WO2005006735A1 - 印刷用制御装置、画像補正装置、印刷用制御方法、画像補正方法、印刷用制御プログラム、画像補正プログラム、印刷用制御プログラムを記録したコンピュータ読取り可能な記録媒体、および画像補正プログラムを記録したコンピュータ読取り可能な記録媒体 - Google Patents
印刷用制御装置、画像補正装置、印刷用制御方法、画像補正方法、印刷用制御プログラム、画像補正プログラム、印刷用制御プログラムを記録したコンピュータ読取り可能な記録媒体、および画像補正プログラムを記録したコンピュータ読取り可能な記録媒体 Download PDFInfo
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- WO2005006735A1 WO2005006735A1 PCT/JP2004/009636 JP2004009636W WO2005006735A1 WO 2005006735 A1 WO2005006735 A1 WO 2005006735A1 JP 2004009636 W JP2004009636 W JP 2004009636W WO 2005006735 A1 WO2005006735 A1 WO 2005006735A1
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- Prior art keywords
- correction
- image
- mark
- image data
- correcting
- Prior art date
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/23—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material
- G03G15/231—Arrangements for copying on both sides of a recording or image-receiving material
Definitions
- a printing control device an image correction device, a printing control method, an image correction method, a printing control program, an image correction program, a computer-readable recording medium storing the printing control program, and an image correction program.
- Computer readable recording medium
- the present invention relates to a printing control device, an image correction device, a printing control method, an image correction method, a printing control program, an image correction program, and a computer-readable recording medium storing a printing control program. And a computer-readable recording medium on which an image correction program is recorded, in particular, a print control device, an image correction device, a print control method, an image correction method, a print control program, and a print control device capable of correcting a print image.
- the present invention relates to a computer-readable recording medium storing a correction program, a printing control program, and a computer-readable recording medium storing an image correction program.
- a printing apparatus has been capable of double-sided printing in which the front and back sides of paper can be automatically printed.
- Such a printing apparatus is devised to make the printing positions of the front surface and the back surface coincide.
- Patent Document 1 discloses a system that matches a position of a printed image between a front surface and a back surface by reading an offset pattern printed in advance. This system translates the image by adjusting the offset. Thus, in this system, the position of the image on the front surface and the position of the image on the back surface can be aligned.
- Patent Document 1 JP-A-11-48571
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a printing control device, an image correcting device, and a printing device capable of correcting a print image such as a character or a figure in detail.
- an image correction method an image correction method, a printing control program, an image correction program, a computer-readable recording medium on which a printing control program is recorded, and a computer-readable recording medium on which an image correction program is recorded. It is in.
- a printing control device is a printing control device that controls a printing device capable of performing double-sided printing by outputting data.
- the printing control device generates image data representing a printing image so that two or more marks printed on one side satisfy a predetermined arrangement relation with respect to the marks printed on the other side.
- a first generation circuit for outputting the data to a printing device.
- the first generation circuit generates an image for printing such that two or more marks printed on one side satisfy a predetermined relationship regarding arrangement with respect to the marks printed on the other side, respectively. Is generated.
- the output device outputs data.
- the printing apparatus can perform double-sided printing so that two or more marks printed on one side satisfy the predetermined relationship regarding arrangement with respect to the marks printed on the other side. Since two or more marks printed on one side each satisfy a predetermined relationship with respect to the marks printed on the other side, the inclination of the printed image and the predetermined relationship are determined based on the result of the double-sided printing and the predetermined relationship. Partial distortion becomes apparent. As a result, it is possible to provide a printing control device capable of making detailed corrections such as the inclination and partial distortion of a print image.
- the above-mentioned mark includes a specific mark that can specify a relationship between constituent elements of the mark.
- two or more marks printed on one side can include a specific mark that can specify the relationship between the components of the mark.
- the predetermined relation regarding the arrangement is more clear and concrete.
- the inclination and partial distortion of the printed image are more apparent and more specific because the predetermined relationship is more obvious and more specific.
- the inclination and partial It is possible to provide a printing control device capable of clearly and specifically performing detailed correction such as distortion.
- the above-mentioned specific mark includes a lattice pattern at a predetermined interval.
- the specific mark can include a lattice pattern at a predetermined interval.
- the inclination and partial distortion of the print image become more apparent.
- the above-described printing control device further includes a second generation circuit for generating symbol data representing a symbol to be printed together with the mark.
- the second generation circuit can generate symbol data that is printed together with the mark and represents a symbol that specifies the mark. Thereby, each mark can be specified more easily. As a result, it is possible to provide a printing control device capable of easily making detailed corrections such as inclination and partial distortion of a print image.
- an image correction device is a device that corrects image data.
- the image correction device consists of a recognition circuit for recognizing the arrangement of multiple printed marks, and an arrangement relationship between the total of three or more marks printed on the surfaces facing each other, either in the arrangement direction or in distortion. And a correction circuit for correcting image data based on the correction value.
- the recognition circuit recognizes the arrangement of a plurality of printed marks.
- the specifying circuit specifies a correction value for correcting the positional relationship based on the positional relationship between the total of three or more marks printed on the mutually facing surfaces with respect to any of the positional direction and the distortion.
- the correction circuit can correct the image data based on the correction value.
- the above-described arrangement relation includes a directional relation specified based on a line connecting two marks printed on one surface.
- the specific circuit includes a total of three or more marks printed on the surfaces facing each other. Based on the directional relationship specified based on the line connecting the two marks printed on one surface, a correction value for correcting the relationship regarding the arrangement direction can be specified. Thereby, the correction circuit can correct the image data in the arrangement direction based on the correction value. As a result, it is possible to provide an image correction device capable of performing detailed correction on the direction of a print image.
- the above-mentioned relationship in the direction includes a relationship specified by the inclination of the line.
- the specifying circuit can specify the correction value based on the relationship specified by the inclination of the line connecting the two marks printed on the surfaces facing each other. This allows the correction circuit to more easily correct the image data in the arrangement direction based on the correction value. As a result, it is possible to provide an image correction device capable of easily performing detailed correction regarding the direction of a print image.
- an image correction device is a device that corrects image data.
- the image correction device includes an input device for inputting information indicating an arrangement relationship regarding any one of an arrangement direction and a distortion between a total of three or more marks printed on mutually facing surfaces, and an input device for inputting information. And a correction circuit for correcting image data based on the correction value.
- the input device inputs information indicating an arrangement relationship regarding any one of the arrangement direction and the distortion between a total of three or more marks printed on the surfaces facing each other.
- the specifying circuit specifies a correction value for correcting the arrangement relationship based on the information input to the input device. Thereby, the correction circuit corrects the image data based on the correction value.
- an image correction device capable of performing detailed correction on a print image.
- the information input to the input device described above includes specific information for specifying an arrangement relationship.
- the specifying circuit can specify a correction value for correcting the arrangement relationship based on the specific information for specifying the arrangement relationship.
- the correction circuit determines the image data based on the correction value. Can be corrected.
- an image correction device capable of relatively easily performing detailed correction on a print image.
- the above-described specific information includes a code defined for each arrangement relationship.
- the specifying circuit can specify the correction value based on the code defined for each arrangement relationship. Thereby, the correction circuit can correct the image data based on the correction value. As a result, it is possible to provide an image correction device capable of easily performing detailed correction on a print image.
- an image correction device is a device that corrects image data.
- the image correction device includes a recognition circuit for recognizing the size of the printed mark, and a specification for specifying a correction value for the size based on the size relationship of the mark recognized by the recognition circuit. And a correction circuit for correcting the image data based on the correction value.
- the recognition circuit recognizes the size of the printed mark.
- the specifying circuit specifies a correction value for the size based on the size relationship of the mark recognized by the recognition circuit. Thereby, the correction circuit corrects the image data based on the correction value. As a result, it is possible to provide an image correction device capable of performing detailed correction of the size of a printed image.
- the above-described size relationship includes a relationship represented by a mark size ratio.
- the specifying circuit can specify a correction value for correcting the size relationship based on the relationship represented by the mark size ratio.
- the correction circuit can more easily correct the image data based on the correction value.
- the above-mentioned size ratio is a ratio to a predetermined mark size.
- the specifying circuit can specify a correction value for correcting the size relationship based on a relationship represented by a ratio to a predetermined mark size.
- the positive circuit can more easily correct the image data based on the correction value.
- a printing control method is a method of controlling a printing apparatus capable of performing double-sided printing by outputting data.
- the control method for printing includes an image representing a printing image such that two or more marks printed on one side satisfy a predetermined arrangement relation with respect to the marks printed on the other side.
- the method includes a first generating step of generating data and an output step of outputting data to a printing device.
- an image correction method is a method of correcting image data.
- the image correction method is based on a recognition step of recognizing the arrangement of a plurality of printed marks, and an arrangement relationship between the total of three or more marks printed on the surfaces facing each other, either in the arrangement direction or in the distortion.
- an image correction method is a method of correcting image data.
- the image correction method includes an input step of inputting information representing an arrangement relationship regarding one of an arrangement direction and a distortion between a total of three or more marks printed on mutually facing surfaces, and information input in the input step. And a correction step of correcting a positional relationship based on the correction value, and a correction step of correcting image data based on the correction value.
- an image correction method is a method of correcting image data.
- the image correction method includes a recognition step of recognizing the size of a printed mark, and a complementation of the size of the mark recognized in the recognition step, based on the size relationship.
- the method includes a specifying step of specifying a positive value and a correction step of correcting image data based on the correction value.
- the printing control program is a program for controlling a printing apparatus capable of performing double-sided printing by outputting data.
- the printing control program is an image data representing a printing image so that two or more marks printed on one side satisfy a predetermined relationship regarding arrangement with respect to the marks printed on the other side. And causing the computer to execute each step including a first generation step of generating the data and an output step of outputting data to the printing apparatus.
- the image correction program is a program for correcting image data.
- the image correction program recognizes the arrangement of the multiple printed marks based on the recognition step and the positional relationship between the total of three or more marks printed on the surfaces facing each other with respect to either the direction or the distortion of the layout.
- the computer is caused to execute each step including a specifying step of specifying a correction value for correcting the arrangement relationship and a correction step of correcting image data based on the correction value.
- the image correction program is a program for correcting image data.
- the image correction program includes an input step for inputting information indicating an arrangement relationship regarding any one of an arrangement direction and a distortion between a total of three or more marks printed on opposite surfaces, and an input step.
- the computer is caused to execute each step including a specifying step of specifying a correction value for correcting the arrangement relationship based on the information and a correction step of correcting image data based on the correction value.
- the image correction program is a program for correcting image data.
- the image correction program includes a recognition step for recognizing the size of the printed mark, a specifying step for specifying a correction value for the size based on the size relationship between the marks recognized in the recognition step, and a correction step.
- the computer is caused to execute each step including a correction step of correcting image data based on the value.
- a recording medium is a recording medium on which a printing control program for controlling a printing apparatus capable of printing on both sides by outputting data is recorded.
- the recording medium stores image data representing an image for printing so that two or more marks printed on one side satisfy a predetermined arrangement relation with respect to the marks printed on the other side.
- This is a computer-readable recording medium that records a printing control program for causing a computer to execute each step including a first generating step of generating and an output step of outputting data to a printing apparatus.
- the recording medium is a recording medium that records an image correction program for correcting image data.
- the recording medium is based on a recognition step of recognizing the arrangement of a plurality of printed marks and an arrangement relation between any of a total of three or more marks printed on opposing surfaces, with respect to any of the arrangement direction and distortion.
- Computer-readable recording of an image correction program for causing a computer to execute each step including a specifying step of specifying a correction value for correcting an arrangement relationship and a correction step of correcting image data based on the correction value. It is a possible recording medium.
- the recording medium is a recording medium on which an image correction program for correcting image data is recorded.
- the recording medium displays the positional relationship between the total of three or more marks printed on the surfaces facing each other, either in the direction of placement or in the distortion.
- This is a computer-readable recording medium on which an image correction program for causing a computer to execute each step including the above is recorded.
- the recording medium is a recording medium on which an image correction program for correcting image data is recorded.
- the recording medium includes a recognition step of recognizing the size of the printed mark, a specification step of specifying a correction value for the size based on the size relationship of the mark recognized in the recognition step, and a correction step.
- a computer-readable recording medium that stores an image correction program for causing a computer to execute each step including a correction step of correcting image data based on a value.
- a printing control device, an image correction device, a printing control method, an image correction method, a printing control program, an image correction program, a computer-readable recording medium storing a printing control program according to the present invention, and A computer-readable recording medium on which an image correction program is recorded can perform detailed correction of printed images such as characters and figures.
- FIG. 1 is a control block diagram of an image processing apparatus according to a first embodiment of the present invention.
- FIG. 2 is a diagram illustrating a mark A stored in a mark storage unit and an arrangement thereof according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing a mark B stored in a mark storage unit and its arrangement according to the first embodiment of the present invention.
- FIG. 4 is a control block diagram of a correction unit according to the first embodiment of the present invention.
- FIG. 5 is a flowchart showing a control procedure of a storage process of a correction value according to the first embodiment of the present invention.
- FIG. 6 is a flowchart showing a procedure for controlling image data correction processing and printing processing according to the first embodiment of the present invention.
- FIG. 7 is a control block diagram of an image processing device according to a second embodiment of the present invention.
- FIG. 8 is a diagram showing the contents of correction values for each pattern stored in a storage unit according to a second embodiment of the present invention.
- FIG. 9 is a flowchart showing a control procedure of a storage process of a correction value according to the second embodiment of the present invention.
- FIG. 10 is a flowchart showing a control procedure of a storage process of a correction value according to a third embodiment of the present invention.
- FIG. 11A is a diagram showing a basic pattern according to a fourth embodiment of the present invention.
- FIG. 11B is a diagram showing a mark C according to a fourth embodiment of the present invention.
- FIG. 11C is a diagram showing a mark D according to a fourth embodiment of the present invention.
- FIG. 12 is a flowchart showing a control procedure of a storage process of a correction value according to a fourth embodiment of the present invention.
- FIG. 13A is a diagram illustrating contents of image data of a front surface image stored in a mark storage unit according to a fifth embodiment of the present invention.
- FIG. 13B is a diagram showing the content of image data of the back side image stored in the mark storage unit according to the fifth embodiment of the present invention.
- FIG. 14 is a flowchart showing a control procedure of a storage process of a correction value according to a fifth embodiment of the present invention. Explanation of symbols
- 100 image processing unit 102 first module, 104 second module, 106 data input unit, 108 printing device, 110 paper, 112, 134, 146 OR circuit, 114 output unit, 116 mark generation unit, 120 calculation unit, 122 Correction unit, 124 reading unit, 126 correction value input unit, 132 mark storage unit, 136 transformation unit, 142 conversion unit, 144 recognition unit, 150 CPU, 152 monitor, 154 storage unit, 156 input interface, 158 output interface Chair, 160 fixed disk, 162 FD drive, 164 CD-ROM drive, 170 FD, 172 CD-ROM, 700 mark A, 702 mark B, 801 basic pattern, 802 Mark C, 803 Mark D.
- image processing apparatus 100 connected to printing apparatus 108 includes a first module 102 and a second module 104.
- the first module 102 controls the printing device 108 capable of performing double-sided printing by outputting data.
- the second module 104 controls the printing device 108 with respect to the relative relationship between marks printed on mutually facing surfaces of the paper 110 on which the printing device 108 prints.
- the first module 102 includes an OR circuit 112, an output unit 114, and a mark generation unit 116.
- the OR circuit 112 outputs a signal when a signal is input to any one of the input terminals.
- the output unit 114 outputs the signal to the printing device 108.
- the mark generation unit 116 controls the first module 102.
- the mark generation unit 116 is also a part for storing a mark to be described later (in the following description, in principle, the “part” refers to a circuit, but may refer to a device instead of a circuit.).
- the second module 104 includes a data input unit 106, a calculation unit 120, a correction unit 122, a reading unit 124, and a correction value input unit 126.
- the second module 104 shares the above-described OR circuit 112 and output unit 114 with the first module 102.
- the calculation unit 120 calculates a specific correction value based on the input information.
- the correction unit 122 corrects the input image data based on the input correction value.
- the reading unit 124 reads the image displayed on the sheet 110 and converts the image into a signal.
- the correction value input unit 126 receives an input of a correction value from a user. In the present embodiment, it is assumed that the correction value input unit 126 is a numeric keypad.
- the correction value input unit 126 outputs the received input to the calculation unit 120 as a signal.
- the data input unit 106 receives input of image data to be actually printed by the printing device 108.
- the data input unit 106 outputs the received image data to the correction unit 122.
- the mark generation unit 116 includes a mark storage unit 132 and an OR circuit 134.
- the mark storage unit 132 stores a mark described later.
- the mark storage unit 132 is also a unit that controls each block of the mark generation unit 116 based on a program stored in the fixed disk 160 described later.
- the ⁇ R circuit 134 outputs a signal to the OR circuit 112 when a signal is input from any of the input terminals.
- the mark is a mark printed on the sheet 110. This mark is printed more than once per side. In the case of the present embodiment, five prints are made on one side. This makes it possible to correct not only the displacement but also the inclination of the printed image.
- This mark is not limited to a particular shape.
- the mark A700 is a grid mark with a predetermined interval (in this embodiment, the interval is lmm) in which five vertical lines and five horizontal lines having the same length are arranged. . By using this mark, the relationship between the vertical line and the horizontal line, which are components of the mark, can be specified.
- FIG. 2 is a diagram showing the arrangement of the mark A700.
- the mark A700 is arranged at a predetermined position on the sheet 110 so as to satisfy a predetermined relation regarding the arrangement. Each position is given a name such as "position A"-"position E”.
- FIG. 3 is a diagram showing the arrangement of the mark B702. As in the case of FIG. 2, the mark B702 is arranged at a predetermined position on the sheet 110. The position of each mark B702 is given a name such as “position A”-“position E”.
- these positions are positions that can be easily compared with the mark A700.
- these positions are positions that match the arrangement of mark A700. The reason is that the comparison between the front side and the back side seems to be the easiest.
- two or more marks printed on one side, and a mark printed on the other side, respectively have a predetermined relationship regarding arrangement (in the present embodiment, printed on the back side). Two or more marks will each satisfy a relationship that matches any arrangement of the marks printed on the surface.
- Calculation unit 120 includes a recognition unit 144 and a ⁇ R circuit 146.
- the recognizing unit 144 includes the reading unit 124 Recognizes a mark from the read image data.
- the OR circuit 146 outputs the information to the correction unit 122.
- correction section 122 includes a CPU (Central Processing Unit) 150, a monitor 152, a memory 54, a human interface 156, and an output An interface 158, a fixed disk 160, an FD (Flexible Disk) drive 162, and a CD-ROM (Compact Disc-Read Only Memory) drive 164 are included.
- the CPU 150 is a block that controls each block of the correction unit 122.
- the CPU 150 also corrects the information input to the input interface 156 based on the correction values stored in the storage unit 154 in advance.
- the CPU 150 is also a part that transfers information based on the program stored in the fixed disk 160 so that each block of the image processing apparatus 100 plays a role.
- the monitor 152 is a block that displays information such as the operation state of the image processing apparatus 100, for example.
- the storage unit 154 is a block that stores in advance a correction value input through the input interface 156.
- the correction value includes a position correction value, a size correction value, and a tilt correction value.
- the position correction value is a value representing a standard positional force difference between “Position A” and “Position E”. This value is stored for each of the X-axis direction and the Y-axis direction.
- the size correction value is a value representing the magnification of the back side image with respect to the front side image.
- the tilt correction value is a value representing the tilt (unit: radian) of the back side image with respect to the front side image.
- the storage unit 154 stores, in addition to these values, the coordinates of the standard position for each of “position A” and “position E” in advance.
- the input interface 156 is a block that receives data input from the data input unit 106 and the calculation unit 120.
- the output interface 158 is a block that outputs data output from the CPU 150 to the OR circuit 112.
- the fixed disk 160 is a block that stores a program for controlling the correction unit 122 in advance.
- the FD 170 is mounted on the FD drive device 162.
- the CD-ROM 172 is mounted on the CD-ROM drive 164.
- Each block of the image processing apparatus 100 including the correction unit 122 is realized by computer hardware and software executed by the CPU 150 and the mark storage unit 132. It is. Generally, such software is stored and distributed on a recording medium such as the FD 170 or the CD-ROM 172, and is read from the recording medium by the FD driving device 162 or the CD-ROM driving device 164 and temporarily stored on the fixed disk 160. . Further, the data is read from the fixed disk 160 to the storage unit 154, and is executed by the CPU 150. A part of this software is also transferred to the mark storage unit 132 and executed by the mark storage unit 132. The computer hardware itself shown in Fig. 4 is common. Therefore, the most essential part of the present invention is the software recorded on a recording medium such as the FD 170, the CD-ROM 172, and the fixed disk 160.
- a program executed by image processing apparatus 100 has the following control structure for storing a correction value.
- step 201 (hereinafter, step is abbreviated as S), the mark storage unit of the mark generation unit 116
- the output unit 114 outputs the image data generated via the OR circuit 112 to the printing device 108.
- mark storage unit 132 generates image data in which mark B702 is arranged, based on the built-in data.
- output unit 114 outputs the image data generated via OR circuit 112 to printing device 108. At this time, the arrangement of mark B702 was not corrected. The output unit 114 outputs the generated data as it is.
- printing device 108 prints the image of mark A700 on the front surface of sheet 110 and the image of mark B702 on the back surface.
- the paper 110 is printed through a transport path for the front side.
- the paper 110 is printed by passing through the conveyance path for the back side. Therefore, the difference between the position of the mark A700 and the position of the mark B702 is the same as the difference caused by the difference between the transport path on the front surface and the transport path on the rear surface.
- the user determines whether the correction value should be reduced by transmitting light through paper 110 or the like.
- the user sets the correction value for the printing position, the size of the printed image, and the printing inclination. Judge whether to do.
- the user can determine the value of the position correction value based on how many vertical and horizontal lines of the mark B702 deviate from the center position of the mark A700.
- the user can determine the value of the size correction value by comparing the line length of the mark A700 with the line length of the mark B702.
- the user calculates the difference between the X coordinate of the midpoint between position A and position D and the midpoint between position B and position E, and the Y coordinate of the midpoint between position A and position B, and the midpoint between position D and position E.
- the value of the inclination correction value can be determined from the difference between the coordinates.
- correction value input section 126 receives an input of a correction value by the user.
- CPU 150 of correction section 122 stores the new correction value in storage section 154.
- a program executed by image processing apparatus 100 has the following control structure for controlling image data correction processing and print processing.
- correction section 122 determines whether or not the data input to data input section 106 is double-sided printing image data. If it is determined that the image data is double-sided image data (YES in S1201), the process proceeds to S1202. If not (NO in S1201), the process proceeds to S1207. In step S1202, the network 122 outputs the image data of the front surface to the output 114 via the OR circuit 112.
- correction section 122 determines whether or not image data of the back surface remains in built-in storage section 154. If it is determined that image data on the back side remains (YES in S1203), the process proceeds to S1204. If not (NO in S1203), the process ends. In S1204, CPU 150 of correction section 122 corrects the image data on the back side based on the correction value stored in storage section 154.
- correction section 122 outputs the corrected back side image data to output section 114 through OR circuit 112.
- the output unit 114 outputs the image data of the back surface to the printing device 108.
- CPU 150 of correction section 122 determines whether or not image data of all pages has been output. If it is determined that the image data of all pages has been output (YES in S1206), the process ends. If not (N in S1206), the process proceeds to S1202.
- correction section 122 outputs image data to output section 114 through OR circuit 112. Power.
- the output unit 114 outputs image data to the printing device 108.
- the mark storage unit 132 generates image data in which the mark A700 is arranged based on the built-in data (S201).
- the output unit 114 outputs the generated image data to the printing device 108 via the ⁇ R circuit 112 (S202).
- the mark storage unit 132 generates image data in which the mark B702 is arranged (S203).
- the output unit 114 outputs the generated image data to the printing device 108 via the OR circuit 112 (S204).
- the correction unit 122 does not correct any image data. The reason is to specify the correction value based on the uncorrected print image.
- printing device 108 prints mark A700 and mark B702 on the front and back of sheet 110 (S205).
- the mark A700 is printed on the surface of the paper 110.
- the mark B702 is printed on the back surface of the sheet 110.
- the user looks at the sheet 110 and determines the value of the correction value (S206).
- the mark A700 and the mark B702 appear to overlap.
- the mark A700 is a grid pattern with a constant interval. Thereby, the user can determine the printing position shift from position A to position E by specifying the position where mark A700 and mark B702 overlap.
- the user can specify the correction value to be input based on the printing position shift.
- the correction value input unit 126 receives an input of the correction value by the user (S207).
- storage unit 154 of correction unit 122 stores the received new correction value (S208).
- the CPU 150 of the correction unit 122 determines whether the data input to the data input unit 106 is image data for double-sided printing (S1201). In this case, since the image data is determined to be image data of double-sided printing (YES in S1201), the correction unit 122 outputs the image data of the front surface to the output unit 114 through the ⁇ R circuit 112 (S1201). 1202). The output unit 114 outputs image data of the surface to the printing device 108. When the front side image data is output, the correction unit 122 determines whether the back side image data remains in the built-in storage unit 154 (S1203).
- CPU 150 corrects the back side image data based on the correction value stored in storage unit 154 (S1204).
- the correction unit 122 outputs the corrected image data of the back surface to the output unit 114 through the ⁇ R circuit 112 (S1205).
- the output unit 114 outputs the image data to the printing device 108.
- the CPU 150 determines whether or not the image data of all pages has been output (S1206). In this case, it is determined that all the image data has been output (YES in S1206), and the process ends.
- the image processing apparatus 100 corrects the print position of image data using the correction value appropriately input for the purpose of correcting the inclination, distortion, and the like of the back surface. it can. Since the printing position is corrected, the position and size of the front and rear images are correctly corrected. As a result, it is possible to provide an image processing apparatus capable of making detailed corrections such as inclination and distortion of a printed image clearly and concretely.
- printing apparatus 108 may print mark A700 and mark B702 on separate sheets. The reason is that even in this case, the user can compare the arrangement of the mark A700 and the mark B702. In this case, the user can compare the arrangement of the sheets by arranging and comparing the sheets. In this case, the user can compare the arrangement of the sheets by overlapping and comparing the sheets.
- the correction values determined by the user are not limited to those described above. For example, it may be a combination of the above.
- the printing device 108 may print the mark on a print medium other than paper.
- the print medium is not limited to a specific medium as long as the correction value can be determined.
- mark generation section 116 includes a deformation section 136.
- the transformation unit 136 transforms the image data under the control of the mark storage unit 132.
- the deformation unit 136 is connected to the correction unit 122.
- the transformation unit 136 transforms the image data using the correction value.
- the correction value is stored in the storage unit 154 of the correction unit 122.
- Calculation unit 120 includes conversion unit 142.
- the conversion unit 142 is a unit that converts the correction value input to the correction value input unit 126 into a value actually used by the correction unit 122.
- the storage unit 154 stores a set of a plurality of correction values divided into “pattern 1” and “pattern P”. For each set of correction values, the correction value is stored in advance for each of “position A” and “position E”.
- the correction value includes a position correction value, a size correction value, and a tilt correction value.
- the position correction value is a value indicating the deviation of the “position A”-“position E” from the standard position. This value is stored for each of the X-axis direction and the Y-axis direction.
- the size correction value is a value representing the magnification of the back side image with respect to the front side image.
- the inclination correction value is a value representing the inclination (unit: radian) of the back side image with respect to the front side image. If a correction value is required for a position other than “Position A”-“Position E”, the correction value is obtained by linear interpolation using the correction values for “Position A”-“Position E”.
- the storage unit 154 stores, in addition to these values, standard position coordinates for each of “position A” and “position E”.
- a program executed by image processing apparatus 100 has the following control structure for storing correction values.
- the processes shown in FIG. 5 described above have the same step numbers. The processing is the same. did Therefore, those details are not repeated here.
- CPU 150 substitutes "1" for a built-in register.
- the value of this register is represented by variable I.
- mark storage unit 132 of mark generation unit 116 generates image data of an image in which mark A700 is arranged, using the built-in data. At this time, the mark storage unit 132 generates information indicating which pattern the created image corresponds to. This information is called a pattern ID (Identification Data).
- the pattern ID is also information indicating a relation regarding any of the arrangement direction and the distortion between the marks. The reason is that the pattern ID can specify the relationship between the arrangement direction between marks and any force of distortion. The reason why such identification can be performed is that, in each pattern, any relationship between the arrangement direction and the distortion between the marks is different from each other.
- the mark storage unit 132 generates image data representing the value of the pattern ID.
- the pattern ID is printed together with the mark A700 according to the image data.
- the pattern ID is represented by the letters “pattern” and the value I of the register.
- mark storage unit 132 of mark generation unit 116 generates an image for the back surface on which mark B702 is arranged, using the built-in data.
- deformation section 136 deforms the image for the back side based on the correction value of “pattern I” stored in storage section 154 of correction section 122. “I” in this case indicates the value of the register.
- CPU 150 calculates the calorie of "1" in the built-in register.
- CPU 150 determines whether the value I of the register exceeds “P”. If it is determined that the value exceeds “P” (YES in S309), the process proceeds to S310. If not (NO in S309), the process proceeds to S302.
- the user compares the marks on the front and back by making the paper 110 printed by the printing device 108 transparent or the like. The user selects a pattern that matches the position, size, and inclination of the mark from among them.
- the correction value input unit 126 receives an input of the pattern ID selected by the user.
- the conversion unit 142 specifies a correction value based on the input pattern ID.
- conversion section 142 converts the correction value with reference to the value in storage section 154 of correction section 122.
- the CPU 150 substitutes "1" for a built-in register (S301).
- the mark storage unit 132 When “1” is substituted, the mark storage unit 132 generates an image in which the mark A700 is arranged using the built-in data (S302).
- the mark storage unit 132 adds a pattern ID.
- the output unit 114 outputs the generated image data to the printing device 108 (S202).
- the mark storage unit 132 When the image data is output, the mark storage unit 132 generates an image for the back side on which the mark B702 is arranged (S304).
- the deformation unit 136 deforms the back side image based on the correction value of “pattern I” stored in the storage unit 154 of the correction unit 122 (S305) .
- the CPU 150 adds “1” to the built-in register through the operations of S204 to S205 (S308).
- the CPU 150 determines whether or not the value I of the register exceeds “P” (S309).
- the operation force of S302-S308 is performed, so that P sheets 110 force S are marked.
- P types of patterns in which the position of the mark is shifted or the size of the mark is changed are printed, respectively. In these patterns, the above-described correction is applied to the back surface which is not corrected for the front surface.
- the user compares the marks on the front and back by making the P sheets 110 transparent. The user selects a pattern that best matches the position, size and inclination of the mark from among them (S310).
- the correction value input unit 126 receives an input of a pattern ID selected by the user (S311).
- the conversion unit 142 converts the correction value with reference to the value in the storage unit 154 of the correction unit 122 based on the input pattern ID.
- the storage unit 154 stores the new correction value (S208).
- the image processing apparatus 100 As described above, the image processing apparatus 100 according to the present embodiment Thus, an optimum correction value can be selected.
- the image processing apparatus 100 according to the present embodiment can control the printing position based on the pattern that is selected so that the front and back sides of the sheet most closely match. In selecting a pattern, the user can select a pattern using the ID. Since the ID is used, the user can easily select a pattern. As a result, it is possible to provide an image processing apparatus capable of easily correcting the inclination and size of a print image.
- mark storage unit 132 of mark generation unit 116 may generate an image in which mark A700 is disposed, instead of the image in which mark B702 is disposed. In this case, it is not necessary for the user to clarify a specific correction amount that is sufficient to determine whether or not the marks match.
- the specific shape of the mark used in S302 and S304 is not particularly limited.
- a number may be used as a substitute for a mark.
- Letters or combinations of letters and numbers may be used as substitutes for marks. In this case, they may be different for each of the arranged positions. In this case, if they are placed on one side, they may be placed on the other side.
- the correction value instead of using the correction value stored in advance, the correction value may be calculated based on the relationship between the intervals and the positions of those specific portions. As a result, the printing area per spot becomes smaller. The reason is that the mark is not printed. Since the printing area per area is smaller, more numbers can be printed. Because more numbers are printed, more patterns can be tested.
- the image processing device 100 and the printing device 108 include a setting device (not shown) that automatically sets the paper printed by the printing device 108 on the reading unit 124.
- the reading unit 124 of the image processing apparatus 100 simultaneously reads both printing surfaces using a plurality of (two in the present embodiment) readers. The position of these readers is precisely adjusted during the manufacturing process. Thus, the influence of the error of the position of the reader on the correction value can be ignored.
- the second module 104 controls the printing device 108 capable of performing double-sided printing based on the image data read by the reading unit 124.
- Other hardware configurations are the same as those in the first embodiment. The functions for them are the same. Therefore, detailed description thereof will not be repeated here.
- a program executed by image processing apparatus 100 has the following control structure for storing correction values.
- the processes shown in FIG. 5 described above have the same step numbers. The processing is the same. Therefore, detailed description thereof will not be repeated here.
- printing device 108 prints the image created in S201 on the front surface.
- the printing device 108 prints the image created in S203 on the back surface.
- the printing device 108 outputs the printed paper to the reading unit 124 using the above-described setting device.
- reading unit 124 scans the printing surface of the paper set by the setting device, thereby converting the printing surface into image data.
- recognition section 144 of calculation section 120 recognizes the arrangement of the plurality of marks based on the image data. Therefore, in the case of the present embodiment, the recognizing unit 144 extracts the mark A700 from the image data converted by the reading unit 124, and obtains the center coordinates. Similarly, the recognizing unit 144 extracts the mark B702 and obtains its center coordinate. The difference between these coordinates is the positional deviation between the front and back surfaces.
- the recognizing unit 144 specifies a correction value based on a relation regarding any one of the arrangement direction and the distortion between the four marks printed on both sides of the recognized marks.
- recognition section 144 specifies a correction value by the following method.
- the position correction value is calculated as the difference between the center coordinates of the mark A700 and the mark B702. This value is a correction value for offset and distortion of the printing surface.
- the size correction value is calculated as a ratio between the size of the created image data and the size of the read image data.
- the size correction value is calculated for each of the mark A700 and the mark B702.
- the inclination correction value is calculated from the positional relationship between the mark A700 and the mark B702 at each of the position A and the position E. In the case of the present embodiment, the inclination correction value is obtained as the difference between the arc tangent of the front surface and the back surface.
- arctangents are the arctangents of the ratio of the Y coordinate difference to the X coordinate difference.
- the difference between the X coordinate and the Y coordinate is the difference between the adjacent marks (the mark at position A and the mark at position B, the mark at position B and the mark at position E, the mark at position E and the mark at position D, And mark at position D and mark at position A
- the difference between the X-coordinate and the Y-coordinate between any of the marks.
- the difference between the arctangents obtained in this way is used as the inclination correction value for all positions.
- This value is a value for correcting the directional relationship between the arrangement of the mark A700 and the arrangement of the mark B702.
- the direction relationship in this case is a relationship specified based on the inclination of a line connecting two marks that are in tangent to each other.
- the recognition unit 144 outputs the correction value to the correction unit 122 through the OR circuit 146.
- the printing device 108 After the processing in S201 and S204, the printing device 108 prints the image created in S201 on the front surface.
- the printing device 108 prints the image created in S203 on the back surface.
- the printing device 108 outputs the printed paper 110 to the reading unit 124 by the setting device (S405).
- the reading unit 124 converts the printing surface into image data by scanning the printing surface of the sent sheet 110 (S406).
- the recognition unit 144 recognizes the arrangement of a plurality of marks based on the image data.
- the recognition unit 144 calculates a correction value based on the recognition result.
- the recognition unit 144 outputs the calculated correction value to the correction unit 122 via the OR circuit 146 (S407).
- the image processing apparatus 100 can automatically set the test-printed sheet 110 on the reading unit 124.
- the reading unit 124 can read the set sheet and recognize the position of the mark.
- the recognizing unit 144 can calculate a correction value based on the recognition result.
- the image processing apparatus 100 can control the printing apparatus 108 so that the printing position of the printing apparatus 108 is automatically corrected.
- the setting device may not always be used.
- the user may manually set the paper on the reading unit 124.
- the recognizing unit 144 can accurately determine a correction value for correcting the relationship based on the relationship regarding the arrangement distortion using three or more of the marks A700 and the marks B702. it can. In that case, it is assumed that the difference between the printed images on the front and back sides is equivalent to a linear transformation.
- a specific method of calculating the correction value is as follows. Let the coordinates of the image before correction be (X, Y). Let the coordinates of the corrected image be ( ⁇ ', ⁇ '). In this case, based on the formula for linear transformation and the formula for translation,
- the recognizing unit 144 may use a total of three marks on both sides to obtain a correction value for the inclination.
- This correction value is used in place of the above-described inclination correction value, and is a correction value for correcting the relationship in the arrangement direction.
- This correction value is the difference between the inclination of two lines respectively connected to one mark # 700 and one mark # 702 with respect to one mark # 700 (or one mark # 702). This slope may be converted to an angle before the difference is determined.
- the recognition unit 144 can also obtain a correction value for distortion based on the lengths of these two lines. In this case, mark # 700 and mark # 702 are selected in advance so that the lengths of the lines are equal.
- the ratio of the lengths of these lines will reflect the distortion of the image in the area through which they pass.
- the ratio of the lengths of these lines can be used as a correction value for distortion.
- the recognizing unit 144 specifies a correction value for correcting the relationship regarding any one of the arrangement direction and the distortion. it can.
- the mark storage unit 132 of the image processing apparatus 100 stores a mark C802 and a mark D803 composed of a plurality of basic patterns 801 as marks to be printed.
- the mark C802 and the mark D803 will be described with reference to FIGS. 11A to 11C.
- FIG. 11A is a diagram showing basic pattern 801 in the present embodiment. Although the shape of the basic pattern is not limited to a specific shape, the basic pattern 801 in the present embodiment is formed by combining vertical lines and horizontal lines in a cross shape.
- FIG. 11B is a diagram showing mark C802.
- mark C802 is a mark in which 25 basic patterns 801 are arranged in a grid at equal intervals.
- mark D803 includes 25 basic patterns 801.
- the basic pattern 801 of the mark D803 is numbered beside it.
- Mark D803 differs from mark C802 in the position of basic pattern 801.
- the position of the basic pattern 801 in the present embodiment will be described using the above-mentioned numbers as follows.
- the X coordinate is as follows.
- the positions of basic pattern (1), basic pattern (6), basic pattern (11), basic pattern (16), and basic pattern (21) are 2 mm to the left of the basic pattern at the same position of mark C802.
- the position of the basic pattern (2) -the basic pattern (22) is lmm left of the basic pattern at the same position of the mark C802.
- Basic pattern (3) The position of basic pattern (23) is at the same position as the basic pattern at the same position of mark C802.
- Basic pattern (4) The position of one basic pattern (24) is lmm to the right of the basic pattern at the same position of mark C802.
- Basic pattern (5) The position of basic pattern (25) is 2 mm to the right of the basic pattern at the same position as mark C802.
- the Y coordinate is as follows.
- the Y coordinate of basic pattern (1) and basic pattern (5) is 2 mm above the basic pattern at the same position as mark C802.
- Basic pattern (6) The position of the basic pattern (10) is 1 mm above the basic pattern at the same position of mark C802.
- the position of the basic pattern (11) -the basic pattern (15) is at the same position as the basic pattern at the same position of the mark C802.
- Basic pattern (16) Basic pattern
- the position of the turn (20) is 1 mm below the basic pattern at the same position of the mark C802.
- Basic pattern (21) The position of basic pattern (25) is 2 mm below the basic pattern at the same position as mark C802.
- a program executed by image processing apparatus 100 has the following control structure for storing correction values.
- the processes shown in FIG. 5 and FIG. 9 described above have the same step numbers. The processing is the same. Therefore, detailed description thereof will not be repeated here.
- mark storage unit 132 of mark generation unit 116 creates surface image data using mark C802.
- the arrangement of the mark C802 is the same as the arrangement of the mark A700 in the first embodiment.
- mark storage unit 132 creates back side image data using mark D803.
- the arrangement of the mark D803 is the same as the arrangement of the mark B702 in the first embodiment.
- the user compares the front and back marks.
- the method is a method in which the printed sheet 110 is made transparent. For each of the marks, the user determines which of the plurality of basic patterns 801 has the least deviation.
- correction value input unit 126 accepts the input of the number of basic pattern 801 with the least deviation for each of marks D803.
- the conversion unit 142 converts the correction value based on the input number of the basic pattern 801 and the correction value stored in the storage unit 154 of the correction unit 122 based on the position and the inclination.
- the mark storage unit 132 creates image data of the front surface using the mark C802 (S901). After the image data of the front surface is created, the mark storage unit 132 creates the image data of the back surface using the mark D803 through the processing of S202 (S903). After the image data of the back side is created, the user compares the marks on the front and back sides by transmitting the printed paper to light through the processing of S204 to S205. The user determines, for each of the marks, one of the plurality of basic patterns 801 with the least deviation (S906).
- the correction value input unit 126 accepts the input of the number of the basic pattern 801 with the least deviation for each of the marks D803.
- the conversion unit 142 converts the correction value for the position and the inclination based on the input number of the basic pattern 801 and the correction value stored in the storage unit 154 of the correction unit 122 (S907).
- the image processing apparatus 100 can easily control the printing position. As a result, it is possible to provide an image processing apparatus capable of correcting the inclination and the size of a print image.
- the number and arrangement of the basic patterns 801 in one mark are not particularly limited to these.
- the number of basic patterns may be increased or decreased.
- the deviation of the basic pattern 801 of the mark D8033 from the basic pattern 801 of the mark C802 may be further reduced. The reason is that it is only necessary to see which basic pattern is the best on the front and back. There is no need to specify the amount of deviation.
- mark storage section 132 of image processing apparatus 100 stores data of two images shown in FIG. 13A and FIG. 13B, respectively. These images were created from the beginning rather than being created lately based on image data representing marks:! Images. In these images, marks are arranged at the same positions as in the first embodiment. The mark storage unit 132 stores data representing these images. The rest of the hardware configuration is the same as in the first embodiment. The functions for them are the same. Therefore, detailed description thereof will not be repeated here.
- the program executed by image processing apparatus 100 has the following control structure for storing correction values. Note that, in the flowchart shown in FIG. 14, the processes shown in FIG. 5 described above are assigned the same step numbers. The processing is the same. Therefore, detailed description thereof will not be repeated here.
- mark storage unit 132 of mark generation unit 116 outputs image data of the front side image to output unit 114 via OR circuit 112.
- the output unit 114 outputs the image data of the surface image to the printing device 108.
- mark generation section 116 outputs image data of the back side image to output section 114 via ⁇ R circuit 112.
- the output unit 114 outputs the image data of the image on the back side to the printing device 108.
- the mark generation unit 116 outputs image data of the front surface image to the printing device 108 via the output unit 114 (S1101). When the image data is output, the mark generation unit 116 outputs the image data of the back side image to the printing device 108 via the output unit 114 (S1102).
- image processing apparatus 100 can more easily store a new correction value. As a result, it is possible to provide an image processing apparatus capable of correcting the inclination and the size of a print image.
- the present invention since the inclination and size of a printed image can be corrected, the present invention can be advantageously applied to the industry involved in the manufacture of a copying apparatus or a printing apparatus.
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Abstract
Description
Claims
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JP2003197188A JP4222893B2 (ja) | 2003-07-15 | 2003-07-15 | 画像補正装置、画像補正方法、画像補正プログラム、および画像補正プログラムを記録したコンピュータ読取り可能な記録媒体 |
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PCT/JP2004/009636 WO2005006735A1 (ja) | 2003-07-15 | 2004-07-07 | 印刷用制御装置、画像補正装置、印刷用制御方法、画像補正方法、印刷用制御プログラム、画像補正プログラム、印刷用制御プログラムを記録したコンピュータ読取り可能な記録媒体、および画像補正プログラムを記録したコンピュータ読取り可能な記録媒体 |
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EP2620438A1 (en) | 2012-01-24 | 2013-07-31 | Laboratorios Del. Dr. Esteve, S.A. | Substituted pyrano and furanoquinolines, their preparation and use as medicaments |
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JP2006198804A (ja) * | 2005-01-18 | 2006-08-03 | Fuji Photo Film Co Ltd | ずれ測定方法、ずれ補正装置、およびずれ補正プログラム |
JP2009199375A (ja) * | 2008-02-22 | 2009-09-03 | Brother Ind Ltd | 印刷指示装置および印刷指示プログラム |
JP5463968B2 (ja) * | 2010-03-09 | 2014-04-09 | 株式会社リコー | 画像形成装置、画像形成方法、およびプログラム |
JP2012103922A (ja) * | 2010-11-10 | 2012-05-31 | Kyocera Mita Corp | ドライバープログラム |
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JP2000127549A (ja) * | 1998-10-29 | 2000-05-09 | Dainippon Screen Mfg Co Ltd | 印刷制御装置、印刷制御方法および記録媒体 |
JP2000137595A (ja) * | 1998-10-29 | 2000-05-16 | Dainippon Screen Mfg Co Ltd | 印刷制御装置、印刷制御方法および記録媒体 |
JP2002091099A (ja) * | 2000-09-19 | 2002-03-27 | Sharp Corp | 画像形成装置 |
JP2004054802A (ja) * | 2002-07-24 | 2004-02-19 | Fuji Photo Film Co Ltd | 画像処理装置および画像処理プログラム |
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2003
- 2003-07-15 JP JP2003197188A patent/JP4222893B2/ja not_active Expired - Fee Related
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JP2000127549A (ja) * | 1998-10-29 | 2000-05-09 | Dainippon Screen Mfg Co Ltd | 印刷制御装置、印刷制御方法および記録媒体 |
JP2000137595A (ja) * | 1998-10-29 | 2000-05-16 | Dainippon Screen Mfg Co Ltd | 印刷制御装置、印刷制御方法および記録媒体 |
JP2002091099A (ja) * | 2000-09-19 | 2002-03-27 | Sharp Corp | 画像形成装置 |
JP2004054802A (ja) * | 2002-07-24 | 2004-02-19 | Fuji Photo Film Co Ltd | 画像処理装置および画像処理プログラム |
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EP2620438A1 (en) | 2012-01-24 | 2013-07-31 | Laboratorios Del. Dr. Esteve, S.A. | Substituted pyrano and furanoquinolines, their preparation and use as medicaments |
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