CN1475959A - Status identifying system using PDA/hand set tableau multiple one dimension bar code reading as base - Google Patents
Status identifying system using PDA/hand set tableau multiple one dimension bar code reading as base Download PDFInfo
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- CN1475959A CN1475959A CNA021305072A CN02130507A CN1475959A CN 1475959 A CN1475959 A CN 1475959A CN A021305072 A CNA021305072 A CN A021305072A CN 02130507 A CN02130507 A CN 02130507A CN 1475959 A CN1475959 A CN 1475959A
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- bar code
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Abstract
An authentication system based on reading the multiple one-dimension bar code displayed in the picture on PDA/mobile telephone is composed of a multiple one-dimension bar code generating system consisting of data input unit and bar code generating unit, and a multiple one-dimension bar code reading system consisting of PDA/mobile telephone induction unit, CCD camera, frame grabber, image processing unit, bar code recognizing unit, and data recording unit.
Description
Technical field
The present invention relates to the identity recognizing technology of a kind of PDA/ mobile phone picture multiple one dimension bar code reading for the basis, particularly a kind of bar code that produces multiple one dimension bar code produces the reading system of system and a kind of PDA/ of can be applicable to mobile phone screen or other liquid crystal displays.
Background technology
General at present the use with laser diode emission laser extremely on the picture thing, utilization is read the mode of reflection wave and is distinguished image, this technology can't be applied to read the image that PDA/ mobile phone screen picture shows, and owing to be subject to the size of PDA/ mobile phone screen, at present general used bar code form and not exclusively being applicable to is presented on the PDA/ mobile phone screen, for existing identification bar code system can't be applied to major reason on the PDA/ mobile phone screen.
This shows that above-mentioned prior art still has many disappearances, real non-outstanding design, and remain to be improved.
Summary of the invention
The object of the present invention is to provide the identification system of a kind of PDA/ mobile phone picture multiple one dimension bar code reading, remedying the deficiency of current methods, and can be applicable to the mechanism buying the article voucher or pay the fees and withhold for the basis.
Of the present invention time a purpose is to provide the identification system of a kind of PDA/ mobile phone picture multiple one dimension bar code reading for the basis, can produce multiple one dimension bar code according to actual needs downloads for the user, and the multiple one dimension bar code image transitions on the PDA/ mobile phone screen can be become image format, utilize the technology of image processing to pick out multiple one dimension bar code again, the result is stored in the record shelves.
For achieving the above object, the invention provides the identification system of a kind of PDA/ mobile phone picture multiple one dimension bar code reading for the basis, formed by multiple one dimension bar code generation system and PDA/ mobile phone picture multiple one dimension bar code reading system; Wherein, multiple one dimension bar code produces system to be made up of data input unit and bar code generation unit, and the source book of bar code can be imported in the data input unit, source book is sent to the bar code generation unit to produce corresponding bar code again;
PDA/ mobile phone picture multiple one dimension bar code reading system is a core with image processing/identification technique, is made up of PDA/ mobile phone sensing unit, CCD camera, video search card, image process unit, bar code identification unit and data logging unit; Wherein PDA/ mobile phone sensing unit is responsible for detecting induction PDA/ mobile phone, and will respond to message and send the video search card to and clap the picture image image of getting on the PDA/ mobile phone screen to trigger CCD camera, CCD camera is clapped the barcode image on the PDA/ mobile phone screen of getting, by image process unit with the barcode image dualization, by the bar code identification unit the complete identification of bar code is come out again, and stored by the result of data logging unit with bar code identification unit gained.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, and wherein multiple one dimension bar code produces the bar code generation unit of system, can produce bar code or multiple one dimension bar code on demand.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, and wherein multiple one dimension bar code produces the multiple one dimension bar code that the bar code generation unit of system produced and can add check code.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, but wherein PDA/ mobile phone picture multiple one dimension bar code reading system identification PDA/ mobile phone screen or the shown bar code of other LCD.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, and wherein the PDA/ mobile phone sensing unit of PDA/ mobile phone picture multiple one dimension bar code reading system can utilize the image detection mode induction of hardware inductor or software.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, wherein the image process unit of PDA/ mobile phone picture multiple one dimension bar code reading system is to utilize moving average method,, and remove impurity and keep the bar code main body the barcode image dualization with dynamic threshold value.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, wherein system of PDA/ mobile phone picture multiple one dimension bar code reading system utilizes the Quiet Zone of bar code the right and left, and the tangible characteristic of barcode image graded, barcode position is located out.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, and the bar code identification unit of PDA/ mobile phone picture multiple one dimension bar code reading system wherein is to utilize the check code of decoded results and bar code itself to do to check.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, when wherein the identification result of the bar code identification unit of PDA/ mobile phone picture multiple one dimension bar code reading system is incorrect, promptly refuse this picture image image, and reply the message of searching picture image again.
Described PDA/ mobile phone picture multiple one dimension bar code reading be the basis identification system, wherein the data logging unit of PDA/ mobile phone picture multiple one dimension bar code reading system store data can comprise sequence number, bar code includes information records such as data, writing time, barcode image shelves.
Described PDA/ mobile phone picture multiple one dimension bar code reading is the identification system on basis, and wherein the data logging unit of PDA/ mobile phone picture multiple one dimension bar code reading system can provide artificial input barcode data.
Description of drawings
Fig. 1 is the flow implementation illustration of the identification system on basis for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 2 is the multiple one dimension bar code generation unit flow implementation illustration of the identification system on basis for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 3 is that the multiple one dimension bar code image of the identification system on basis is implemented illustration for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 4 is that the CCD camera of the identification system on basis is taken PDA/ mobile phone picture image enforcement illustration for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 5 is the image process unit flow implementation illustration of the identification system on basis for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 6 is the bar code identification unit flow implementation illustration of the identification system on basis for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 7 is that the PDA/ mobile phone picture dualization image of the identification system on basis is implemented illustration for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention;
Fig. 8 implements illustration for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention for the PDA/ mobile phone picture multiple one dimension bar code image that the data logging unit of identification system on basis is write down;
Fig. 9 implements illustration for PDA/ mobile phone picture multiple one dimension bar code reading of the present invention for the record shelves content that the data logging unit of identification system on basis is write down.
Embodiment
See also shown in Figure 1, be the process flow diagram of PDA/ mobile phone picture multiple one dimension bar code reading provided by the present invention, wherein consist predominantly of data input unit 11, bar code generation unit 12, PDA/ mobile phone sensing unit 13, CCD camera 14, video search card (Frame Grabber) 15, image process unit 16, bar code identification unit 17 and data logging unit 18 for the identification system on basis.Wherein, bar code generation unit 12 produces corresponding bar code or multiple one dimension bar code according to the data that data input unit 11 is given, and the methods such as wireless communication transmission or computer network that see through for the user with authority are downloaded.The user downloads bar code to the PDA/ mobile phone, can according to this bar code as identification or buy the article voucher, the proof of the payment of paying the fees.13 of PDA/ mobile phone sensing units are responsible for detecting and are entered the PDA/ mobile phone of induction zone, and will respond tos message and send video search card 15 to and get picture image image on the PDA/ mobile phone screen to trigger CCD camera 14 bats; PDA/ mobile phone sensing unit 13 can be a hardware inductor (Sensor) or in the image detecting mode of software, whether be used for perception has the PDA/ mobile phone to exist in its induction range, inductor becomes required state variation will trigger video search card 15 when the PDA/ mobile phone enters, and by the picture image on the video search card 15 notice CCD camera 14 retrieval PDA/ mobile phone screens; After the picture image of getting of clapping is handled for image process unit 16, send the dualization image that produces to bar code identification unit 17 and do identification, 18 the results in data logging unit according to 17 identifications of bar code identification unit, sequence number with each document, bar code includes data, writing time and barcode image shelves shelves name are recorded in the record shelves, the PDA/ mobile phone screen picture image that will comprise this bar code simultaneously files for appendix, if bar code identification unit 18 still can't correctly pick out the barcode image in the PDA/ mobile phone picture after repeatedly attempting, then the data logging unit allows the user to see through keyboard input barcode data, and data logging unit 18 is simultaneously also with the sequence number of this document, are stored in barcode data and writing time the record shelves.
Shown in Figure 2 is multiple one dimension bar code generation unit flow implementation example.After the bar code generation unit receives the bar code word string source book of being imported the data input unit, according to the required multiple bar code columns of practical application, with original word string mean allocation to each row and the calculating inspection sign indicating number, calculate whole width of bar code and the required image size that is produced simultaneously, after finishing these previous operations, converting each character of original word string to the bar code conventional letter in regular turn again prints to image, at last according to the demand of practical application, with the original word string literal print to the image barcode position under.
That shown in Figure 3 is multiple one dimension bar code image embodiment.Present embodiment is based on the code39 barcode standard, expands the fair multiple one dimension bar code form that is; First first character symbol of row of this multiple one dimension bar code is a start character, last row the last character metasymbol is for finishing character, when the columns of multiple bar code was row, this barcode standard can meet code39 fully to begin with start character, to finish the standard format that character finishes.Except last characters of last row for finishing the character, last character of all the other row of multiple one dimension bar code is a check code, can guarantee that so the bar code reading system is unlikely to a certain row in the skip multiple one dimension bar code.
Shown in Figure 4 is that CCD camera is taken PDA/ mobile phone picture image embodiment.Behind the multiple one dimension bar code image on the CCD camera shooting PDA/ mobile phone screen, obtain an image and deliver to the image process unit processing by the video search card.
Shown in Figure 5 is image process unit flow implementation example, input is by the captured PDA/ mobile phone picture image of CCD camera, image process unit Mining moving average method, with dynamic critical value, image is made dualization, and remove impurity reservation bar code main body, to distinguish bar and the space in the barcode image.The production method of dynamic threshold value is M
I+1=M
i+ (g
I+1-M
i) * c/width, wherein M
I+1Be the dynamic threshold value of (i+1) pixel, g
I+1Be the GTG value of (i+1) individual pixel, width is the image width, and c is a constant.
Shown in Figure 6 is bar code identification unit flow implementation example.At first import the dualization image of bar code, then utilize the Quiet Zone of bar code the right and left, and the tangible characteristic of barcode image graded, barcode position is located out, then judge the width kind of each bar and space in the bar code, with code39 is example, and each bar and space have only wide and narrow two kinds of width in the code39 bar code.According to the definition of barcode standard, successively bar code symbol is converted to the literal of representative again, the check code of decoded results and bar code itself compares, and correct words are just exported the identification result of bar code decoding, and the words of denying are then refused this image.
Shown in Figure 7 is that PDA/ mobile phone picture dualization image drags example in fact, utilizes the movingaverage method, with dynamic threshold value, PDA/ mobile phone picture image is given dualization, and removes impurity reservation bar code main body, to distinguish bar and the space in the barcode image.
That shown in Figure 8 is the PDA/ mobile phone picture multiple one dimension bar code image embodiment that the data logging unit is write down.After the bar code identification unit picks out PDA/ mobile phone picture image, just by picture image under the data logging unit record, for have access to reference in the future.
That shown in Figure 9 is the record shelves content embodiment that the data logging unit is write down.After the bar code identification unit picks out multiple one dimension bar code on the PDA/ mobile phone picture, just extremely write down shelves by related data under the data logging unit record, the PDA/ mobile phone picture picture archive that will comprise bar code simultaneously, record crotch content includes the sequence number of each document, bar code includes data, writing time and barcode image shelves shelves name.
PDA/ mobile phone picture multiple one dimension bar code reading provided by the present invention is the identification system on basis, with aforementioned case and other prior arts quoted as proof mutually relatively the time, has more following advantage:
(1) can produce the also multiple one dimension bar code of the different columns of identification according to demand.
(2) can read PDA/ mobile phone screen or the shown image of other LCD that other prior art can not be read widely.
(3) in conjunction with image processing and identification technique, can read various bar codes widely, not only be confined to read multiple one dimension bar code.
(4) use the mode of CCD camera to read recognition image, reduce the chance of laser wave injury human body.
Claims (11)
1. the identification system that PDA/ mobile phone picture multiple one dimension bar code reading is the basis is characterized in that, is made up of multiple one dimension bar code generation system and PDA/ mobile phone picture multiple one dimension bar code reading system; Wherein, multiple one dimension bar code produces system to be made up of data input unit and bar code generation unit, and the source book of bar code can be imported in the data input unit, source book is sent to the bar code generation unit to produce corresponding bar code again;
PDA/ mobile phone picture multiple one dimension bar code reading system is a core with image processing/identification technique, is made up of PDA/ mobile phone sensing unit, CCD camera, video search card, image process unit, bar code identification unit and data logging unit; Wherein PDA/ mobile phone sensing unit is responsible for detecting induction PDA/ mobile phone, and will respond to message and send the video search card to and clap the picture image image of getting on the PDA/ mobile phone screen to trigger CCD camera, CCD camera is clapped the barcode image on the PDA/ mobile phone screen of getting, by image process unit with the barcode image dualization, by the bar code identification unit the complete identification of bar code is come out again, and stored by the result of data logging unit with bar code identification unit gained.
2. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, wherein multiple one dimension bar code produces the bar code generation unit of system, can produce bar code or multiple one dimension bar code on demand.
3. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 2 is the identification system on basis, it is characterized in that, wherein multiple one dimension bar code produces the multiple one dimension bar code that the bar code generation unit of system produced and can add check code.
4. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, but wherein PDA/ mobile phone picture multiple one dimension bar code reading system identification PDA/ mobile phone screen or the shown bar code of other LCD.
5. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that wherein the PDA/ mobile phone sensing unit of PDA/ mobile phone picture multiple one dimension bar code reading system can utilize the image detection mode induction of hardware inductor or software.
6. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, wherein the image process unit of PDA/ mobile phone picture multiple one dimension bar code reading system is to utilize moving average method,, and remove impurity and keep the bar code main body the barcode image dualization with dynamic threshold value.
7. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, wherein system of PDA/ mobile phone picture multiple one dimension bar code reading system utilizes the Quiet Zone of bar code the right and left, and the tangible characteristic of barcode image graded, barcode position is located out.
8. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, the bar code identification unit of PDA/ mobile phone picture multiple one dimension bar code reading system wherein is to utilize the check code of decoded results and bar code itself to do to check.
9. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 8 is the identification system on basis, it is characterized in that, when wherein the identification result of the bar code identification unit of PDA/ mobile phone picture multiple one dimension bar code reading system is incorrect, promptly refuse this picture image image, and reply the message of searching picture image again.
10. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that, wherein the data logging unit of PDA/ mobile phone picture multiple one dimension bar code reading system store data can comprise sequence number, bar code includes information records such as data, writing time, barcode image shelves.
11. PDA/ mobile phone picture multiple one dimension bar code reading as claimed in claim 1 is the identification system on basis, it is characterized in that wherein the data logging unit of PDA/ mobile phone picture multiple one dimension bar code reading system can provide artificial input barcode data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021305072A CN1475959A (en) | 2002-08-15 | 2002-08-15 | Status identifying system using PDA/hand set tableau multiple one dimension bar code reading as base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021305072A CN1475959A (en) | 2002-08-15 | 2002-08-15 | Status identifying system using PDA/hand set tableau multiple one dimension bar code reading as base |
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| Publication Number | Publication Date |
|---|---|
| CN1475959A true CN1475959A (en) | 2004-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021305072A Pending CN1475959A (en) | 2002-08-15 | 2002-08-15 | Status identifying system using PDA/hand set tableau multiple one dimension bar code reading as base |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006060944A1 (en) * | 2004-12-07 | 2006-06-15 | Beijing Gmedia Co., Ltd. | Device for controlling the display of mobile terminal and method thereof |
| CN100414955C (en) * | 2006-09-08 | 2008-08-27 | 光恩科技股份有限公司 | Mobile communication video vision utility system |
| CN101093547B (en) * | 2007-05-18 | 2010-06-09 | 上海邮政科学研究院 | Method for recognizing article by cooperating bar code based on height parameter with digit |
| CN1665182B (en) * | 2004-12-23 | 2010-09-01 | 中华电信股份有限公司 | Coding and decoding method for quick response code |
-
2002
- 2002-08-15 CN CNA021305072A patent/CN1475959A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006060944A1 (en) * | 2004-12-07 | 2006-06-15 | Beijing Gmedia Co., Ltd. | Device for controlling the display of mobile terminal and method thereof |
| CN1665182B (en) * | 2004-12-23 | 2010-09-01 | 中华电信股份有限公司 | Coding and decoding method for quick response code |
| CN100414955C (en) * | 2006-09-08 | 2008-08-27 | 光恩科技股份有限公司 | Mobile communication video vision utility system |
| CN101093547B (en) * | 2007-05-18 | 2010-06-09 | 上海邮政科学研究院 | Method for recognizing article by cooperating bar code based on height parameter with digit |
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