruction for determining the tilt of the mark in FIG. 7. FIG. 15 illustrates the flow of the hand tremor detection instruction in FIG. 4. 16A and 16B are flowcharts illustrating a series of start code check instructions in FIG. 15. (Please read the precautions on the back before filling in this page) The paper size of this version is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm). Central sample of the Ministry of Economic Affairs _ printed by Beigong Consumer Cooperative 32〇7ί ο Α7 __ ^ _ Β7__ 5. Description of the invention (4) FIGS. 17A and 17B are flowcharts illustrating a sequence of stop code check instructions in FIG. 15. FIG. 18 illustrates a flowchart of the limit determination command in FIG. 4. Fig. 19 is a diagram showing the contents of the frame marker when the image of the P-type label for the PDF-417 code bar explaining the limit detection line is taken. Fig. 20 shows the waveform of the withdrawal of the start code. FIG. 21 illustrates a flowchart of the pointer information decision instruction in FIG. 4. Fig. 22 shows the contents of the frame marker when the image of the bar code mark of the PDF-417 bar code for determining the row number and column number is imported. 23A and 23B are a series of flowcharts illustrating the scan equation determination commands in FIG. 4. Fig. 24 shows a frame marker when a barcode identification image of a PDF-417 bar of a computing device describing a starting point row and a final sticking row is taken in. FIG. 25 illustrates a flowchart of the supplementary check instruction in FIG. 4. FIG. 26 illustrates a supplementary inspection command for projecting images to the bar code logo of the frame marker. FIG. 27 illustrates a flowchart of the ROW detection instruction in FIG. 25. FIG. FIG. 28 illustrates a flowchart of the ROW serial number detection instruction in FIG. 27. FIG. FIG. 29 illustrates a flowchart of the optimal scan command in FIG. 4. Fig. 30 shows the contents of the frame marker when the image of the barcode identification of the PDF-417 brewing bar describing the optimal scanning device is taken. FIG. 31 illustrates a flow chart of the intelligent scanning instruction in FIG. 4. FIG. Figs. 32A and 32B are flowcharts illustrating conversion instructions for conversion to the wide information in Figs. 28, 29, and 30. Figs. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) (Please read the precautions on the back before filling in this page). Ordered by the Ministry of Economic Affairs, China Falcon Bureau Cooperative Printing Cooperative ^ β〇7 ^ Π _Β7_ V. Description of the Invention (5) FIG. 33 is a diagram illustrating a peak selection rule for wide information conversion. Fig. 34 is a diagram showing the position of the two peaks for which it is difficult to calculate the peak spacing. Fig. 35 is a flowchart explaining the outline operation of the method for reading the mark information used in the second embodiment of the present invention. Fig. 36 is a flowchart of the symbol detection instruction in Fig. 5; 37 is a flowchart of the start / stop position detection command in FIG. 36. FIG. 38 is a flowchart of the start / stop code pick-up instruction in FIG. 37. FIG. FIG. 39 is a flowchart of the scan and detect commands in FIG. 38. 40 is a flowchart of the data tilt detection instruction in FIG. 36. FIG. 41 is a flowchart of the tilt estimation detection command in FIG. 40. FIG. 42A and 42B are diagrams illustrating detection of tilt estimation, respectively. FIG. 43 is a flowchart of the scan command in FIG. 35. Fig. 44 is an explanatory diagram of scanning. Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 shows the structure of the first embodiment of the present invention. The symbol information reading method of this embodiment is composed of an imaging lens 3, a two-dimensional photographing device 5, a garden frame marker 6 and a data processing device 7. Although the data processing device 7 does not have a special illustration, it causes the position detection unit 7A and the tilt detection unit 7B, which are configured by the CPUfD register to estimate barcode position information, to determine whether to decode based on the estimated code arrangement Functions of various functional units such as the decoding execution decision unit 7C of the process and the decoding unit 7D that decodes the barcode according to the above determination result. In addition, the billion register in the barcode processing device 7 includes # types of registers necessary for storing various constants and variables as described later. The stacked bar code mark printed on the cargo 1, such as the PDF-417 formatted bar code mark 2, is imaged by the imaging lens 3 on the photoelectric conversion surface 4 mounted on the holographic camera 5. The five-dimensional photo paper by the two-dimensional photography device is suitable for the Chinese National Standard (CNS) A4 specification (210X297mm) ---------------- IT ------ Fly (Please read the precautions on the back before filling out this page) __ 3i〇7 10 A7 B7 V. Employee's Consumer Cooperation of the Ministry of Economic Affairs of the People's Republic of China Printed the description of the invention (the converted identification information is taken as a video signal in time sequence Enter the frame to mark the two-dimensional surface of the billion device 6 (Bank Ο 6A, Bank 1 6B). Figure 2, as an example of a stacked bar code, shows the logo structure of PDF-417. The bar code recognition 2 has a stripe and An information component area Di identifier 21 that should be decoded by a bar code symbol group composed of blank groups, and a start code 22 and a stop code 23 that are arranged before and after it as start / stop symbols. The unit, except for the stop code 23, is composed of four healthy strips and blanks. In addition, the start and stop codes 22 and 23 start from the large strips 22A and 23A called "large strips." "Information unit" refers to what is called " symbol "in JAN code, and refers to being called in PDF-417 "Codeword" (hereinafter abbreviated as "Code ""). In particular, in PDF-417, once the information unit composed of a stripe and a blank pattern is transformed into what is represented by "〇"-"928" After the intermediate information, it is decoded into the final language according to the regulations. This final language supports ASCII text or binary and other in PDF-417. The identification unit 21 is indicated by a line that exists beside the start code 22 and the stop code 23 The code of the device 21A and the standard matrix 21C composed of a plurality of columns that record the actual data sandwiched between these row indicators 21A. The row indicator 21A records the row and column dimensions Or safety level, etc. Therefore, if the information of the indicator 21A in this row is interpreted, the size of the marked information or the number of codes that can be repaired, etc. can be determined. The "security level" mentioned here refers to data repair (error correction) The level of ability. If the security level is set to η, the number of repairable codes is [2Π + 1-2] 膣. The subtracted two sterns in this formula are used for error detection. That is, in the identification matrix 21C, for error detection It contains the second hall of Lufa, such as the well-known read solomon symbol. When decoding, the paper standard uses the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the note on the back first (Fill in this page again)

Printed and printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 320710 A7 B7____ V. Invention description (7) By using this error detection / repair code, the actual information data detected by error can be repaired. And here, Fig. 2 also shows a barcode identification with a 4X 2 identification matrix (hence the code number is " 8 "). Fig. 3 shows a hypothetical pattern for projecting a PDF-417 logo image with a 4 × 1 logo array (so the code number is “4”) on the pixel array of the frame marker 6. Moreover, the grid in the same figure does not represent one-tilt pixels, but the size of the ηΧη image. In the data processing device 7, the algorithm will be described in detail as follows, identification detection, identification information is read out, decoding is performed, and the decoding result is output to a host device (not shown) or the like. Fig. 4 is a flowchart showing an outline of an algorithm executed by the data processing device 7. Moreover, in this specification, the flowchart is written according to the description method of the programming language C. First, call the pre-processing instruction (step S1) and set the parameters of the variable INCO (in practice, various parameters are initially set). After that, the image fetching instruction is called (step S2), and the images are fetched into the frame and the two-fold animal face (Bank 0 6iA, Bank 1 6B >). Store the image data of one screen in Bank Ο 6Α, and then store the image data of the other side in Bank 1 6Β. At this time, the latest frame data after issuing the fetch command is initially fetched into Bank 0 6A, after the fetching is completed, the receiver will issue a fetch command again and fetch the latest frame data ”, Bank 1 6B. Therefore, there is a photographing time difference between the two screen data (the time difference is Enter Bank 0 6 (June time) + (0-1 / 30 seconds). Then, call the logo detection instruction (step fee S3), and use the Bank Ο 6A in the captured image data to check the presence and No, if the mark exists on this paper scale, the Chinese National Standard (CNS) A4 specification (210X297mm) is applicable

In ml In m n (please read the precautions on the back before filling in this page) Order ^ Printed by the Ministry of Economic Affairs, Falcon Bureau, Beigong Consumer Cooperatives 320710 a? B7 Fifth, the description of the invention (8) The identification information will be detected. Furthermore, it is judged that the result of the mark detection process in the above step S3 (step S4), and if the mark does not exist, control is transferred to the above step fee again [S1 to call the aforementioned processing instruction. On the other hand, when the mark exists, the hand peduncle detection instruction is called (step S5), and the hand shaking is further estimated using Bank 16B in the image data taken in by the step fee S2. Hand tremor here refers to the movement of the image caused by high frequency (multiple repetitions) when the printed matter of the printed barcode barcode 2 is mounted on this picking device. Next, the result of the hand tremor detection of the upper step S5 is judged (step S6), and when hand tremor occurs, control is transferred to the above step S1 again and the pre-processing instruction is called. When there is no manual control, call the limit decision command (step S7), which will be treated as a supplementary check command for step SB, the best scan command in step SD, and the smart scan command in step SF. The limit value (variable THRESHOLD) to be used in the processing of the line data of the object and the wide multiplication between the edges (the variable THRESHOLD) 0 Next, the indicator multiplying decision instruction is called (step S8>, and the line indicator 21A of the identification 2 is taken , Determine the size of the logo, etc. In the decision command in step S8 above, determine whether to determine the size of the logo (step S9), and when it is not decided, transfer control to the previous step S1 again and call the pre-processing command. On the other hand, when the negotiated size etc. are decided, the scan equation decision instruction (Step Theory [SA], defined as a full scan of various variables of Standard Miscellaneous 2) is called. Next, the supplementary check instruction is called (Step SBh carries out each "code word" ; Prediction of the position, and then check whether the position of each "quote" is within the gold face. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the back side first Precautions to fill out this page)

The Ministry of Economic Affairs, Central Bureau of Standards, Labor and Consumer Cooperation Du Printed A7 _B7__ V. Description of the invention (9) Furthermore, by judging whether the number of out-of-plane codes estimated by SM in the above steps cannot be read is above the repairable number To determine whether decoding is possible (step SC), when it is more than the number, it is considered that decoding is impossible and the control is transferred to the above step S1 again and the pre-processing instruction is called. On the other hand, when it is below its number, that is, when it is judged that it can be decoded, the best scan command (step SD) is called, and the variables defined in the above step SAfilf are used to scan the logo at the best interval and read Identification information. The so-called "best scan" here refers to a scan that can determine the optimal interval of identification information with a minimum amount of calculation. And use the information obtained by the optimal scan in the above step SD to determine whether decoding is possible (step SE>, when decoding is possible, transfer control to the decoding process of step SH. In addition, when decoding is not possible, call the intelligence described in detail later Scanning instruction (step SF). This intelligent scanning instruction uses various variables defined in the above step SB to scan the code position that was not read in the above step SD, and fetches the proposed information. Furthermore, it is used in this step SFW step SD read Take the information to determine whether decoding is possible or not (step SGh when decoding is possible, transfer control to the decoding process of step SI SH. In addition, when decoding is impossible, then transfer control to the above step S1 again and call the pre-processing instruction. In step In the decoding process of SH, the multiplier read in the scan command of the above step SD and the smart scan command of the above step SF is decoded, and the decoding result is output to a host device not shown in the figure. The various processing instructions described above will be explained in detail. First, referring to the flowchart of FIG. 5, the paper standard common Chinese national standard before the call in step S1 will be described. (CNS) A4 said grid (210X297 mm) (Please read the back of the precautions to fill out this page) book S20710 A7

Ministry of Economic Affairs _ Central Sample Bureau Beigong Consumer Cooperative Printed 5L B7 V. Invention Instructions (i〇) Processing Instructions. That is, it is first determined whether the value of the variable INCO is the same as the reference increment which is a predetermined detection interval (step S11). If they are the same, the fee amount INCO is reset to the value with the prescribed correction increment added (step S12); if it is different, it is reset to the above-mentioned reference increase (step S13). Thus, the value of the variable INCO changes by the large loop in the schematic flow chart in Fig. 4 through the pre-processing instruction in odd and even times. In addition, the symbol “==” in the figure indicates “the same”, and the symbol “= " indicates substitution. In addition, the value of the variable INCO indicates the detection interval when the standard is not detected. Next, refer to FIG. 6 Is a flowchart illustrating the image fetch instruction called in step S2. First, the image data is fetched from the two-dimensional photographing device 5 into the bank 0 6A of the frame marker 6 (step S21). Then, Then, the image data is taken from the two-dimensional photographing device 5 into the Bank 16B step S22 of the frame-counting device 6. This results in the image data of the two-layer surface of the continuous entanglement. Next, referring to FIG. 7 The flow chart and the diagram of the proposed projection image of FIG. 8 (this figure shows a barcode mark with a 4X1 mark array (so the number of codes is 4)), illustrating the wipe recognition detection instruction called in the above step S3. The mark check Instruction package: check the presence or absence of the sample recognition, check the position information of the target, that is, the extraction range (variables TOP and BOTTOM) and the tilt of the knowledge required to extract the garden image data from the frame marker 6 in parallel with the logo (Love number SLOPE) Such two kinds of Sassafras detection processing. The value of this variable TOP indicates The detection of the top coordinate of the recognition, the variable BTITTNO and the tilt of the recognition (variable SLOPE). The value of the variable TOP indicates the top coordinate of the logo, the content of the variable BOTTOM indicates the base of the logo, and the content of the variable SLOPE It indicates the inclination of the logo. In the proposed detection instruction, the image to be processed is first set as a frame (please read the precautions on the back and then fill out this page). Order ^. This paper scale is applicable to Chinese national standards. (CNS ) A4 said grid (210X297 mm) Printed by the Consumer Cooperative of the Central Prototype Bureau of the Ministry of Economic Affairs A 7 ____B7_ Five 'Invention Description (11) Bank Ο 6A of Billionaire 6 (Buchen 31>. Later, initialize the standard inspection Flag (step S32). This flag detection flag consists of the start detection flag start-flag and the stop detection flag stop-flag. This flag detection flag is used in other processes described later to indicate that the selection and the start of processing should be Where is the code 22 and the stop code 23. This is because when the start code 22 and the stop code 23 are detected, it is necessary to select the one with higher reliability. Then, call the start / stop code detection instruction ( Step S33), check whether there is a start / stop code in the image data of Bank 0 6a of the frame-counting device 6. Also check the seats e, f, g, h in FIG. 8 (but, and It is not necessarily limited to the detection of all four coordinate variables. For example, in the case shown in Figure 9, the coordinate variables f and h may not be found. With this command, if it is possible to detect and determine the start (or> stop Code, you can define the coordinate variable g on the ticker 6 in Figure 8 in the case of the start code 22, or the coordinate change to h in the case of the stop code 23. The displacement of each coordinate here is expressed as: e is the coordinate of the initial discovery start code 22, f is the habitat of the initial discovery stop code 23, g is the coordinate of the last discovery start code 22, h is the last discovery of the stop code 23 coordinate. Furthermore, it is judged whether one of the coordinate variables g and h has been defined (step S34). When it is not defined, # is deprived of the process for lack of consciousness, and Di returns with the information without standard. In this description, the diurnal method of the figure is formed according to the expression of C language. If it is expressed in the language of fortran, etc., it should be established after no sign is established before returning. As described above, it is possible to detect the presence or absence of sassafras. Then, the position information of the mark can be checked, that is, the extraction range (subjected to TOP and BOTTOM) and the tilt of the standard mark required to extract image data from the garden frame 6 in parallel with the mark Calculation of the variable SLOPE > Also, in the above step SS34, it is determined that a certain paper size of the coordinate variables g, h is applicable to the Chinese National Standard Falcon (CNS) A4 specification (210X 29 * 7mm) (please Read the precautions on the back and then fill out this page) A7 printed by the Consumer Cooperative of the Central Prototype Bureau of the Ministry of Economic Affairs. __B7_ 5. Description of the Invention (l2) When the definition has been defined, then determine whether the coordinate variable g has been defined (step S35) ), If it is not defined, go to step S37. However, when the coordinate variable g is defined, the start edge position detection instruction is called (step S36), and the start edge position is detected. This starts the edge detection pass The coordinate variables e and g (if the coordinate variable g has been defined, the coordinate variable e has of course also been defined) define the coordinate variables i and m as shown in FIG. 8, and further define the coordinate variables a and d. S , ON start-flag (01 start-flag effectively defines the TOP and BOTTOM coordinates. Here, the coordinate variables a and d represent one of the four corner coordinates of the logo. Second, determine whether the coordinate variable h has been defined (step S37), if not defined, enter Step S39). However, when the coordinate change h is defined, the stop edge position detection instruction is called (step S38>, and the stop edge position is detected. This stop edge position is detected, and the coordinates change f and h (If the coordinate variable h has been defined, then the coordinate variable f has also been defined.) Define the coordinate variables j and k as shown in Figure 8, and then define the coordinate variables b and c. In addition, ON stop-flag defines the coordinate variables TOP and BOTTOM. Coordinate variables b and c respectively represent a slap in the four corner coordinates of the logo. Next, determine whether start-flag and stop-flag are both ON (step S39), and when both parties are not NO, enter step Huan S3E And here, the symbol in the figure represents the theoretical product. When the two flag detection flags are both ON (valid), after resetting both start-flag and stop-flag once (step S3A), compare the line segments (a- d > and (c-d > (step Step S3B), the one with the longest line segment is selected as the processing target in the start code 22 and the stop code 23. This is because in normal use, the biggest reason why the unilateral code is shorter than the other parties is overflowing from the day In this case, the longer one is selected as the processing standard. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) (please read the precautions on the back before filling this page). 32C71Q A7 B7 printed by the Industrial and Consumer Cooperatives V. Description of the invention (13) Moreover, when the line segment Ud) -square is shorter than the line segment (bc), the value of the coordinate variable b is substituted into the coordinate variable TOP, or the coordinate is changed to c The value of is substituted into the coordinate variable BOTTOM and defined as the data required to determine the extraction range of the identification information. Furthermore, the stop-flag is selected and turned on (step S3C). On the contrary, when the length of the line segment (ad) is more than the line segment (bc), the value of the coordinate variable a is substituted into the coordinate variable TOP, or the value of the coordinate variable d is substituted into the coordinate variable BOTTOM and defined as the extraction model for determining the identification information The required data, and then select and ON start-flag (Step S3D). Furthermore, the command for obtaining the tilt of the sample recognition (step fee (S3E), the tilt of the logo through these coordinate variables TOP and BOTTOM (variable SLOPE and the information obtained with these variables and the logo is returned. Below, refer to the figure The flowchart of 10 illustrates the start / stop code detection instruction called in the step circle E S33 in the above-mentioned identification detection finger signaling. This start / stop code detection instruction is to detect the coordinate variable e and Command of at least one of g, or f and h. That is, first, the value of the detection interval variable INCO when the flag is not detected is substituted into the variable detection interval INIT for the detection interval (step S331). Then, scanning and inspection are called Issue (line) instruction (step S332), scan the image data of Bank 0 6A of the frame marker 6 in the line direction, and detect the start / stop code. The scan in the line direction refers to Rupu 8, as a line scan, scan in the direction of the length (longitudinal direction of the rectangle) of the circle marker 6. To determine the result of the above scan and the detection (line) command, start code 22 or stop code 23 Was it detected or not? (Xian step S333), in the case where the flag is detected, with the detection information identifying captive return.

On the other hand, when the mark is not detected, the value of the detection interval variable INCO when the mark is not detected is substituted into the standard interval detection variable INIT. The paper size applies to the Chinese National Standard (CNS) A4 specification (210X297mm) (Please read the precautions on the back before filling in this page) Order A7 _B7__ printed by the Consumer Consumer Cooperative of the Ministry of Economic Affairs of the Ministry of Economic Affairs 5. After the invention description (14) (step S334), call for scanning and inspection Issue (column) instruction (step fee [S332], and scan the image data of Bank Ο 6A of the frame marker 6 in the column direction to detect the start / stop code. Here, the scanning in the column direction refers to scanning in the short direction (the short side of the rectangle. Direction) of the marker 6 as shown in FIG. 8 as column scanning. Furthermore, to determine the result of the above scanning and detection (column) command, whether the start code 22 or stop code 23 has been detected, and whether the logo has been detected (step S335), when the logo has been detected, carry The information detected by the logo is returned. However, if the logo cannot be detected this time, it is necessary to determine whether the cause is caused by an angle error (step S336). This negotiated angle error is made with reference to the return value of the scan and detection command called in step S332 described above. That is, use the above scan and detection instructions to check sequentially whether an angle error is formed. If an error occurs, an angle error flag and a flag non-detection flag are established on the return value and interrupt processing returns. When it is judged that the angle is wrong, because only the row direction is processed again afterwards, by making the step S336 judge the return value of the scanning column direction, the conclusion is made that no mark is detected because the angle is wrong or the mark cannot be detected Judging that conclusion. When it is judged in this step S336 that it is not an angle error, the information of the belt-less detection is returned to β. On the other hand, when it is determined that it is an angle error, the label detection interval INC1 at the time of label detection is then substituted for the label detection The variable ΙΝΙΤ is used for the interval (step S337). Here, the size of the detection interval affected by INCO and INC1 is basically the least common multiple of the two expected beyond the scope of the screen, such as INCO = 23, INC1 = 170 The paper standard is applicable to the Chinese National Standard (CNS) A4 specification (21 〇Χ297mm) (Please read the precautions on the back before filling out this page) Order ^ 1 A7 B7 Printed by the Central Sample Falcon Bureau of the Ministry of Economic Affairs A5 B7. Invention Instructions (l5) After that, call Scan and Check Out again The (line) command (step S332) scans the image data of Bank Ο 6A of the frame marker 6 in the line direction to detect the start / stop code. Determine whether the start / stop code, that is, the negotiation has been detected (step S338), return with the information detected by the identification when it was detected, and carry the non-negotiation detection when the negotiation has not been detected Information returned. In this way, in this start / stop code detection command, the detection is first performed by scanning in the row direction, and if it cannot be obtained from this, it is obtained by scanning in the column direction. If it cannot be obtained from this, it is judged whether it is an angle error (that is, the logo is tilted too much). If it is wrong, the logo detection interval is changed and the scanning in the line direction is performed again. If it can't be detected in this way, it will be detected as unmarked. Here, only the line direction scanning is performed when the angle is wrong, because the barcode 2 generally uses line scanning, that is, the longitudinal direction is placed in the long direction (floor direction) like the circle frame marker 6 if you use this For human beings, the scanning in the column direction can be omitted. Of course, it is possible to scan in the column direction, but in this case, the execution speed will be reduced. Next, we will refer to the sequence charts shown in Figs. 11A to 11C to explain the scanning and detection commands called at the above step S332. The key to the processing of this command is to scan the data of Bank Ο 6A in the row direction or column direction according to the detection interval that changes due to various conditions, and determine at least one of the coordinate variables e and g and the coordinate variables f and h. The direction of scanning is determined when the command is called. When it can be determined that the coordinate changes to at least one of e, g, f and h, and no angle error occurs at this time, it is used as a command to return to the upper level as the detection flag. When the coordinate variables e and any combination of values of g, f and h cannot be detected, it returns to the upper-level command as a non-standard inspection. In addition, the size of this paper is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) --------- 7II 1_ (Please read the precautions on the back before filling in this page) Falcon Staff Consumer Cooperative Printed A7 _B7___ V. Description of invention (16) Even if it can be detected, but the angle of the logo calculated by its seat value is inclined more than 45 degrees relative to the scanning direction, it is also detected as no logo and Angle error returns to the upper order. That is, the parameter scan-inc is initially set to the detection interval variable INIT (step S3321), and then the parameter n is initially set to the above scan-inc (step S3322). The parameter scan-inc indicates the mark detection (scan) interval used in this instruction, and the parameter # indicates the line position where the detection (scan) processing is performed. Then, the start code detection variable number start-num and the stop code detection value variable stop-num are initially set to " 0 "(step S3323). After this initial setting, it is determined whether it is line scan or column scan (Step S3324), if it is line scanning, the image data of the nth row is taken (step face [S3325), if it is column scanning, the image data of the nth column is taken (step S3326, after that, the image taken in the above is judged If there is start 22 in the data (step S3327), if not, go to step S3332A. When the start code 22 exists, it is judged whether the start code 22 is the code detected at the start (step S3328). When it is the code detected at the beginning, the detected coordinates are stored in the coordinate variable e (Step S3329). In addition, when the code is not detected at the beginning, the detected coordinates are stored in the coordinates Change to g (step S332A). Whether it is the first detected code is determined by observing whether the value is stored in the coordinate variable e. Then, the start code is detected and the coordinate is stored in the start code. The start-nun of the array start-pos [] (the variable start-num ^ indicates the array S332B). Further, the increment start code detects the variable start-nuin (step S332C). Thus, the position coordinates of the start 1 detected by Lu Qian are all stored in the start code detection coordinate array start- p〇s [h whose number is stored in the start code detection variable start-num. In the same way, it is judged whether or not this paper size is included in the number of images taken in the above-mentioned. (2 丨 0X297mm) (Please read the precautions on the back before filling this page)

32G7i〇 A7 B7 5. Description of the invention (17) Stop code 23 (step S332D), if it does not exist, go to step S332J. When the stop code 23 exists, it is judged whether the stop code 23 is the first detected code (step S332E. When it is the first detected code, the detected coordinate is stored in the coordinate variable f (step S332F In addition, when it is not the code that was originally detected, the detected coordinate is stored in the coordinate variable h (step S32G). Here, whether it is the code that was originally detected is determined by observing whether it is in the coordinate variable f It is judged by the stored value. After that, the stop code detection coordinate is stored into the stop-num (the variable stop-num ^ value of the array of the stop code detection coordinate array st0p-pos [] to indicate the serial number of the array) (step S332H). Further, the incremental stop code detects the variable stop-num (step S332I>. Thus, the position coordinates of the stop codes that are successively detected are stored in the stop code detection coordinate array stop-poss [], which The number is stored in the stop code detection variable stop-num. Then, determine whether the coordinate variable e or f has been defined (memory (step S332J), if it has been defined, then go to step S332K, if not defined, then Go to step S332L. That is, if it has been defined, then judge the above scan Whether scan-inc is the detection interval variable INC1 at the time of identification detection, or whether the coordinate variables g and h are all defined (step S332K>. When it is not INC1 or when g and h are both defined, the scan interval is scanned -inc is set to the value of the above variable INC1 (step S332M), and in the case that is not the case, set (SCAN-INC) to 1 (step S332N). In addition, in the above step S332J the coordinate variable e or "is judged not to be In the case of definition, it is next determined whether the above scan interval scan-inc is for detecting the interval INIT variable (step S332L). In the case of INIT, the scan interval scan-inc is set to 1 (step S3320), but not so, set scan -inc is the value of the above INOIT (step S322P). In this way, from step S332J to step S332P, the method of changing the data acquisition interval is described. Its action is to scan the paper size when the coordinate changes e and f are not defined. Applicable to China National Standard (CNS) A4 specification (210X297mm) (please read the precautions on the back and then fill out this page). Order the Ministry of Economic Affairs Central Consumer Standardization Bureau employee consumer cooperatives. Printed and printed by the Ministry of Economy. Print A7 _____ 5. Description of the invention (is) The scanning interval scan-inc interactively retrieves the value between the interval variables INIT and 1. When the coordinate variables e and f are defined, until the coordinate variables g and h are both defined , The scan interval scan-inc interactively takes the value between the detection interval INC1 and 1 at the time of identification detection. In addition, when the coordinate variables e, f, g, h are defined, the scan interval scan-inc is the above Variable INC1. Di, the scan interval is from the start of the detection process to a start / stop code when a party is detected, interactively take a value between INIT (= INC〇, such as 23) and 1, and start code / stop After one side of the code is detected until the end of the screen, the value between INC1 (such as 17) and 1 is taken interactively. The reason for changing the detected line interval in this way is based on the following reasons. That is, if the detection line interval is set to be constant, there may be a situation where the detection angle of the mark that cannot be detected is determined by the minimum line width of the mark, the photographic magnification, and the pitch of the two-dimensional photographic unit. To avoid this situation, it is necessary to change the interval from the start of the detection process until one of the start / stop codes is detected. That's the case, even though the poster has been photographed, there is still no sign (missing). Therefore, although there is no way to miss it for the first time, in order to be able to detect it for the second time, it is necessary to change the increment INIT (= INC 0). In addition, when the coordinate variables e, f, g, and h are all defined, the reason why the scan interval scan-inc is set to INC1 is based on the fact that after all coordinates are obtained, no other new g, It is also possible to make the ratio higher, so that it is more important to end the process at a high speed. In addition, after obtaining the coordinates of the metal part, set the increment to INC1, which is usually followed by obtaining new g and h. Next, the value of scan-irmc is increased by 1 of parameter η to update η (step S332Q), and the number of rows or columns to be fetched next time is determined. Moreover, since the size of the vertical and horizontal strokes of the garden frame marker 6 is known, the size can be used to determine whether the updated η is outside the screen (step S332R). If it is inside the screen, the paper size Applicable to China National Standard (CNS) Α4 specifications (210X297 public love)------- ^ ------, order Ilf (please read the precautions on the back before filling in this page) A7 B7 printed by the Bureau Staff Consumer Cooperative V. Description of the invention (19) Transfer control to the above step S3324). If it is off-screen, the scan ends, then it is determined whether the coordinate variable g has been defined (step S332S), and when it is not defined, control is transferred to step S332Y. In the case where the coordinate size g is defined, the following is used to start with the billion. The code detects the coordinate array start-P〇S [], linear approximation (least squares approximation) start code start position, and uses this approximation Set e and g for the straight line again (step S332T). Also, using the start position of most start codes and then setting e and g, the start code can be estimated more accurately. Then, it is determined whether it is row scanning or column scanning (step S332U). Furthermore, when performing line scanning, the difference between the X coordinate value of the coordinate variable g and the X coordinate value of the coordinate variable e is divided by the difference between the y coordinate value of the coordinate variable g and the y coordinate value of the coordinate variable e, and The absolute value of the result value (this is referred to as "ABS " in the figure), and this value is substituted into the variable delta representing the absolute value of the tilt (step S332V). In addition, during the column scan, the y coordinate of g of the coordinate variable The difference between the value of the coordinate variable e and the value of the y coordinate is divided by the difference between the value of the X coordinate of the variable g and the value of the X coordinate of the coordinate variable e, and the absolute value of the resulting value is taken and substituted into Variable delta (step S332W). Furthermore, it is judged whether it is an angle error by judging whether the obtained absolute value of the tilt delta is greater than 1 (step S332X). In the case of an angle error, no mark detection and angle error are carried If the angle is not wrong, or if the above step 332N «determines that the coordinate variable g is not defined, then it is determined whether the seat kneading variable h has been defined (step S332YK transfers control to the step when it is not defined) S332ee When the coordinate variable h is defined, connect Detect the coordinate array stop-p〇S [] with a stop code that has been recorded in billions, a straight line approximates the start position of the stop code, and the paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please first (Read the notes on the back and fill in this page)

Printed by H Consumer Cooperative, a member of the Central Bureau of Economic Affairs of the Ministry of Economic Affairs. A7 ___B7_ V. Description of Invention (20) Using this approximate straight line, set f and h (step S332Z). In this residence, using the start position of most stop codes and then setting f and h can make the stop code estimation more accurate. Then, it is judged whether it is row scanning or column scanning (step S332a>. And at the time of row scanning, the difference between the X coordinate value of the coordinate variable h and the X coordinate value of the coordinate variable f is divided by the coordinate change to the y coordinate value and coordinate of h The difference between the y coordinate value of the variable f, take the absolute value of the resulting value, and substitute it into the absolute value of the tilt delta (step S332b). In addition, when it is a column scan, change the coordinate to the y coordinate value of Dong h The difference between the y coordinate value of the coordinate variable f is divided by the difference between the X coordinate value of the coordinate variable h and the X coordinate value of the coordinate variable f, and the absolute value of the resulting value is taken and substituted into delta (step S332C). By judging whether the obtained absolute value of the inclination delta is greater than 1 (step S332d), it is judged whether it is an angle error. In the case of an angle error, the information that the non-marker is detected and the angle error is returned is returned. When it is not an angle error, Or in the above step S332Y, when the coordinate variable h is judged as undefined, then connect the grate and judge that the coordinate variable g or h is that the moss has been defined (step S332e), and return with the detected information with the mark when it has been escaped, When not defined The detected information is returned. In this way, in the steps S332S to S332W or S332Y to S332C, the tilt of all logos is obtained by calculating the tilt of the start / stop code, and at step E S332X ^ S332d, it is judged Whether the absolute value of the inclination delta exceeds 1, if it exceeds 1, the control is returned as a no-mark detection due to an angle error. In addition, when the absolute value of the inclination deltas exceeds 1, the coordinate variable g or h is judged in step S332e Whether it is defined, when it is defined, it is used as a mark and has been detected and returned to control, and when it is not defined, it is used as a non-standard detection and return control. The paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please first (Read the notes on the back and fill in this page)

350710 Printed by the Consumer Labor Cooperative of the Central Sample Falcon Bureau of the Ministry of Economic Affairs A7 B7___ V. Description of the invention (21). The above steps S332X and S332d determine that the angle is wrong based on the following reason. That is, if a "missing" occurs in the extraction direction that should be detected, it is extremely unlikely that it will be detected in another direction. At this time, an error occurs in the subsequent processing, so such detection cannot be performed. In addition, the reason why the angle is wrong is 1 because the delta value is 1 when the rotation angle is 45 degrees. In addition, the reason for resetting the coordinate values in steps S332T and S332Z is that the code coordinates may not necessarily be accurately detected due to the printing accuracy of the logo or the resolution capability of the photography system. In the case where the above-mentioned error causes have an influence on the detected coordinates (e, g, or f, h), the detected coordinates can be corrected with higher accuracy by least square approximation. Next, the start edge position detection instruction called at step S36 in the above-mentioned mark detection instruction will be described with reference to the flowchart of U12. Then, first, after the ON start detection flag start-flsg (step fee f S361), define the equation of the straight line parallel to the line segment e-g, for example, find the equation y = ax + b of the line segment e-g (step S362). After weighing, the large strip 22A starts to define the intercept 6 as if the straight line crosses (step S363). The structure of the start code 22 is, for example, a start large strip composed of 8-valued strips. 22 D 3 pairs of white strips and black strips, 3 white strips, a total of 17 strips, and set the result of photographing the code It is N pixels. In addition, the straight line represented by the equation y-aX + b moves the intercept in parallel as known. Therefore, in order to obtain a straight line that cuts off the large strip 22A, if the above line segment eg is moved to the left by approximately [(1-8 / 2 ^ 17] XN-value pixels, the intercept is about 6 °. If this is done, the beginning of the cross cut can be obtained Large strip 22A & 5 straight line, then set the intersection of the straight line and the equation that defines the screen as A, A '(refer to Figure 8) This paper scale applies the Chinese National Standard (CNS) A4 specification (210X297mm) ( (Please read the notes on the back before filling this page)

A 7 B7 Printed by the Consumer Consultation Cooperative of the Kazakhstan Falcon Bureau of the Ministry of Economic Affairs V. Description of invention (22), and then draw the vertical line from the midpoint of coordinates e, g to line A-A'f and define its intersection as As (step S364 ). Then, the data is sequentially examined on the straight line A-A 'from the point 6 to the direction A (step S365), and the presence or absence of the edge is checked (step S366). This inspection can be carried out using devices such as intensity comparison, differential method, and second withdrawal method to observe changes in luminance. If the edge is detected in this way, the detected coordinate is stored in the coordinate variable i (step S367). This sets the detected coordinate to point i. Next, the data is sequentially examined on the straight nickel A-A 'from point As to point V this time (step S368), and it is checked whether an edge exists (step S369). If the edge is detected in this way, the detected coordinates are stored in the dwelling acceptance m (step S36A). This sets the detected coordinate to point m. Furthermore, on the straight line passing through the points e, g represented by the coordinate variables e, g, a vertical line is drawn from the sticky i represented by the coordinate displacement i, and the coherent coordinates are stored in the coordinate variable a (step S36B ). That is, the equation of the straight line orthogonal to the straight line A-A * passing the point i is summed, and the intersection of the straight line and the straight line passing the points e and g is obtained, and the intersection is set to a. Similarly, draw a vertical line from the sticky m represented by the coordinate variable W on the straight line passing through the points e and g represented by the coordinate variables e and g, and store the coordinate sample of the intersection point in the coordinate variable d (step S36C). , Find the equation of a straight line orthogonal to the straight line AA 'of the crossing point m, and find the intersection point of this straight line and the straight line crossing the points e and g, and let this intersection point be the point d. Furthermore, after storing the value of the coordinate variable a thus obtained in the coordinate variable TOP, or the value of the coordinate acceptance d in the coordinate variable BOTTOM ^ (step S36D), control is returned to the upper-level command. In addition, the stop edge green position detection instruction called in step S38 in the above-mentioned mark detection instruction is also carried out in substantially the same manner as the start edge position detection instruction. This paper is applicable to the Chinese National Standard (CNS) A Gut grid (210X297 () Please read the precautions on the back before filling in this page) Order " A7 B7 Printed by the Consumer Consumer Cooperative of the Central Prototype Bureau of the Ministry of Economic Affairs V. Description of the invention (23). 13 is a flowchart of a stop edge position detection instruction. That is, after the ON stop detection flag stop-flag (step S381), an equation of a straight line parallel to the line segment f-h is defined, for example, the equation y = ax + b of the line segment f-h is obtained (step S382). Then, if the straight line traverses and stops the large strip 23A, define the distance b (step S383>, if this is done, a straight line that traverses and stops the large strip 23A can be obtained, then set the straight line and the equation defining the screen respectively The intersection point is B, BM refers to 8h and then draws a vertical line from the midpoint of coordinate ridge h to a straight line B-B 'and defines its intersection as Bs (step S384). And on this line BB * from point Bs to point Observe the data sequentially in the B direction (step S385), and check whether the edge exists (step S386). If the edge is detected in this way, the detected coordinate is stored in the coordinate variable j (step S387). The detected coordinate is set to j Then this time, observe the data sequentially from the point Bs to the point B 'on the straight line BB ^ (step S388), and check whether the edge green exists (step S389). If the edge is detected in this way, the detected coordinates are stored in the coordinates Variable k (step S38A). The detected coordinate is set to point K. Furthermore, a straight line passing through the points f, h indicated by the coordinate changes df, h is drawn from the sticky j indicated by the coordinate variable j, and The coordinates of the intersection point are stored in the coordinate variable 1> (step S38B). The equation of the straight line B-B1 intersecting the straight line of j and finding the intersection point of the straight line and the straight line passing through the points f and h, and making the intersection point as point b. Similarly, the viscosity expressed by the coordinate variables f and g On the straight line of f and h, draw a vertical line from the point k indicated by the variable ϋ variable variable ?, and store the coordinates of its intersection point in the coordinate variable C (step S38C). The equation of the orthogonal straight line, and find the intersection point of the straight line and the straight line passing through the points f and h, and set the intersection point to be sticky C. The paper size is generally in accordance with China National Standard (CNS) A4 specification (210X297mm)- --------- II (Please read the precautions on the back before filling in this page) Order A7 B7 printed by the Ministry of Economic Affairs of the Ministry of Economic Affairs of the Ministry of Economic Affairs, Employee Expenditure Cooperation Co., Ltd. 5. Description of invention (24) After storing the value of the coordinate variable b thus obtained in the coordinate variable TOP, or the value of the coordinate variable C in the coordinate variable BOTTOM (step S38D), return control to the upper-level instruction. Next, refer to the flowchart of circle 14 And the explanatory diagram of seeking the inclination of the mark during line scanning in FIG. 9 illustrates what is called in step S3E in the above mark detection instruction The instruction of the tilt of the mark. Here, FIG. 9 shows an example of the bar code mark having a 4X1 mark matrix (so the number of codes is " 4 >, and the start code 22 is selected as the reference in line scanning. That is, first determine whether it is a row scan (step S3E1), if it is a row scan, transfer control to step S3E2), and when it is a column scan, transfer control to step S3E4. In the row scan, first set the frame variable BOTTOM The X coordinate value is divided by the difference between the y coordinate value of the coordinate variable BOTTOM and the y coordinate value of the coordinate variable TOP. In addition, the X coordinate value of the coordinate variable TOP is divided by the y coordinate value of the coordinate variable BOTTOM and the coordinate variable TOP The difference of the y-coordinate value of, and the difference between these two quotients is stored in the tilt variable SLOPE (step S3E2). Next, the result of multiplying the coordinate variable BOTTOM's y coordinate and the coordinate variable TOP's X coordinate by the difference between the coordinate variable BOTTOM's y coordinate value and the _ coordinate variable TOP's y coordinate value, in addition, the coordinate variable The result of multiplying the X coordinate of BOTTOM and the y coordinate of the coordinate variable TOP is divided by the difference of the y coordinate value of the coordinate variable BOTTOM minus the y coordinate value of the coordinate variable TOP, and the difference between these two quotients is stored in the intercept The variable intercep (step S3E3). The asterisk (*) attached to the figure means the multiplication operator " X ". In addition, during column scanning, first divide the nl scale value of the coordinate variable BOTTOM by the difference between the X coordinate value of the coordinate variable BOTTOM and the X coordinate value of the coordinate variable TOP, and also divide the y coordinate value of the coordinate variable TOP by The difference between the X coordinate value of the coordinate variable BOTTOM minus the X coordinate value of the coordinate variable TOP, and the two-pitch paper scale is applied to the Chinese National Standard (CNS) A4 specification (210 X297 mm) — _----- --- II (Please read the precautions on the back before filling in this page) Order A7 32G710 __B7__ V. Description of the invention (25) (please read the precautions on the back before filling in this page) The difference of the merchant is deposited into SLOPE (Step S3E4). Then, the result of multiplying the X coordinate of the coordinate variable BOTTOM and the X coordinate of the coordinate variable TOP is divided by the difference between the X coordinate of the coordinate variable BOTTOM minus the X coordinate value of the coordinate variable TOP, and the coordinate is also changed. The result of multiplying the y-coordinate of BOTTOM and the y-coordinate of the coordinate variable TOP is to subtract the difference of the X-coordinate value of the coordinate variable TOP from the X-coordinate value of the coordinate shift BOTTOM, and store the difference between these two quotients Enter the intercept variable intersscept (step S3E5). Next, the hand tremor detection instruction called at the above step S5 will be described with reference to the flowchart of FIG. That is, this is to set the processing target image to Bank 1 6B of the frame memory 6 (step S51), and check whether the start-flag of the hand shake detection flag is ON (step S53), and if it is ON Call the start code verification instruction (step S54) to verify the start code 22. If it is OFF (invalid), the stop code verification command is called (step S55), and the stop code 23 is verified. Then, the result of this check is judged by judging whether the check mark for hand tremor detection is ON (Step S56). If this result, that the hand tremor detection flag check is ON, the information with no hand tremor is returned, and if it is OFF, the information with the hand tremor is returned. The Ministry of Economic Affairs, Central Bureau of Economic and Social Affairs, Beigong Consumer Relief Cooperative Inai. Next, referring to the flowcharts of FIGS. 16A and 16B, the start code verification command called at step S54 in the above-mentioned hand tremor detection command will be described. The coordinates indicated by ", " in the letter indicate the position detected by the image 1 (Bank 16B). If it is assumed that the coordinate detection e of the called DM in the above step S3 is used to find the coordinate e, this is the coordinate of the start code 22 that was initially found in the circle image 0 (Bank 0 6A). On the other hand, the coordinate e 'is the -coordinate obtained by scanning the image l (Bank 1 6B>) with the same conditions (scanning direction or scanning position) as the finding of the above coordinate e. Also, when the image is When there is no movement between the logos in image 1, the paper standard of China's national standard (CNS) A4 (210X297mm) is printed. The A7 B7 is printed by the Beigong Consumer Cooperative of the Central Standard Rating Bureau of the Ministry of Economic Affairs. 5. Description of the invention (26) These coordinates e and e 'should be the same coordinate. If there is no AREA value of hand tremor error range, such as 2, then if the coordinate e deviates within ± 1 Myanmar pixel in the X and y directions between the images, then it is judged There is no image movement. Also, first determine whether it is line scan (step S541), when it is line scan, enter step S542, and when it is column scan, transfer control to step S548. When line scan, first The data of the line represented by the y coordinate value of the coordinate variable e detected in Bank Ο 6A is taken from Bank 16B (step S542), and it is judged whether the start code 22 is detected (step S543). If it is not detected, it will carry the message of hand tremor detection flag verification = 0FF and return to the upper order. When the start code 22 has been detected, after storing its detected coordinates in the coordinate variable e '(step S544), this time fetch the y coordinate value of the coordinate variable g detected in Bank Ο 6A from Bank 16B From the data of the indicated line (step S545), it is judged that the start code 22 is detected and the apricot (step S546). If it is not detected, it will carry the message of hand check detection flag verification = 0FF and return to the upper order. When the start code 22 has been detected, after storing the detected coordinates in the coordinate variable ^ (step S547), it proceeds to step S54E. On the other hand, at the time of column scanning, first, the data of the row indicated by the value of the X coordinate of the coordinate variable 6 detected in Bank Ο 6A is taken from Bank 16B (step S548), and it is judged whether the start code 22 is detected (Step S549). If it is not detected, it will carry the information of hand tremor detection flag verification = 0FF and return to the upper order. When the start code 22 is detected, the detected coordinates are stored in the coordinate variable e, and then (step S54A), this time iBank 16B takes the line represented by the value of the X coordinate of the coordinate variable g detected by BankO 6A Data (S54B), and judge whether the start code 22 is detected (step S54C). If it is not detected, it will carry the message of hand check mark check = 0FF and return to the upper order. At the beginning of this paper scale, the Chinese National Standard (CNS) A4 specification (210X297 mm) II! ---- ^ / 1 — (please read the precautions on the back before filling this page) Order A7 _ B7__ V. Description of invention (27) When the code 22 is detected, the detected coordinates are stored in the coordinate variable gM (step S54D). Furthermore, the absolute value of the difference between the coordinate variables e and e 'and the absolute value of the difference between the coordinate variables g and g' are taken to determine whether the absolute value of the two is within the hand error range AREAJM (step S54E). If it is not within the AREAJ ^ error range, then carry the hand tremor detection flag check = 0FF and return to the upper order. In this way, from step S541 to step S54E described above, it is determined whether or not the seat samples e and g detected in Bank Ο 6A are within the allowable error in Bank 16B. If it is judged that it is within the allowable error, then, an equation of a straight line parallel to the line segment e'-g 'is defined, for example, the equation y = ax + b of the line segment e'-g> is obtained (step S54F). Then, define the intercept b as if the straight line traverses the starting large strip 22A (step S54G). If so, the straight line that traverses the starting large strip 22A can be obtained. Then, the straight line and the equation that defines the entire surface The cross sticks are set to A, A, and then the vertical line is drawn from the midpoint of coordinates e ', g' to the straight line A-A ', and the intersection point is defined as As (Step Huan S54H). After that, the parameter data is sequentially viewed on the straight line A-A 'from the point As to the A direction (step S54I), and it is checked whether an edge exists (step S54J). If the edge is detected in this way, the detected coordinate is stored in the coordinate variable i '(step S54K). That is, the detected coordinate is set to point i'. Printed by the Beigong Consumer Cooperatives, Central Bureau of Economics, Ministry of Economic Affairs- ---------- (Please read the precautions on the back before filling in this page) Next, observe the data sequentially from point As to point A * on this straight line A-A '(step fee SS54L ), Check whether the edge is present (step S54M). If the edge is detected in this way, the detected coordinate is stored in the zigzag Sm * (step S54N). The detected coordinate is set to point m '.

Furthermore, take the absolute value of the difference between the values of the frame variable i and i and the absolute value of the difference between the coordinates of the set port W, and determine whether the absolute value of the two is within the handshaking error range AREAJK (step thinking S540). If it is not a hand-shake error, the country ’s AREA, the paper scale is applicable to the Chinese National Standard (CNS) A4 grid (210X297 mm) ~~ 320710 A7 B7 V. Description of invention (28) Printed by the Employee Consumer Cooperative of the Ministry of Economic Affairs of the Ministry of Economic Affairs Within the limit, the message of hand tremor detection flag check = 0FF is returned to the upper order. On the other hand, if the error is within the range of AREA ^, the broadcasted message will be returned to the upper-level command. In this way, from the above step S54F? (| Step S540, it is judged whether the coordinates i and m detected in Bank Ο 6A are within the allowable error in Bank 1 6B. And, when all are allowed Fan Fanshi, set the hand-tremor detection flag check to ON and return to control, but if any one is outside the allowable range, set the hand-tremble detection Sassafras check to OFF and return to control. Next, refer to Figure 17A The flowchart of FIG. 17B illustrates the stop code verification command called at step S55 in the above-mentioned face detection command. The stop code verification command is substantially the same as the start code verification command in the previous example. That is, first Determine whether it is line scan (step SKS551), proceed to step S552 during line scan, and transfer control to step S558 during column scan. In the case of line scan, first input from Bank 16 to Bank 0 6A The data of the line indicated by the value of the y coordinate of the detected coordinate variable f (step S552 >, and it is determined whether the stop code 23 is detected (step fee S553). If it is not detected, the portable tremor is detected Flag check = 〇FF information returns to the upper order. And when stop code 23 At the time of detection, after storing the detected coordinates in the frame variable f, then (step S554), this time it is taken from Bank 1 6B and represented by the y coordinate value of the coordinate variable h detected in Bank 0 6A Line data (step S555), and determine whether the stop code 23 is detected or not (step fee (S556). If it is not detected, then take the hand-held hand detection flag check = 0FF information to return to the upper order When the stop code 23 is detected, the detected coordinates are stored in the coordinate variable h '(step S557), and then step S55E is entered. On the other hand, during column scanning, the first access is from Bank 1 6B. Bank 0 6A detected coordinates are changed to the line data indicated by the X coordinate value of f (step (please read the precautions on the back before filling in this page). The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 Cli) A7 _B7_ printed by the employees ’cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of the invention (29) Step S558), and judge whether the stop code 23 is detected or not (Step S559). If it is not detected, carry a hand The message with the flag detection flag = FF returned to the upper order. When the stop code 23 has been detected After storing the detected coordinates in the coordinate variable f '(step S55A), this time fetch the data of the row indicated by the X coordinate value of the coordinate variable h detected in Bank Ο 6A from Bank 1 6B (step S55B >, And judge whether the stop code 23 is detected or not (step S55C). If it is not detected, the information with the hand tag detection flag verification = 0FF is returned to the upper order. And when the stop code 23 has been detected , Then the detected coordinates are stored in the coordinate variable h, (step S55D). Furthermore, the absolute value of the difference between the values of the coordinate variables f and f and the absolute value of the difference between the values of the coordinate acceptors h and h 'are determined, and it is determined whether the absolute value of the two is within the range of error AREA (step S55E) . If it is not within the AREA of hand tremor error, it will carry the information of hand tremor detection Sassafras Verification = 0FF and return to the upper order. In this way, if it is judged that it is within the allowable error, then define the equation of the straight line of parallel line segments f ~ h, for example, find the equation y = ax + b of line segments f ~ M (Step Huan S55F). Then, if the straight line traverses to stop the large strip 23A, the intercept b is defined (step S55G). If you can do this to get a straight line that crosses and stops the large strip 23A, then, set the intersection of the straight line and the equation that defines the screen as B and B ', and then draw a vertical line from the midpoint of coordinates f' and h 'to Straight line BB \ and define its intersection point as Bs (step S55H>. Then, sequentially observe the data on this straight line B-B> from point Bs to point B (step parent S55I) to check the presence or absence of the edge (step S55J ). To do so, if the edge has been detected, store the detected coordinates in the L variable j (step S55K). Also, set the detected coordinates to point J '. Then, the next time is on this straight line Observe the data in sequence from point Bs to point V on B-B '(step S55L), check whether the edge green exists (step S55M) This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) i-- ---- ^ 11, (please read the precautions on the back before filling in this page) Order A7 £ 7_ V. Description of invention (3〇). If you do so, if the edge has been picked up, the coordinates of its detection will be saved Coordinate variable K '(step S55N). That is, set the detected coordinate to point K, and then take coordinate variable j "The absolute value of the difference between the value of ^ and the absolute value of the difference between the value of the zigzag variable and k ', and determine whether the absolute value of the two is within the hand shake error range AREA (step S550). If it is not a hand Within the AREA error range, portable information with hand tremor detection flag verification = 0FF is returned to the upper order. In addition, if it is within the AREA error range, the broadcast hand check detection sample verification = 0N The information returns to the upper order. Next, the limit determination command called at the above step S7 will be described with reference to the flowchart in FIG. 18 and the limit calculation explanation in FIG. 19 and FIG. 20. First, the start detection flag start- Whether flag is ON, that is, whether the flag detection instruction called in the above step S3 is selected as the processing target is the start code 22 or the stop code 23 (step 71>. When it is the start code 22, the value of point e is substituted At point p (step S72), when the stop code 23 is entered, the value of point f is substituted into point P (step S73). That is, the starting point coordinates of the data sequence required to determine the limit value are stored in the coordinate variable P. Thus, For example, at the start code 22, as shown in FIG. 19, the coordinates of the start point can be determined Printed by the Consumer Labor Cooperative of the Central Bureau of Samples of the Ministry of Economic Affairs (please read the precautions on the back before filling in this page). Then, determine whether it is line scanning (step fee (S74). In the case of line scanning, transfer processing to the step S75. In addition, during the column scan, the process shifts to step S79. That is, at step [S74, line scan decoding, 'that is, let it judge whether to find the coordinate variable e, f, g, h processing In the direction, the process from step S75 to step S78 is performed for row scanning, and the process from step S79 to step S7C is performed for column scanning. That is, at the time of line scanning, the line indicated by the value of the y coordinate of the coordinate variable P from the Bank 0 6 of the frame marker 6 is entered, that is, the data shown in the figure 19 is taken into the line data (step S75 ) ,. The start code 22 or stop codebook paper size is applicable to the Chinese National Standard (CNS) A4 grid (210X297mm) Printed 320710 ΑΊ Β7 by the Consumer Consumer Cooperative of the Central Bureau of Samples of the Ministry of Economy V. Description of invention (31) The end χ coordinate of 23 is a point (a coordinate of 3 (step S76). Further, the data from point ρ to point < 3 (step S77) is further analyzed. Thus, as in the case where the data of FIG. 19 is taken into a row, Find the split waveform of the start code 22 as shown in Fig. 20. The absolute value of the peak value of the third bit of this split data is set to the variable MAX (step S78). On the other hand, during column scan, from In the figure, Bank 0 6A® of the billion device 6 is entered into the row data represented by the value of the X coordinate of the coordinate variable P (step S79), and the end y coordinate of the start code 22 or the stop code 23 is the y of the point q Coordinates (step S7A). Furthermore, the data from point p to q is thoroughly divided (step S7B). The absolute value of the peak value of the third digit is set to the variable MAX (step S7C). Here, the reason for looking at the third digit of the differential data is because theoretically it is desired to have the lowest contrast in the barcode area (ie, the lowest peak value of the edge) The limit is determined by the place. Therefore, it is the practice to choose the third edge of the start or stop code as the narrowest strip and blank space of the mark. This can achieve the stable decoding and decoding conditions that are not determined by the mark size or mark. , The value of the variable MAX thus obtained is divided by the ratio constant THRESHOLD-RATIO of the relative peak value, and the result is substituted for the limit variable THRESHOLD (step S7D). That is, the assumed limit is obtained from the obtained data. The constant THREXHOLD -RATIO is a value indicating that a fraction of the selected value is a good value, and is usually set to 2 or 3.

Then, it is judged whether the value of the limit THREASHOLD thus assumed is both larger than the minimum limit constant THRESHOLD-SMALL (step S7E) and smaller than the maximum limit constant THRESHOLD-BIG (step S7F). Also, judge whether the hard value obtained under the assumption is within the desirable range of the limit. When the maximum value represented by the constant THRESHOLD-BIG is exceeded, when the maximum value represented by the constant THRESHOLD-BIG is substituted into the limit variable THRESHOLD, that is, the limit value is set to the maximum value (step S7H). In addition, under the condition of using the constant THRESHOLD, the paper scale is applicable to the Chinese National Standard (CNS) A4 (210X297mm) --------- ^ ------ ΪΤ ------ 1 — (Please read the precautions on the back before filling in this page) A7 _ B7___ printed by employees ’consumption cooperation of the Central Sample Bureau of the Ministry of Economic Affairs V. Invention Description (32)-When the minimum value indicated by -SMALL, put the constant TRESHOLD- The minimum value indicated by SMALL is substituted into the limit variable THRESHOLD, that is, the limit value is set to the minimum value. Next, the pointer information determination command called in the above step S8 will be described with reference to the flowchart of FIG. 21 and the projection image to the frame marker 6 of FIG. Picture 22 shown here is an example of a bar code with a 4X 1 mark matrix (so the number of codes is "4" > in the line scan, the start code 22 is selected as the reference. That is, it is first used as a read line indicator The starting point of the reference coordinate required for the information, the value of the top coordinate TOP that is recognized is stored in the coordinate variable WORK (step S81). Then the coordinate variable WORK has been defined and has the tilt indicated by the identified tilt variable SLOPE Value line 1 (step S82), and define the points W1, W2 where the straight line 1 intersects the picture frame (step S83). Then, the data of the image on the line segments W1-W2 is taken in (step S84), and the The line indicator information (step S85). Here, the reading of the line indicator information is exemplified as follows. The circle image data on the target line fetched in the above step S84 is detected from the black and white pixel values Change the wide information at the edge. Furthermore, the start code 22 is detected from the wide information. Since the next code of the start code 22 is known as the line indicator 21A, it is read in. Also, the detection stops Code 23, because I also know that the previous code of the stop code 23 is the line indicator 21A, so it is also read in. In this way, if the line indicator 21A has been read, then compare it with the bar code table shown in the figure, convert the consistent part into a code, and convert it into the number of lines , Column number, security level and other information. Here, there is a device for converting to wide information. For example, a command to convert to wide information can also be performed by calling an instruction. Then, the check is to determine the pointer information (step ® S86>, if the paper size is determined to use the Chinese National Standard (CNS) A4 specification (210X297mm) (please read the precautions on the back before filling this page). A7 B7 5.'Description of the invention (33) Then transfer control to step S8E. If there is no determination, transfer control to step S87. The so-called determination here refers to reading the line indicator 21A several times to make the information reliable The situation at the time of improvement. For example, if the information written on the line indicator 21A (number of rows, number of columns, safety level) is read 10 times and the same information is obtained 10 times, it is considered as determined. Row When the indicator information is not determined, the connection check is to perform line scanning (step S87), transfer control to step S88 during line scanning, and transfer control to step S8B during column scanning. That is, to coordinate The value of the variable WORKW y coordinate is added to the specified increment L-INC, and the result is substituted as the new coordinate-like variable WOR coffee y coordinate value (step S88). In addition, multiply the value of the marked slope variable Dong SLOPE by The value of the y coordinate of the coordinate variable WORK is added to the intercept value of the identified intercept variable, and the result is substituted as the X coordinate value of the new coordinate displacement WORK (step S89). In this way, the reference coordinates required for the new scan are set to the coordinate transformation WORK. And determine whether the re-set coordinate variable WOR coffee y coordinate value exceeds the base sassafras of the logo is set to BOTTOM's y coordinate value, that is, whether it is in the logo plaque field (step S8A>, if it is in the sassafras area, then The previous step S82 is repeated, and the undefined information of the matrix is returned to the upper level command when it is out of the hidden area. The same is true for the column scan, and the specified increment L is added to the value of the coordinate change WORK69 X coordinate -INC, substitute the result as the new coordinate value of WORKfi9 X coordinate (step fee S8B). In addition, multiply the value of the coordinate sample variable WORK® X coordinate by the value of the slope variable SLOPE of the sample recognition, and then in the result Add the proposed intercept variable variable intercept, and substitute this result as the y-frame value of the new frame change boy WORK (step parent S8C). In this way, set the reference coordinates required for the new scan to Coordinate change to WORK, and judge the paper size of this re-set coordinate change to be in accordance with Chinese National Standard (CNS) A4 specification (210X297mm) (please read the precautions on the back before filling in this page). Bureau employee consumer cooperatives printed A7 B7 5. Description of the invention (34) Whether the y-coordinate value of the quantity WORK exceeds the y-coordinate value of the marked base variable BOTTOM, that is, whether it is in the squinting area (step S8D). If it is in the marking area, follow the above steps S82 starts to repeat the process, if it is outside the marked area, it will carry the undefined information of the matrix and return to the upper order. On the other hand, in the above step S86, when it is determined that the line indicator 21A is determined, according to the line indicator information The obtained security level calculates the repairable code number, which is stored in REST-NUM (step S8E). The number of identified lines obtained from the row indicator information is then stored in the proposed line number variable ROW-NUMBER (Step S8F). In addition, the number of columns recognized can be extracted from the row indicator information and stored in the identified column number variable COLUMN-NUMBER (step S8G). After that, the information that the broadcast matrix has been defined is returned to the upper layer. Instructions. Next, referring to the flowcharts of FIGS. 23A and 23B and the projected image diagram of the billion-counter device in FIG. 24, the scan equation determination instruction called in the step SA will be described. An example of the case where the start code 22 is selected as the reference in the line scan of the 4X 1 sample recognition matrix (so the number of codes is "4"). That is, the variable counter is first initialized to 0 (step SA1), and then the reference The coordinate variable WORK is initialized to the value of the identified top coordinate variable TOP (step SA2). Then, it is determined whether it is row scan or column scan (step fee [SA3]. In the case of row scan, the y coordinate value of the identified base coordinate variable BOTTOM The difference in the y-coordinate value of the top coordinate variable TOP, which is recognized by the public, is substituted into the variable count-end (Step-by-step SA4>). This Di finds the number of patterns to be determined (the number of pixels in the column direction of the logo in Figure 24) and stores it in the variable ccunt-end. That is to say, the number of chess patterns read is all the numbers needed to scan the logo. Similarly, in the case of column scanning, the difference between the X coordinate value of the proposed base coordinate variable BOTTOM and the X coordinate value of the top coordinate variable TOP of the logo is substituted into the variable. This paper scale is applicable to the Chinese National Standard (CNS) A4 Specifications (2 〖0X297mm) (Please read the notes on the back before filling this page)

A7 B7 printed by the Employee Consumer Cooperative of the Central Prototype Bureau of the Ministry of Economy V. Description of invention (35) count-end (step SA5). Then, judge again whether it is row scan or column scan (step SA6); when it is row scan, add the value of the variable counter to the y coordinate value of the top coordinate variable TOP of the logo, and use the result as the reference coordinate variable WORKK y The coordinate value is substituted (step SA7). In addition, multiply the y-coordinate value of the reference coordinate variable WORK by the value of the identified tilt variable SLOPE, and add the identified intercept variable intercept to the result, and use the result as the new reference coordinate variable WOR Coffee X coordinate value Substitute (step SA8). In this way, as the value of the variable counter increases, the reference coordinate variable WORK is set. The column scan also adds the value of the variable counter · to the X coordinate value of the identified top coordinate variable TOP, and uses the result as the X coordinate value of the reference coordinate variable WORK (step SA9). In addition, multiply the X coordinate value of the reference coordinate variable WORK by the value of the identified tilt variable SLOPE, and add the identified intercept variable intercept to the result, and use the result as the y coordinate value of the new reference coordinate variable WORK Substitute (step SAA). After that, the redefined coordinate variable WORK has been defined, and it has a sloped straight line 1 represented by the marked slope variable SLOPE (step SAB), find the two points where the straight line 1 intersects the screen frame, and then separate them Store the value of the coordinate variable DIM-POINT-P and DIM-POINT-Q in the counter bit (the serial number of the value represented by the variable counter value) (step SAC}. Thereafter, the increment variable is counted straight (step SAD), and Check if the re-set variable counter value as the result reaches the necessary number, that is, the variable counter-end is reached (step SAE). When the necessary number is not reached, the control is returned to the above step SA6, if the necessary data is reached, then Transfer control to step SAF. Through the above actions, you can define the starting point and ending arrangement required for the sequential scanning and negotiation. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ( Please read the precautions on the back before filling in this page) Order A7 32〇7l〇B7 V. Description of invention (36) Then, initialize the variable counter to 0 again (step SAF). And, by multiplying the value of the variable counter The value of the marked tilt variable SLOPE, calculate the increment caused by the position of the calculated tilted SLUPE, and save the calculation result at the specified position of the variable array LINE-INC (the position of _ represented by the variable counter) ; (Step SAG). After incrementing the variable counter (step SAH), check if the variable counter that has been reset reaches the maximum size constant MAX-NUM of the array (step SAI). If not, transfer control Go to the above step SAG, and when it reaches, return the control to the upper order. Through the loop from this step SAF to step SAI, you can get the time to take a line of identification information and tilt mode. The maximum size constant of the above array MAX-NUM, It indicates the size of the variable determined during programming, for example, if it is assumed that the size of the frame marker 6 is 640X 4480 pixels, it is set to about 1000. Next, refer to the flowchart of FIG. 25 and the fourth of the 26 The frame of the projected image of the 100 million device is described in the supplementary check command of the above-mentioned BB SB call. Figure 26 shows a bar with a 4X 3 identification matrix (so the number of codes is " 12 ") Code negotiation, an example when the start code 22 is selected as the reference in the line scan. In addition, the determination of the data of each code of the standardization matrix is called " Supplement ", and the so-called " Supplementary Check " is one side Define the supplementary mode and check if it is decoded. That is, this command is to estimate the coordinate position of each code identified and to determine whether the repairable commission code exceeds the screen based on the information of the estimated coordinate position. instruction. That is, the ROW detection instruction (step SB1), when scanning the proposal, detects various information (line number, code length, line number, and detection position) found in the first and last lines found and stores them separately Change Dong ROW-FIRT, ROW-LAST. The size of this paper is applicable to the Chinese National Standard (CNS) A4 (210X297mm) (please read the notes on the back before filling in this page). Order the Ministry of Economic Affairs Central Bureau of Accreditation Consumer Cooperative Printed by the Ministry of Economic Affairs Central Standard Falcon Bureau Industrial and consumer cooperation Du Yin S. A7 _B7__ V. Description of invention (37) Then, check whether the change of ROW-FIRST and ROW-LAST has been determined (step fee i SB2), if it has been determined, it is considered that decoding is impossible Control moves to the upper order. If the variable R〇W-FIRSTfD ROW-LAST is determined to be determined, then, calculate and estimate the leading position coordinates of each code of the code matrix, and the two-dimensional array variable CODE-POS stores the row number and column of the code, respectively The serial number of the serial number (step SB3). The leading coordinate position of each code can be estimated as follows, for example. That is, first, the position of each line indicator 21A must be detected. For this purpose, from the row number of the variable ROW-FIRST and its detection position, the row number of the ROW-LAST and its detection position are changed, and then from the ROW-NUMBER of the matrix size, usually only interpolation is used in the figure The position of the four-point coordinate indicated by the leading symbol "0" of the line indicator 21A in the direction of the start code 22 in 26. Then, from its four points to the column direction extending toward the stop code 23, the starting point starts from the position of the row indicator 21A, using the marked inclination SLOPE and the marked indica to rotate 90 degrees inclination, and then the code length Calculate it again and again, press CODE-POS [〇] [〇], C0DE-P0S [0] [1], CODE-POS ([0] [2]. In addition, it is also possible to use the combination of the marked tilt (SLOPE) appropriately, the detected row number, code length, row number, detected position and matrix size (ROW-NUMBERX COLUMM-NOMBER ) To estimate the necessary content in the message. Then, the number of codes in the block estimated in the above steps overflows to the out-of-plane value, and store the variable error-mum (step, B4>. This overflow, In each code, whether the first coordinate of each code itself and the first coordinate of the next code are relative to the decoding direction (column direction) to judge the newness, the code overflowing out of the screen may not be decodable In the example of Figure 26, (the line number of this paper size is applicable to the country of China Standard (CNS) A4 specification (210X297mm) I — I II ---- ^ II (please read the notes on the back before filling this page) Ordered by the Ministry of Economy Central Bureau of Standardization Staff Consumer Cooperative Printed ^ 20710 A7 _ B7__ Fifth, the description of the invention (38), column number) = (〇, 2), (1,2), (2, 2), (3, 1), (3, 2 > these 5 values are judged as the screen In addition, "5" is stored in the variable error-mun. Furthermore, the variable REST-NUM (step SB5) of the repairable code number obtained in step S8E ^ of the above error-mumlU is compared, if error-num is REST-NUM Below, because the error correction can be decoded through P, it is possible to return control to the upper-layer instruction as decoding. 3-face, when REST-NUM is started from error-nun, it is absolutely impossible to decode, so it is impossible to return control to decoding as Upper-level instruction. With this supplementary instruction, the position of each code can be estimated. In addition, since the number of codes estimated to be off-screen can be counted, it is possible to determine whether decoding is possible at this stage. Thus, although long-term processing is performed, Still let the worst mode that cannot be decoded be reduced quickly. Below We refer to the flow chart of circle 27 and the image of the projected image to the frame marker 6 of 24, while explaining the ROW detection command called by the SBI in the above steps. Figure 24 shows the start code in line scan 22 is selected to be on time. In addition, in order to simplify the description, only the case of line scanning is explained. Therefore, when it is not line scanning, the processing of step SB12 naturally becomes step SB13. That is, in line scan (step SB11), calculate the difference between the y-coordinate value of BOTTOM and the top y-coordinate of the identified top coordinate in the base variability of the _recognition, which is to calculate the pixel in the y direction of the logo Number and store the result of the calculation in the variable POS-num (step SB12. Next, set the value of the variable inc to " 1 " (step SB14) and the value of the variable counter to “0 " step S15), and further put the variable The endfe value is set to the POS-num obtained in step S SB12 or step SB13 (step SB16 >. Furthermore, the variables M (initial value counter, increment inc, end position end obtained from the above step SB14 to step SB16 ), Call the ROW serial number to detect that the paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) (please read the precautions on the back before filling out this page) Order 32〇7ί〇 Central Ministry of Economics A7 B7__ printed by the quasi-bureau employee consumer cooperative. V. Invention description (39) order (step SB17). When the line serial number can be correctly detected from the indicator information, the line serial number, code length, line serial number, The information of the out position is saved in the variable ROW-POS. Then, check Whether the above instruction can correctly detect the line number of the indicator information (: step SB18), when it is detected, move its control to step SB19, when it cannot be detected, it is impossible to move its control as a decoder Go to the upper order. Next, in step SB19, the data ROW-POS obtained in the above step SB17 is stored in ROW-FIRST. From step SB14 to SB19, the scan line is set to the BOTTOM land mine from the marked TOP, initially The detected pointer position is stored in ROW-FIRST. Furthermore, from SB1A to SB1E, the scan line is set from BTOTTOM to TOP land wrap, and the initially detected pointer position is stored in ROW-LAST. 28, the line number detection command called in the above step SB17 will be described with reference to the flowchart in FIG. 28. For simplicity, only the case of line scanning is explained. Therefore, when it is not line scanning, the processing of step SB172 as described later naturally follows. Step SB173. Well, in the case of line scanning (step SB171), the scan start and end points in the variable counter® of the above coordinate variable array DIM-POINT-P, DIM-POINT-Sheng are increased in the X direction The amount is "1 And the y-direction increment is the above-mentioned tilt increment value LINE-INC. A row of image data is taken from Bonk 0 6AK of the frame marker 6 and then taken into and stored in the buffer array scan-line, and its data The individual lamps are stored in the variable num ^ (step SB172). Furthermore, a conversion instruction for converting to wide information is called (step SB174>, the extracted data is converted to wide information. Then, based on the wide information, the part that matches the barcode table not shown is converted to the middle Information, and then (please read the precautions on the back before filling out this page) to order. This paper size is applicable to China National Standard (CNS) A4 specification (2ΙΟ · 〆297mm) A7 printed by the Employee Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs _B7_ V. Description of the invention (40) Extract and save the pointer information from this information (step SB175). Here, determine whether the pointer information has been read (step SB176), and transfer control to step SB177 when unread, when you have read Transfer control to step SB179. After that, increment the variable counter, that is, reset the counter (_ ^ SB177) with the value of the above-mentioned interval variable inc, and check whether the value of this reset variable counter exceeds the above-mentioned variable end, and identify Fan Guo Whether or not (step SB178). If it does not exceed, transfer control to the stepping step SB171, if it exceeds, it is judged that the decoding does not transfer its control to the higher-level instruction. On the other hand, it is determined as self in step 176 When reading, store the line number and code length, line number and detected position detected at this time in the variable ROW-POSS (step SB179), as decoding may transfer its control to the upper order. After entering this finger, Store the various information of the pointer information 21A that was initially detected in the ROW-POS. It is stored in the information of the variable ROW-POS above, and only the line number is obtained from the pointer information, and other information is the detected line The serial number, code length, and detection position are calculated from the coordinate positions on the frame marker 6 of the line whose indicator information is read. Next, refer to the flowchart of FIG. 29 and the frame marker 100 of FIG. 30 The image of the projected image illustrates the optimal scanning command called by the SDM in the above step. Figure 30 shows a barcode identification with a 4X1 identification matrix (so the number of codes is " 4 "). The start code 22 is selected as the reference during line scanning Example of time. In addition, for simplicity, only the case of line scan is explained. Therefore, when it is not line scan, the process of step SD2 is replaced by SD3 and the process of step SD7 is replaced by step think SD8. That is, in line scan Time (step SD1), calculate the marked indicator The difference between the y-coordinate value of the detected position of the information variable ROW-LAST and the y-frame value of the detected position of ROW-FIRST, that is, the number of pixels in the y direction of the logo is calculated, and the calculation result is stored in the variable end (step SD2 ). Then, use the number of marked lines (that is, the paper size is applicable to China National Standards (CNS) A4 specifications (210X297 mm) (please read the precautions on the back before filling out this page). Fly Order A7 __ B7 5 2. Description of invention (41) Printed by (Zhonggong Consumer Cooperative of Central Bureau of Standards, Ministry of Economic Affairs (line number of variable ROW-LAST)-(absolute value of line number of variable ROW-FIRST)) divided by the value of this variable end and calculated The interval required to scan the center of each line as shown in FIG. 30 only once, and store it in the variable inc (step SD4). And set the detected row number of the variable ROW-FIRST as the initial value of the variable counter (step SD5>. Then, in the case of line scan (step SD6), from the array of coordinate variables DIM-POINT-P, DIM- POINT-Q ^ The starting point and end point of the scan in the current variable counter ^, the increment in the X direction is I and the increment in the y direction is the above-mentioned oblique increment array. LINE-INC takes a row from Bank 0 6A of the frame marker 6 Save the image data in the buffer array scan-linr, and store the number of data in the variable mm (step fee E SD7). Then, call the conversion command for wide information (step SB174) ), Convert the data taken out into wide information. Then, based on the wide information, convert the part that is consistent with the bar code table not shown into a code, and save the information (step SD9) 0 After that, increment the variable counter, di set the counter with the value of the double-inc set in the above interval (step SDA, check whether the value of this reset variable counter exceeds the above variable end, which is the scope of the proposed range (step riding SDB>, if not exceeded, transfer Control to the above step SD6, transfer if exceeded Control to the next step SDC. That is, check whether the saved code information can completely decode the information recorded on the label (step fee (SDC), carry decoding information when decoding is possible, or carry decoding when decoding is impossible) Impossible information is returned to the command that controls the upper layer. Next, the smart scan command called at the above step SF will be described. This smart scan command is a command to scan only the code position missed in the above-mentioned optimal scan. The flow chart of 31 illustrates this intelligent scanning instruction. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 public daughter) (please read the precautions on the back before filling this page)

A7 B7 V. Description of the invention (42) First of all, the number of codes in the screen that is considered to be irreplaceable by the best scan is defined as i (step SF1). That is, i = (total number of codes)-(error-num)-(number of ulcers supplemented with the best scan). Furthermore, the row number and the column number of each code are stored in the array, ie, C (step SF2). From the above, the number and position of codes that cannot be supplemented by the optimal scan can be obtained (as described later, if the column number and row number are known, the coordinates can be known from the CODE-POS obtained in step SB). Then, initialize the variable counter and the tilt mode count η to 0 (step SF3) 0. Furthermore, define the coordinates (CODE -POS [R] [counter] [c] [conuter]] of the undetected place passing the counter bit and have Slope straight line 1 of SLOPE + dt [η] (step SF4). Define the points w3 and w4 where this straight line 1 intersects the picture frame, and take in the image data on the line segment w3-w4 (step SF5). Printed by Sumitomo Falcon Bureau Beigong Consumer Cooperative (please read the precautions on the back before filling in this book 1) and call the conversion command to convert the wide information (step SB174h and convert the data taken out into wide information. Then, the wide Based on the information, convert the part that corresponds to the bar code table that is not shown in advance and corresponds to the use of the bar code into intermediate information, and retain the information (step SF6). Furthermore, it is judged that the target from steps SF4 to SF6 Whether the code at the location is supplemented (step fee iSF7), if supplemented, move to step SFA, if not supplemented, transfer to SF8. In the above step SF7 is judged as not supplemented, the incremental tilt mode count η (Step SF8) and check its Is the number of oblique wedges N-PAT not enough (for example, when the inclined type is prepared as the type pre-array dt, its value is "10") (step SF7), if it is insufficient, go to step SF4, and transfer control step test when exceeding SFA. When the above step SF7 is judged to have been supplemented, or the tilt mode is counted, the paper music scale is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 Gongmai). The A7 is printed by the Employee Consumer Cooperative of the Central Sample Bureau of the Ministry of Economy ^ -------- V. Description of the invention (43) When η is the number of tilt modes N-PAT or more, the increment variable counter sets the tilt mode count η to "〇" (step SFA). Check Whether the counter value of the reset variable exceeds the above variable i, that is, the code that cannot be supplemented by the best scan is considered to be the code number of the code in the screen (step SFB). If it does not exceed, it moves to the above step SF4, exceeding Then turn to the next step SFC. When the above step face [SFB is judged to be exceeded, check whether the saved code information can completely decipher the information recorded in the logo (step SFC). When it can be deciphered, carry the decoding possibility. The information is returned to the upper order. Another When foreign translation is not possible, the information that cannot be decoded is returned to the upper layer instruction. In the above step SF4 to step SFB, the code that cannot be supplemented by the best scan is tried to be considered as each one in the picture. The code is obtained by taking in image data with multiple types of skew to determine the code. From this, since this becomes the operation of taking only the necessary part, the code matrix can be determined with a minimum of trial and error. In the above example, when the code is not supplemented, scanning is performed by changing the inclination of the straight line 1, but it is also possible to scan by moving the straight line 1 in parallel. In addition, the position of the intersection of several oblique lines 1 with different inclination can also be appropriately set like the leading position or the central position of the bar code recognition. Next, the conversion to the wide information command called in step SB174 described above will be described with reference to a series of flowcharts in FIGS. 32A and 32B. The main purpose of this instruction is to find the width of the marked band and blank, and the boundary of the differential signal band and blank. At this time, the peak value of the data is obtained by approximating the quadratic curve. Furthermore, the successive peak position can be obtained, and the width can be obtained by finding the difference between the positions. That is, first, the scan buffer array scan-line behavior data array that is fetched in the upper-layer instruction is defined, and this value is fetched and recorded as the value of the data in the variable child (step SB1741). Then, the result of decrementing the variable num ^ value. The paper size is in accordance with the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the back side: note before filling this page)

A7 Printed and printed by the Central Sample Bureau of the Ministry of Economic Affairs 32Q7i. V. Description of invention (w) Store the position indicator count i, and initially set the displacement J to 0 (step SB1742). Furthermore, the position value of the i-Ι bit of the scan-line buffer array is subtracted from the position value of the land position (represented by the position identifier count i) of the buffer array scan_line, and the The solution is set to the position of the i-th bit taken into the buffer array scan_line (step SB1743). Thereafter, the decrement position indicator counts i (step SB1744), and judges whether the result is greater than 0 or not (step SB17545). If it is not large, control is returned to the above step SB1743. That is, in the process from this step SB1741 to step SB1745, the branch data is withdrawn once. Next, the position indicator count i is initialized to 2 (step SB1746). And determine whether the value of the position after the i-th bit of the buffer array scan-line is greater than the limit variable THRESHOLD !, and greater than the position value of the i-1 bit of the scan-line fetch buffer array, and also When the position value of the i + lth bit of the scan-line buffer array is taken (step SB1747), or so, the symbol flag is set to UP (step SB1748). If this is not the case, then it is determined whether the position value of the ith bit of the scan-line taken into the buffer array is less than the limit variable THRESHOLD ^ (-THRESHOLD) with a negative sign, and it is also smaller than the scan-line taken from the buffer array The position value of the i-1th bit of is small, and it is below the value of the position of the i + I bit of the scan-line into the slow array (step SB1749, if so, set the symbol flag to DOWNN (step SB174A). If this is not the case, the following incremental position indicator counts i (step SB174B), and judges whether the result is smaller than the variable nuin ^ minus 1 (step SB 174C). If it is small, transfer control to The above step SB1747, if it is not small, returns to the command to control the upper target. That is, in this step SB1747 to step SBIWC, the initial peak value exceeding the limit variable THRESHOLDfil is detected, which is the first peak value in FIG. 33 The size of this paper is applicable to the Chinese National Standard (CNS) A4 (210X297mm) (Please read the notes on the back before filling this page)

A7 B7 printed by the Beigong Consumer Cooperative of the Central Bureau of Economic Development of the Ministry of Economic Affairs V. Description of invention (45). Furthermore, when the sign of the detected peak is a positive sign, the sign flag is set to UP and control is transferred to step SB174D, and when the sign of the detected peak is a negative sign, the sign flag is set to DOWN and control is also returned. Go to step SB174D. In addition, if the peak value cannot be detected even in the scan line data, the command to return to the upper layer is returned. : If the symbol flag is set in this way, then set the position identification count i to XI, and set the position value of the i-Ι bit of the scan array to be taken into the buffer array as yl, and take the first position of the buffer array scan to line The position value of the i bit is y 2, and the value of the position of the i + I bit of the scan-line taken into the buffer array is y 3, and thus, the detected peak position and its adjacent data are used in two Secondary connection by line (step SB174D). Generate and perform the following formula 0.5 (-y l-2x ly 1 + 4χ ly 2 + y 3-2x ly 3 y l-2y 2 + y 3 Such a calculation, find the peak position of the above quadratic curve. Then save it Enter the variable lastpos (step SB174E). After that, determine whether the value of the position indicator count i is smaller than the number subtracted from the displacement value by 2 (step SB174F), if it is not small, return to the command that controls the upper layer In addition, if it is small, the incremental position indicator counts i (step SB174G). It is further determined that the apricot symbol flag is DOWN, and the value of the position of the i-th bit taken into the buffer array SCAN-LINE is less than the limit variable The value of THORESHOLD is larger and larger than the position value of the ii bit of the scan-lince taken into the buffer array, and: is it still above the value of the position of the i + Ι position of the scan-line taken into the buffer array ( Step fee SB174H), if so, set the symbol flag to UP (step SB174I). This paper standard is applicable to the Chinese National Standard (CMS) A4 specification (210X297 mm) (please read the precautions on the back before filling in this tile )

A7 _ _B7_ of the Consumer Labor Cooperative of the Central Bureau of Samples of the Ministry of Economic Affairs A. _ _B7_ 5. Description of the invention (46) If not, it is determined whether the symbol flag is UP, and the position value of the i-th bit of the buffer array scan-line is taken It is smaller than the value of the limit variable THRESHOLD whose sign is negative, and it is smaller than the value of the position of the i-1 bit of the scan-line taken into the buffer array and the i- 1 of the scan-line is taken into the buffer array Whether the value of the bit position is below (step SB174J), if not, then transfer control to the above step SB174F, if so, set the symbol flag to DOWN (step SB174K). If so, the symbol flag has been reset, and then pass Set the value of the position indicator count i to xl and set the value of the position of the i-Ι bit taken into the buffer group scan-line to y 1, and the value of the position of the i bit taken into the buffer array scan-line y 2, the value of the position of the i-th bit taken from the buffer array scan-line is y 3. The connection between the detected peak position and its adjacent data with a quadratic curve is performed (step SB174L). And the calculation is as follows: 0.5 (-y l-2x ly 1 + 4χ ly 2 + y 3-2x ly 3 y l-2y 2 + y 3 to find the peak position of the above quadratic curve and store it In the variable nowpos (step SB174M). Thus, the peak position of last dysprosium as shown in FIG. 34 and the peak position nowpos obtained this time can be obtained. Further, the distance between the peaks is obtained by taking the difference between the two peak positions thus obtained, And store it in the position indicated by the variable j with the width information in the billion array variable width (step SB174N). Update the peak position variable lastpos to the value of the peak position variable nowpos (step SB1740), in addition to the incremental variable After j (step SB174P), transfer control to the above step SB174F. In this way, from step SB174F to step SB174P, the order of detection is as follows. This paper size is applicable to China National Standard (CNS) A4 (210X297mm) ( Please read the precautions on the back before filling in this page) A7 B7 printed by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs V. Description of invention (〇) Peak value, and store the distance between the peak values in the width information variable array width Go here The difference from the initial peak detection in the above steps SB1747 to SB174C is that, for example, when the current symbol flag is DOWN, then the peak that must be found is the peak of the positive symbol. As is clear from the above In addition, no matter how much the rotation angle of the bar code mark 2 is given or even a part of it overflows the screen, because it is estimated that the respective code positions included in the bar code are read based on their information, there is no useless reading. That is, Because it is estimated that each code position included in the bar code is based on its information to determine whether to perform the scanning process or not, it can prevent the phenomenon of wasting time on the insufficient bar code image processing and waste of time. In addition, in this In the embodiment, although the result of the judgment is used to branch or unwrap or not, if it is judged to be difficult to supplement, it is also possible to use an apparatus that does not use ordinary scanning processing for apparatus selection. The embodiment further has the following special features: (1) When the mark position is detected, the detection is set again by the least square method Position, so you can determine the position more accurately. (2 丨 With the best scan command, by reading the size (number of rows, number of columns) and the coordinates on the day surface from the marked day surface, you can do relative to each row The number of scans for each data is one, so that when the best scan can be decoded, the reading time of the logo can be shortened. (3 > Further, because the intelligent scan, the best scan cannot be used and is estimated. For the code position in the screen, the detection process is changed by changing various angles, so the increase of the mark reading time can be controlled to a minimum. Next, a second embodiment of the invention will be described. FIG. 35 is a schematic diagram showing the algorithm of the data processing device 7 in the second embodiment. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) ---------- 1 — (please read first (Notes on the back and then fill in this page) Order the A7 __B7_ flow chart of the invention description (48) printed by the Beigong Consumer Cooperative of the Central Department of Economic Affairs of the Ministry of Economic Affairs. To clarify the description, the following description of the detection of hand tremor in the first embodiment described above will be omitted. First, the image is taken into the picture frame marker 6 (step SI). Then, the label detection instruction (Step SJ) described later in detail is called, and the image data taken in is used to check the existence and identification of the logo, and then the logo information is detected if the logo exists. Then, the result of the mark detection process in the above step SJ is judged (step SK), and when the mark does not exist, control is transferred to the above step SI again and the image is taken into the frame memory 6. On the other hand, when the logo exists, the scan instruction (step SL) described in detail later is called, and the logo is scanned comprehensively using various changes defined in the above step SJ to read the logo information. Furthermore, it is judged whether the information read by the above-mentioned step kneading SL can be decoded (step SM), and when decoding is possible, control is transferred to the decoding process of step SN. When decoding is not possible, control is transferred to the above step SI again and the image is taken into the frame marker 6. In step SN, the information read in the scan instruction of the above step SL is decoded, and the decoding result is output to a host device not shown. The various processing instructions described above will be described in detail below.

First, referring to the flowchart of FIG. 36 and the explanatory diagram of each information of the mark of the circle 9 (this figure shows a barcode matrix with a 4X 1 mark matrix (so the code number is " 4 " > The SJ is called the instruction for detection of the identification. This instruction includes two types of identification detection processing, one is the process of checking the presence or absence of the standard, and the other is to find the position information of the detected identification. The logo is drawn in parallel from the picture frame marker 6 (subject to the TOP. This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) (please read the notes on the back (Fill in this page again)

32〇n〇_ B7_ V. Description of the invention (49) and BOTTOM) and the processing of the tilt of the large band (variable SLOPE) and the tilt of the identification data direction (variable DATA-SLOPE). The value of the variable TOP represents the top coordinate of the logo, and the content of the variable BOTTOM represents the base coordinate of the logo. In addition, the content of the variable SLOPE indicates the inclination of the large bands 22A, 23A existing in the start or stop 22,23. Furthermore, the content of the variable DATA-SLOPE indicates the inclination of the marked data direction. Therefore, there is an orthogonal relationship between SLOPE and DATA-SLOPE in principle. In this mark detection instruction, first call the start / stop position detection (step SJ1) described later to find out whether the mark is present and the extraction range required to extract image data from the frame marker 6 parallel to the mark (Change boy TOP and BOTTOM). Then, the result of the start / stop position detection in the above step SJ1 is judged (step SJ2), and when the mark does not exist, this process is jumped out as "no mark". That is to return with unidentified information. On the other hand, when the logo is stored, it is determined whether it is determined by row scanning or column scanning (step SJ3). During the line scan, the steps xJy and SJ5 are used to obtain the x / y slope (SLOPE) of the straight line shown in Fig. 9 and the intercept (intercept) where the straight line intersects the y = o frame. Similarly, in the column scan, the steps SJ6 and SJ7 are used to find the intercept (iintercept) at which the y / x tilt (SLOPE) and the picture frame of x = o intersect. Printed by the Central Ministry of Economic Affairs, 'Biezhengong Consumer Cooperative (please read the precautions on the back before filling in this page), and then use the data tilt detection command to find the data direction of the logo based on the data obtained above Tilt (variable DSTA-SLOPE) (step SJ8), and return. Next, the start / stop position detection command in the above step SJ1 will be described with reference to the start / stop position detection explanatory diagram of FIG. 8 and the flowchart of FIG. 37. This start / stop position detection instruction includes the following two types of mark detection processing: one is the processing of detecting the presence or absence of the mark, and the other is to determine the position of the detection mark (210X297 mm) A7 _ B7__ V. Description of the invention (50) The information is the processing of the extraction range (variables TOP and BOTTOM) required to extract image data from the frame marker 6 in parallel to the logo. In this start / stop position detection command, the _recognition detection flag is first initialized (step SJ11). This logo detection flag is composed of a start detection flag start-flag and a stop detection Sassafras stop-flag, and four corner detection flags corner-flag and stop-flag. These sassafras detect start-flag and stop-flag in the sassafras, and are used to indicate which of the start code 22 and the stop code 23 should be selected and processed in other processes described later. Because when both the start code 22 and the stop code 23 are detected, it is necessary to select the one with higher reliability. Furthermore, the corner-flag indicates a possibility of calculating DATA-SLOPE in other processing described later. Printed by the Ministry of Economic Affairs of the Ministry of Economic Affairs of the Ministry of Economic Affairs of the Ministry of Economic Affairs (please read the precautions on the back before filling in this page), then call the start / stop code detection instruction (step SJ12) described in detail later, check in the access frame Whether the start and / or stop codes 22 and 23 are present in the image data of the memory 6 or not. That is, the points e, f, g, and h in FIG. 8 are detected (however, it is not limited to detecting all of the four-valued structural variables. For example, in the case shown in Figure 9, the structural variables f and h & gt may not be calculated Through this instruction, if the start and stop codes 22 and 23 are detected and determined, the construction variable g on the frame marker 100 of FIG. 8 can be defined at the start code 22, and the construction can be defined at the stop code The quantity h. The construction variable e indicates that the coordinates and code length of the start code 22 are initially found, f indicates that the coordinates and code length of the stop code 23 are initially found, g indicates that the coordinates and code length of the start code 22 are finally found, and h indicates that the stop is finally found The coordinate and code length of code 23. Further, it is judged whether the mark has been detected (that is, one of the construction variables g and h is defined or not) (step SJ13), when it is not defined, it is returned as "no mark" In addition, when it has been judged as force " detected mark " in the above step SJ13, it is then judged whether the structural change Dong g is defined (step SJ14). ) A4 specification (210X297mm) A7 B7 Central sample of the Ministry of Economic Affairs Bureau member X Consumer Cooperative Seal.% V. Description of the invention (51 then enter step SJ16. On the other hand, when the construction variable g is defined, call the start edge position detection instruction as described with reference to FIG. 12 (step SSJ15) to start The detection of the edge position. At this time, the edge detection is defined by the structural changes e and g (if the structural change g is defined, of course, the structural variable e is also defined). The coordinate changes i and m as shown in FIG. 8 are defined. Then define the coordinate variables a and d. In addition, ON stat-flag, and define the coordinate variables TOP and BOTTOM. Here, the coordinate variables a and b represent one of the identified four corner coordinates. Then, determine whether the construction variable h is defined ( Step SJ16), if it is not defined, proceed to step SJ18. On the other hand, when the construction variable h is defined, the stop edge position detection instruction (Step Chun SJ17) shown in FIG. 13 is called to check the stop edge position This stops the edge position detection and defines the coordinate variables j and k as shown in FIG. 8 through the construction variables f and h (if the construction variable h is defined, of course, the construction variable f is also defined), and then defines the coordinate variables b and c. In addition, ON stop-flag, and define the coordinate variables TOP and BOTTOM. The coordinate variables b and c respectively represent one of the four-valued corner coordinates of the logo. Next, determine whether the strtart-flag and stop-flag are both ON ( Buzhuo SJ18), when both are not ON, return as "marked". When both flags are ON, reset both sart-fl'ag and stop-flag once (step 铤 SJ19), Compare the line segment (ad) (cd) (step Li SJ1A), select the one of the line segment length in the start code 22 and the stop code 23 as the processing target. This is because in normal use, the biggest reason why one side's code is shorter than the other side is when it emerges from the screen, so this method of selecting the long side as the processing standard is adopted. In addition, when the line segment (ad) is shorter than the line segment (bc), the value of the coordinate acceptor b is substituted into the coordinate variable TOP, or the value of the coordinate variable c into the coordinate variable BOTTOM, respectively The paper size required for the extraction range is in accordance with Chinese National Standard (CNS &A; A4 size (210X297mm) (please read the notes on the back before filling in this page). A7 B7 is printed by the Employees Consumer Cooperative of the Central Kneading Rate Bureau of the Ministry of Economic Affairs Fifth, the description of the invention (52) data, and then ON stop-flag and corner-flag (step SJIB). On the contrary, when the line segment (a-d> length linearity < bc) or more, the value of the coordinate variable a Substitute the coordinate variable TOP, or substitute the value of the coordinate variable d into the coordinate variable BOTTOM and define it as the data required to determine the extraction range of the identification information, and then ON-start-flag and corner-flag (Step Chun SJ1C). Return as "quoted". The following describes the start / stop code detection command called by step SJ12 in the start / stop position detection command with reference to the flowchart in drawing 38. This start / stop code detection command Is as before Detect the instruction of at least one of the construction variables 6 and 3, or f and h. _ Yidi, call the scan and detect (line) instruction described in detail later (step SJ121), and scan the frame of the marker 6 in the line direction The image data is detected by the start / stop codes 22 and 23. The so-called scanning in the line direction refers to scanning in the longitudinal direction of the frame marker 6 as shown in FIG. 8 as a line scan. As a result of the above scanning and detection (line) instructions, the construction variable g or h is defined (ie, the start code 22 or the stop code 23 is apricot is detected, in other words, whether the logo is detected) (step SJ122), in When the mark has been detected, it returns as "quoted". On the other hand, when no mark is detected, the scan and checkout (column) instruction is called (step SJ123) to scan the frame in the column direction The start / stop codes 22 and 23 are detected for the image data of the Y-device 6. The column-direction scanning refers to the scanning of the Y-device 6 in the short-side direction of the frame as shown in FIG. 8 as a column scan. Then, determine the result of the above scan and detect (column) command, and determine whether the construction variable g or h is fixed Yi (Whether, the start code 22 or the stop code 23 is detected, in other words, whether the sassafras is detected) (step SJ124), when the logo is detected, it is returned as "quoted". This paper size is applicable China National Standard (CMS) A4 specification (210X297 public daughter) (please read the notes on the back before filling this page)

3 ^ G7j〇__B7_ V. Description of the invention (53) However, when the logo has not been detected this time, it is returned as "no logo". The scanning and detection commands called in the above steps SJ121 and SJ123 will be described with reference to the flowchart shown in FIG. 39. The processing of this command consists in scanning the data of the frame counting device 6 in the row direction or column direction by the detection interval specified in the prescribed interval, and trying to determine at least one of the construction variables e and g and the construction variables f and h. At least the direction of scanning will be determined when this command is called. When it is possible to determine at least one of the construction variables e and g, f and h, the instruction returns to the upper layer as the detected flag. When none of the groupings of the construction variables e and g, f and h can be detected, the instruction to return to the upper layer is detected as a no-mark. In this scan and detect command, first the code determination flag is initialized (step SJ1211). This code determination flag consists of a start determination flag start-lockftJ stop code determination flag stop-lock. These code determination flags are used to evaluate the reliability of the start / stop codes 22 and 23. After the initial setting, it is determined that the row scan is a column scan (step SJ1212), if it is a row scan, the image data of the nth row is taken (step SJ1213), and if it is a column scan, the image data of the nth column is taken (step SJ1214) ). Ministry of Economic Affairs Central Sample Falcon Bureau Beigong Consumer Cooperative Du Printing (please read the precautions on the back before filling in this page) Then, determine whether there is a start 22 in the image data taken above (step SJ1215), if not If yes, go to step SJ121D. When the start code 22 exists, it is judged whether the start-flag is ON or not (step SJ1216). When start-flag is not ON, it is judged whether the start code 22 is a code to start detection (step SJ1217). When the detected code is started, the detected coordinates and code length are stored in the construction variable e (step SJ1218). In addition, when it is not the detected code at the beginning, it is determined whether the absolute difference between the currently detected code length and the code length already stored in e is within the allowable range (step SJ1219). When it is outside the allowable range, store the detected frame and code length in step SJ1218, which can be detected at present. The paper size is applicable to China National Standard (CNS) 84 specifications (210X297 mm). 32Q710 g printed by the employee consumer cooperative V. Description of the invention (54) Variable e. If it is within the allowable range, start-lock ON (step SJ121A). In addition, when the above step SJ1216 start-lock is ON, it is determined whether the absolute difference between the code length that can be detected now and the code length already stored in e is within the allowable range (: step SJ121B). If it is not allowed, control is transferred to step SJ121D. When it is within the allowable range, the detected coordinates and code length that can be detected now are stored in the construction variable g (step SJ121C). Then, it is judged whether or not the stop code 23 exists in the image data taken in (step SJ121D), and if it does not exist, the process proceeds to step SJ121L. When the stop code 23 exists, it is judged whether stop-flag is ON or not (step S121E). When the stop-flag is not ON, it is judged whether the stop code 23 is a code to start detection (step SJ121F). When it is a code that can be detected at the beginning, the detected coordinates and code length are stored in the construction variable f (step SJ121G). In addition, when it is not the detected code, it is determined whether the absolute difference between the currently detected code length and the code length stored in f is within the allowable range (step SJ121H). If it is permitted, the detected coordinates and code length currently detected in step SJ121G are stored in the construction variable e. In addition, when allowed, stop-lockON (step parent SJ121I). Also, when the stop SJ121E stop-lock is ON, it is determined whether the absolute difference between the currently detected code length and the code length already stored in f is within the allowable range (step SJ121J). When permission is exceeded, control is transferred to step SJ121L. In addition, when allowed, the detected coordinates and code length currently detected are stored in the construction variable h (step SJ121K). Then, the parameter Θ value is increased by a predetermined increment value to update n (step SJ121L), and the number of rows or columns to be fetched next time is determined. In addition, because the vertical and horizontal sizes of the frame memory 6 are known, use this size to determine whether the updated η is out-of-plane or not (step parent SJ121M). The standard is applicable to China National Standard (CNS) Α4 specification (210X297mm) --- ^ ---: ---------- 1Τ ------ 1 (Please read the notes on the back first (Fill in this page) 320710 A7 B7 5. Description of the invention (55) Go to the above step SJ1212. When it is off-screen, that is, if the scanning is finished, it returns. When the bar code mark 2 is attached to a large-scale integrated circuit (LSI) element or the like, the element surface exists in the field of view of the camera. Generally, since the surface of the device has a granular pattern, the misrecognition of the error recognition start / stop codes 222 and 23 in the granular pattern has been confirmed in experiments. It is difficult to read when misrecognition occurs. Therefore, the construction variables e and g are obtained in the above steps SJ1215 to SJ121C, and the construction variables f and h are obtained in the steps SJ121D to SJ121K. That is, the code length of the start code found first and the start code found next are compared, and if it is within the allowable range, it is officially admitted that the start code 22 is found. Furthermore, the construction variable of the last found start code is also compared with the determined start code length, and only the codes within the permission are saved. Similarly, comparing the code length of the stop code found initially, if it is within the allowable range, it is officially admitted that the stop code 23 is found. Furthermore, the stop code construction variable finally found is also compared with the determined stop code length, and only the codes within the allowable are saved. Therefore, prevent misunderstanding. Next, referring to the flowchart of FIG. 40 and the start / stop position detection explanatory diagram of FIG. 8 and the explanatory diagram of each information of the logo of FIG. 9, the data tilt detection command called in step SJ8 in the logo detection command will be described . In this command, the tilt DATA-SLOPE of the parallel direction of the data shown in Fig. 9 is obtained. As mentioned above, although DATA-SLOPE can be obtained from SLOP Satoshi, when such a horizontally long mark with more columns than rows is marked, DATA-SLOPE cannot be accurately marked. As a result, it is understood that the identification information cannot be sufficiently read. Therefore, when the four corners are detected, an attempt is made to find DATA-SLOPE from them. When the result is not ideal, the boundary of the logo is estimated, and the boundary is used to try to estimate. If the result is not satisfactory, you have to ask SLOPED. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) --- ^ --------------, 玎 ------ 1 (please read the back page first Matters needing attention and then fill out this page) Printed by the Central Sample Bureau of the Ministry of Economic Affairs Employee Consumer Cooperative Printed by gBQ.y§ ^? LQ --- Pinong Consumer Cooperative of the Ministry of Economic Affairs of the Ministry of Economic Affairs V. Description of the invention (56) That is, First, judge whether the corner-flag is ON or not (step SJ81), if it is ON, the control is transferred to SJ82, and if it is OFF, the control is transferred to SJ86. When it is ON, that is, when the four corners are obtained when the mark is detected, the inclination of the line segment U-b> is temporarily set to DATA-SLOPE (step SJ82). Then, evaluate whether the obtained DATA-SfOPE has high reliability (that is, whether the error is within the allowable range) (step SJ83). Here, as shown in FIG. 9, the evaluation device has the principle that SLOPE and DATA-SLOPE are orthogonally closed (but SLOPE is x / y, and DATA-SLOPE is y / x). Therefore, the relationship between SLOPE = -DATA-SLOPE is established. That is, in step SJ83, it is evaluated that SLOPE / (-DATA-SLOPE) is close to 1 to some extent, and it is already the main device for evaluating the reliability of the obtained DATA-SLOPE. When it is judged as the allowable range in step SJ83, it returns to the upper order. On the other hand, when it is outside the allowable range, the slope of the line segment c-d is temporarily set to DATA-SLOPE (step SJ84). Then, it is evaluated whether the reliability of DATA-SLOPE sought is high (that is, whether the error is within the allowable range) (step SJ85). When it is determined in step SJ85 that it is within the allowable range, it returns to the upper order. On the other hand, when it is outside the allowable range, control is transferred to step SJ86. Then, the tilt estimation detection instruction (step SJ86) described later in detail is called, the marker boundary is estimated, and the estimation is attempted using the boundary. As a result, when it is judged that it is detected, it returns to the upper order, and when it is evaluated that it is not detected, the control is transferred to step SJ88 (step SJ87). In step | gSJ88, the orthogonal relationship between SLOPE and DATA-SLOPE is used to replace SLOPE with DATD-SLOPE. After that, return to the upper order. Next, referring to the flow chart of FIG. 41 and the illustration of tilt estimation detection of FIGS. 42A and 42B (an example of determining the kneading recognition with a start code, that is, start-flag = ON), the description in the above data tilt detection instruction Step SJ86 is called the oblique original paper wave standard universal Chinese national standard (CNS) A4 specification (210X297mm) (please read the precautions on the back before filling this page)

A7 32G710 _B7__ V. Description of the invention (57) Presumed detection instruction. This instruction is an instruction to estimate the edge green at the upper end of the mark and use this estimated edge to determine the inclination of the marked data direction (variable DATA-SLOPE). That is, to determine whether the reference is the start code 22 or the stop code 23 (step SJ861), when the start code 22 is selected as the reference (ie, start-flag = ON · stop-flag = OFF), start from point a -The point where SLOPE advances to the stop direction by two values around the code word is set to point S (step SJ862). On the other hand, when the stop code 23 is selected as the reference (01 start-flag = OFF, stope-flag = ON, the point about the second codeword that has moved forward from the point b with the slope-SLOPE is set to point S (step SJ863>. Then, define a window T centered on the point S (such as 32X32 pixels) (step SJ864). Then, the window T is thickened (the black part is made thicker and the white part is made thinner) ( Step SJ865), the result of the thickening process including the black portion of the original image as shown in FIG. 42B is obtained. In the thickening process, a well-known thickening process operation may be used. Next, in this case, from the window T Scan the oblique straight line with -SLOPE in the upper left corner to the lower right corner, and define the originally found " black " point as point u (step SJ866). Here, set the reference point to point a or point b, right-SLOPE is Negative scanning from the upper left corner to the lower right corner, if positive, scanning from the upper right corner to the lower left corner. On the other hand, set point c or point d as the reference point, SLOPE is negative to scan from the lower right corner to the upper left corner, It is regular to scan from the lower left corner to the upper right corner. Secondly, The edge green on the cause image closest to the point u is set to point v (step SJ867). That is, through the above operation, the upper boundary of the label is obtained. Therefore, it is judged whether the start-flag is ON or not (ie, whether to put The reference is set on the start mark 22, in other words, the reference point is moss is point a) (step SJ868). If the size of this paper is applicable to the Chinese National Standard (CNS) Λ4 specification (210X297 mm) (please read the notes on the back first (Fill in this page again) Printed 320710 A7 B7__ by the Employees ’Consumer Cooperative of the Central Falcon Bureau of the Ministry of Economic Affairs. 5. Description of the invention (58) When start-flag is ON, the tilt DATA-SLOPE is calculated from points a and v (step SJ869). S-side, if start-flag is OFF, find the tilted DATA-SLOPE from points b and v (step SJ86A). Furthermore, evaluate whether the reliability of DATA-SLOPE is high (ie, whether the error is within the allowable range) ) (Step SJ86B). At this step SJ86B determines that it is within the allowable range, and returns to the upper level command as a tilt has been detected. On the other hand, when it is out of the allowable range, it returns to the upper level command as a tilt setting. Here, For simplicity, only about In the flow of a and b, the same processing can be performed on points c and d when they are out of the allowable range in step SJ86B. Next, referring to the flowchart of FIG. 43 and the graph box of FIG. The projection image illustrates the scan command called at the above step SL. Picture 44 shows a barcode identification with a 4X 1 identification matrix (so the code number is "4"), and the start code 22 is selected as the reference during line scanning Examples. In addition, in order to simplify the description, only the case of line scanning will be described. Therefore, if it is not line scanning, the processing of step SL4 as described later may be replaced with step SL5, and the processing of steps SL7 and SL8 may be replaced with steps SL9 and SLA. That is, the variable counter is first initialized to 0 (step SL1), and the reference coordinate variable WORK is initialized to the value of the identified top coordinate variable TOP (step SL2). Then, it is determined whether it is row scanning or column scanning (step SL3). When row scanning, the difference between the y coordinate value of the identified base coordinate variable BOTTOM and the y coordinate value of the identified top coordinate variable TOP is substituted for the variable count-end ( Step SL4). That is, the number of patterns that must be determined (the number of pixels in the column direction of the logo in the case of Fig. 44) is determined and stored in the variable count-end. The so-called pattern number is the number required to mark all for scanning. The size of this paper is applicable to the Chinese National Standard (CNS) A4 (210X 297mm) (please read the notes on the back before filling in this page). Order the Ministry of Economy Central Bureau of Samples and Employee's Consumer Cooperation Du Printing S2Q710 Ministry of Economy Central Sample A7 _B7__ produced by the Bureau ’s employee consumer cooperation V. Description of the invention (59) During the column scan, the difference between the X coordinate value of the identified base coordinate variable BOTTOM and the X coordinate value of the identified top coordinate variable TOP is substituted into the variable count- In the end (step SL5 >. Then, determine whether it is row scan or column scan (step SL6) again, during row scan, add the value of the variable counter to the y coordinate value of the TOP variable TOP And substitute the result of the reference coordinate variable WORKW y coordinate value (step SL7). In addition, multiply the value of the reference coordinate variable WORK ^ y coordinate by the value of the marked tilt variable SLOPE, and add the marked intercept variable intercept to the result , And then substitute the result as the new reference coordinate quantity WORK69 X coordinate value (step SL8). In this way, as the variable countH increases directly, then set the reference coordinate variable WORK. When the column scans, the top coordinate of the logo Add the value of the variable counter to the X coordinate value of the variable TOP, and substitute the result as the reference coordinate variable WOR and the X coordinate value (step SL9). In addition, multiply the value of the reference coordinate variable WORK & 5 3 by the identifier The value of the slope variable SLOPE and the marked intercept variable intercept are added to the result, and the result is substituted as the y coordinate value of the new reference frame variable WORK (step SLA). Then, the definition has been reset Is the coordinate variable WORK and has a slanted straight line represented by the slant variable DATA-SLOPE of the data, find the dip point where the cover map frame of the straight line intersects, and store them in the coordinate variables P and Q respectively (step SLB) Then, the image data between one line segment PQ (step Hua SLC) is taken out from the frame marker 100. Secondly, the data taken out is converted into width information (step SLD). The width information is obtained from the original image The device can use the same device as the first embodiment described above to obtain the distance between the peaks after differentiating the original image. However, if counted into the paper scale, the Chinese National Standard (CNS) A4 specification (210 X 297 mm) is applicable. ( Notes on the back read and then fill this page)

32G710 Ministry of Economic Affairs Central Sample Bureau Employee Consumer Cooperative Printed A7 B7 V. Description of Invention (60) A device that performs binarization of the number of pixels can also be considered, and is not limited to the aforementioned differential method due to the above content. Then, based on the wide information, the part corresponding to the bar code table (not shown) is converted into intermediate information, and the information is saved (step SLE). After that, increase the counter value of the variable counter (step SLF), and check whether the re-set variable counter * value as a result has reached the necessary number, the variable cunter = countt-end or not (step SLG). When the necessary number is not reached, control is returned to the above step SL6, and when the necessary number is reached, control is transferred to step SLH. That is, check whether the stored intermediate information can completely decipher the information recorded in the logo (step SLH). When the interpretation is possible, the information that can be decoded is broadcasted and returned to the upper order, and when the interpretation is impossible, then the With the impossible decoding information back to the upper order. As described above, even when the barcode reader 2 is deposited on a surface with a strong granularity such as the surface of an LSI device, the phenomenon that the granular mode is mistakenly recognized as a start / stop mode can be prevented. Therefore, as a result, the use of a two-dimensional camera can also eliminate the phenomenon of decoding failure, so that there is no invalid reading. Furthermore, the second embodiment of the present invention has the following features. (1) When seeking the data tilt of the logo (DATA-SLOPE), when the four corners have been obtained, the method of using this information to detect and then use the SLOPE of the start / stop code to check this method, so you can More accurately determine the data tilt. (2) When calculating the data tilt of the mark when the four corners are not sought (DATA-SLOPE), because the upper / lower edge of the estimated mark is used, the data tilt is estimated using the edge position and the reference stick, and then the tilt of the start / stop code is used SLOPE checks this practice, so the data skew can be determined more accurately. In addition, the present invention is not limited to the above-mentioned first and second implementations. The standard of paper music is applicable to the Chinese National Standard (CNS) A4 specification (2I0X297mm) (please read the precautions on the back before filling this page)

A7 B7

32071Q Fifth, the invention description (61) example, of course, various modifications can be implemented. (Please read the precautions on the back before filling in this page) For example, the two-dimensional photographic device 5 is not limited to the area sensors represented by a two-dimensional CCD or photographic tube, such as one-dimensional photographic elements and one-dimensional The combination of the scanning mechanism or the combination of the photodetector and the two-dimensional scanner can be used. In addition, as a two-dimensional imaging device, if a solid-state imaging device capable of high-speed readout and a non-destructive readout charge modulation element (CMD ^ g shadow element) is used, the frame marker 6 can be omitted. Regarding the solid-state photographic device using this CMD photographic element, Japanese Unexamined Patent Publication No. 61-84059 and Internetianal Electron Device Meet ing (IEDM) held in 1986, on the 35th page to the 35th page of the collection of works titled <; < A NEW MOS IMAGE SENSOR OPERATING IN A NON-DESTRUCTIVE READ-OUTM ODE > > papers are published in their content. Printed by the Employee Consumer Cooperative of the Central Sample Bureau of the Ministry of Economic Affairs. Also, the data processing device 7 need not include all of the position detection unit 7A, the tilt detection unit 7B, the decoding execution decision unit 7C, and the decoding unit 7D The part 7D is owned by the host device side not shown in the figure, and it is also possible to output a control signal including a decoding start instruction signal to the host device. Furthermore, it is also possible to construct the entire data processing device 7 in the host device, and take the information of the frame marker 6 or the output of the photographing device into the host device for processing. In addition, g can be implemented by appropriately selecting various configurations in which various parts are integrated, each part is independent, or a part is independent. In the above description, although the barcode 1 recognizes a PDF-417 format, it is not limited to this. Other stacked barcodes such as Code49 or one-dimensional barcodes such as JAN may be used. As described above, according to the present invention, it is possible to save the invalidity of the Chinese national standard (CMS) A4 specification (210Χ297 mm) A7 B7 applicable to the national standard (CMS) A4 B7 of the barcode barcode paper during the reading process of the logo The method of reading the barcode information of the time. This is because the present invention uses the information of the bar code recorded on the frame memory to estimate the code position of the bar code. Based on the estimated code position, it is estimated whether the bar code can be decoded or not and only if the result of this estimation is that decoding is possible. Do $ for decoding. Furthermore, the present invention can provide barcodes that can be read regardless of how the barcode labels (to be stacked barcode labels) are placed on the label detection surface of the picking method, or the captured image of the barcode label is defective Identification information identification method. That is, by at least 2 points in the four corner positions of the projection image marked with the barcode as its quasi-estimated mark position, and then the code position included in the sassafras is estimated, the data can be effectively parallel to the mark and the data is extracted without waste The angle of the logo does not affect Canon's reading, and can read the excellent effect of the processing at high speed. (Please read the precautions on the back before filling out this page) Order Printed by the Employee Consumer Cooperative of the Ministry of Economic Affairs of the People's Republic of China This paper size is applicable to the Chinese National Standard (CMS) A4 specification (210X297 mm)

Claims (1)

Printed by the Ministry of Economic Affairs Zhongxian \ Industrial Consumer Investment Cooperative ¾ B2Q71Q ?? D8 __, patent application scope 1. A method of reading mark information, including: a bar code consisting of a strip and a blank as a two-dimensional image Device; a billion-memory device that obtains information from the photographing device; a position-estimation device that estimates the position of the barcode code based on the information recorded in the device: the code position estimated by the position-estimation device , A decoding possibility estimation device that estimates whether the barcode can be decoded. 2. The method according to item 1 of the patent application scope, which includes: the position estimating device includes a device for estimating whether the code position of the barcode is within the field of view of the photography device; the decoding possibility estimation device is included in When the code position of the aforementioned barcode is estimated by the estimating device in the front view field to be within the shooting field of view of the front shooting device, it is estimated that the barcode is a device capable of decoding. 3. The method according to item 1 of the patent application scope, which includes: the barcode captured by the photographing device contains a plurality of codes; the position estimating device includes estimating whether each code position of the barcode is within the photographic field of view of the photographing device Determining device within the field of view; the decoding possibility estimating device includes a code position estimated by the in-field estimating device to have a predetermined number of preceding barcodes in the photographic field of view of the photographing device, the barcode is estimated to be decoded installation. 4. The method according to item 3 of the patent application scope includes: the bar code captured by the aforementioned photographing device contains a majority of codes that should be synthesized, and a code for error detection and correction before the predetermined number is determined by its value , And the code indicating the aforementioned prescribed number; the aforementioned decoding possibility estimation device further includes the application of the Chinese National Standard Falcon (CNS) A4 specification (210X297mm) from the paper size recorded in the aforementioned notebook (Please read the precautions on the back first (Fill in this page again) 'Clothes. Ordered by the Ministry of Economic Affairs Central Rubin Bureau Employee Consumer Cooperative Printed «. B8 C8 D8 VI. The information in the patent application billion device detected the code indicating the aforementioned prescribed number, and determined the aforementioned prescribed number of devices . 5. The method according to item 4 of the patent application scope, wherein: the bar code captured by the aforementioned camera device further includes the code indicating that the aforementioned should be synthesized; and the configuration of the code for error detection and correction; The internal estimation device includes a device that detects a code indicating that the arrangement is false from the information recorded in the billion device, and estimates whether each code position of the barcode is within the imaging field of the imaging device based on the code arrangement. 6. The method according to item 1 of the patent application scope, in which the decoding device that decodes the information in the device with the previous record billion in the previous record billion when the aforementioned decoding possibility estimation device has been estimated to be capable of decoding. 7. According to the method of claim 1 of the patent application scope, the position estimation device includes: a pattern detection device that detects the pending pattern of the barcode from the interest rate that is recorded in billions of the billions of devices; it is estimated that the pattern is detected Whether the standby mode detected by the device is a reliability estimation device of a special emblem mode with reliability; and using the above-mentioned special mode estimated by the reliability estimation device to be highly reliable, which is recorded in the memory device The code position estimation device for estimating the code position of the barcode. 8. The method according to item 7 of the patent application scope, wherein: the pre-waiting mode includes the start and stop codes arranged before and after the bar code; and the mode detection device includes detecting at least at least the start code and the stop code One detection device. 9. According to the 8th method in the patent application scope, the paper size of the aforementioned predictability device is applicable to the Chinese National Standard (CNS) A4 specification (21〇Χ: 297mm) (please read the precautions on the back first (Fill in this page). Installed. Ordered by the Ministry of Economic Affairs, Central Committee of the Ministry of Economic Affairs, Employee Consumer Cooperative Printed S. · Α8 Β8 C8 D8 _々, the patent application range contains the difference determination device, the result of the mode detection by the aforementioned detection device When the difference between the result of the pattern pick-up performed at a predetermined interval in the extending direction of the bar code of the barcode is within the specified range, the pattern is estimated to be a reliable pattern. 10. According to the method of claim 9 of the patent application, where the aforementioned difference determination device is included when the absolute difference of the code lengths detected by the multiple pattern detections is within the allowable range, the pattern is presumed to be reliable Mode device. 11. The method according to item 7 of the patent application scope, wherein: the holding mode includes the start and stop codes arranged before and after the bar code; the pre-mode detection device includes a code check for detecting the start code and the stop code Out device; and the reliability estimation device included in the start and stop codes detected by the code detection device, a selection device for selecting a more reliable code. 12. The method according to item 11 of the patent application scope, wherein: the pattern detection device includes a length detection device that detects the length of the start code and the stop code of the extension direction of the strip of the barcode; the selection device is based on the foregoing As for the detection result of the length detection device, the longer length is selected within the start and stop codes detected by the code detection device. (Please read the precautions on the back before filling this page) Λ. The size of this paper is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm)