CN102006393A - Large format scanning method capable of realizing automatic image deformation correction - Google Patents
Large format scanning method capable of realizing automatic image deformation correction Download PDFInfo
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- CN102006393A CN102006393A CN2010105961007A CN201010596100A CN102006393A CN 102006393 A CN102006393 A CN 102006393A CN 2010105961007 A CN2010105961007 A CN 2010105961007A CN 201010596100 A CN201010596100 A CN 201010596100A CN 102006393 A CN102006393 A CN 102006393A
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Abstract
The invention discloses a large format scanning method capable of realizing automatic image deformation correction, which comprises the following steps: step 1) leading one piece of paper to pass through a paper feed channel of an automatic paper feed mechanism; step 2) using a plurality of image sensors to carry out real-time scanning on the paper; step 3) leading the image sensors to respectively transmit obtained digital image signals to an acquisition card unit, and leading the acquisition card unit to splice the digital image signals and transmit to a control unit; step 4) leading a control unit to process the obtained digital image signals so as to obtain inclination angle parameters N of the image sensors which are not parallel to the standard; step 5) leading the control unit to feed back the inclination angle parameters N to a regulating unit, and leading the regulating unit to adjust the corresponding image sensors to the corresponding directions according to the inclination angle parameters N so as to lead the plurality of the image sensors to be parallel mutually. Therefore, the large format scanning method can not only be fast in adjusting speed, but also greatly facilitate the use of a large format scanner of a user.
Description
Technical field
The present invention relates to a kind of large format scan method, especially relate to a kind of large format scan method that realizes that the automated graphics distortion is proofreaied and correct.
Background technology
Along with the development of information technology, computer information management and application system are improved day by day and have been obtained using widely.Needing the optical image signal on the carriers such as paper or film is converted in many systems can be for the digitalized electron file of Computer Processing.And for the bigger scanning object of breadth, for example large-scale calligraphy and paint etc. then need to use large format scanner.Large format scanner of today generally all can be made a roughly U-shaped groove, then with some chromosome image-position sensors and drain in the described groove, thereby realizes the splicing of large format.Little in order to guarantee to scan the distortion that obtains image, often need described imageing sensor is carried out accurate Installation And Test, even need align in site of deployment.Nowadays mainly be that the control that relies on the preceding mechanical precision that dispatches from the factory is parallel to each other described imageing sensor, thereby guarantee the precision of large format scanning.
Yet after described large format scanner dispatches from the factory, described large format scanner is subjected to the influence of weather or is given a shock in transportation, make the position of the imageing sensor that places groove that skew take place, will make the image run-off the straight distortion of acquisition even lose.At this moment the user just must take described large format scanner apart correction, and described imageing sensor is readjusted to being parallel to each other; Yet because general user lacks the machinery of adjusting described imageing sensor, often all need to send described large format scanner back to former factory and align again, this has brought very big inconvenience to the user.
Summary of the invention
The defective that The present invention be directed to the existence of above-mentioned background technology provides a kind of large format scan method that realizes that the automated graphics distortion is proofreaied and correct.
For achieving the above object, the invention discloses a kind of large format scan method that realizes that the automated graphics distortion is proofreaied and correct, 1. it comprise the steps: step, and with the paper feed passage of a paper by a mechanism for automatically feeding paper, a side of described paper feed passage is provided with some end to end imageing sensors; Step 2., in the process of described paper by described paper feed passage, described imageing sensor carries out real time scan to described paper; Step 3., described imageing sensor is sent to a capture card unit with the data image signal that obtains respectively, described capture card unit splices described data image signal, and spliced data image signal is sent to a control unit; Step 4., described control unit is handled the data image signal that obtains, to obtain the wherein angle of inclination parameter N of not parallel with standard imageing sensor; Step 5., described control unit feeds back to a regulon with the angle of inclination parameter N, described regulon is adjusted the angle of inclination parameter N with corresponding imageing sensor toward corresponding direction, so that described some imageing sensors are parallel to each other.
Further, described step 4. in, the algorithm that described control unit adopts when the data image signal that obtains is handled is an image angle migration technology.
Further, step 1. in, what described imageing sensor was end to end is arranged in the groove, the two side of described groove is provided with some positions relatively and run through the through hole of described recess sidewall; Step 5. in, described regulon comprise that some and described number of openings is corresponding and movably be located at screw in the described through hole, and some and described screw number is corresponding and the electrical micro-machine that is connected, described screw movably is resisted against a side of described imageing sensor under the control of electrical micro-machine.
Further, described screw be located at corresponding position, the two ends of described each imageing sensor on.
Further, described imageing sensor is the CIS transducer.
Further, step 1. in, described paper feed passage is the drive device of one group of may command paper direction of advance.
In sum, the present invention can realize that automated graphics is out of shape the large format scan method of proofreading and correct and by control unit data image signal is handled, to obtain the wherein angle of inclination parameter of not parallel with standard imageing sensor; Described control unit feeds back to regulon with described angle of inclination parameter, thereby by regulon corresponding imageing sensor is adjusted, thereby it is fast not only to regulate the speed, and greatly facilitates the use of user to large format scanner.
Description of drawings
Fig. 1 is the flow chart of an embodiment of the present invention;
Fig. 2 is the schematic diagram of some imageing sensors among the present invention and screw and electrical micro-machine;
Fig. 3 is the schematic diagram that the part of skew takes place in the digital picture.
Embodiment
For further understanding feature of the present invention, technological means and the specific purposes that reached, function, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
See also Fig. 1 and Fig. 2, the present invention can realize the large format scan method that the automated graphics distortion is proofreaied and correct, and it comprises the steps:
Step 1., with the paper feed passage of a paper by a mechanism for automatically feeding paper, a side of described paper feed passage is provided with some end to end imageing sensors 10.In the present embodiment, described paper feed passage is the drive device of one group of may command paper direction of advance, and described imageing sensor 10 is a CIS transducer 10.Described imageing sensor 10 end to end being arranged in the groove, the two side of described groove are provided with some positions relatively and run through the through hole of described recess sidewall.
Step 2., in the process of described paper by described paper feed passage, 10 pairs of described paper of described imageing sensor carry out real time scan.Described imageing sensor 10 is respectively applied for the analog image information of the described paper of collection and described analog image information translation is become digital image information.
Step 3., described imageing sensor 10 is sent to a capture card unit with the data image signal that obtains respectively, described capture card unit splices described data image signal, and spliced data image signal is sent to a control unit.Described capture card unit electrically connects mutually with described imageing sensor 10 and control unit respectively.
Step 4., described control unit is handled the data image signal that obtains, to obtain the wherein angle of inclination parameter N of not parallel with standard imageing sensor 10.The algorithm that described control unit adopts when the data image signal that obtains is handled is an image angle migration technology.
Step 5., described control unit feeds back to a regulon with the angle of inclination parameter N, described regulon is adjusted the angle of inclination parameter N with corresponding imageing sensor 10 toward corresponding directions.Described regulon comprise that some and described number of openings is corresponding and movably be located at screw 20 in the described through hole, and some and described screw 20 quantity are corresponding and the electrical micro-machine 30 that is connected.Described control unit is electrically connected so that it is controlled with described electrical micro-machine 30 respectively.Described screw 20 movably is resisted against a side of described imageing sensor 10 under the control of electrical micro-machine 30.
See also Fig. 1 to Fig. 3, described imageing sensor 10 is end to end places a groove.Described screw 20 is located at the both sides of described previous image transducer 10 and one imageing sensor, 10 joints, back.Described image angle migration technology is at first determined the reference direction of image, analyzes the parts of images that skew takes place with reference direction then, and then learns the imageing sensor 10 of generation skew and the angle of skew thereof.Described control unit is learnt in the described digital picture part that skew takes place by image angle migration technology, thus as can be known wherein the image gathered of X chromosome image-position sensor 10 be offset the N degree to the right.Can learn that thus described X chromosome image-position sensor 10 has been offset the N degree to the right.
Please continue to consult Fig. 1 to Fig. 3, be located at described X chromosome image-position sensor 10 and be respectively screw 20 before first with the screw 20 of the both sides, joint of last chromosome image-position sensor 10, reach the first back screw 20 relative with described first preceding screw 20 positions.Setting is located at described X chromosome image-position sensor 10 and is respectively screw 20 before second with the screw 20 of the both sides, joint of back one chromosome image-position sensor 10, reaches the second back screw 20 relative with described second preceding screw 20 positions.Described control unit sends the corresponding electrical micro-machine 30 of described angle of inclination parameter N to described regulon.At this moment, with described first before before corresponding electrical micro-machines 30 controls described first of screw 20 screws 20 pass corresponding through hole and move inwards, or pass corresponding through hole with the described second back screw 20 of the described second back screw, 20 corresponding electrical micro-machines 30 controls and move inwards; So that described X chromosome image-position sensor 10 is adjusted the N degree left, finally allow described some imageing sensors 10 be parallel to each other.The present invention can realize that automated graphics is out of shape the large format scan method of proofreading and correct and by control unit data image signal is handled, to obtain the wherein angle of inclination parameter of not parallel with standard imageing sensor 10; Described control unit feeds back to regulon with described angle of inclination parameter, thereby by regulon corresponding imageing sensor 10 is adjusted, and finally makes described imageing sensor 10 be parallel to each other to guarantee the quality of digital picture.The present invention does not adjust the depth of parallelism of described imageing sensor 10 by mechanical precision, but adopt the information that obtains in real time and then described imageing sensor 10 is adjusted, thereby it is fast not only to regulate the speed, and large format scanner do not need depot repair, brought very big convenience to the user.
In sum, the present invention can realize that automated graphics is out of shape the large format scan method of proofreading and correct and by control unit data image signal is handled, to obtain the wherein angle of inclination parameter of not parallel with standard imageing sensor 10; Described control unit feeds back to regulon with described angle of inclination parameter, thereby by regulon corresponding imageing sensor 10 is adjusted, thereby it is fast not only to regulate the speed, and greatly facilitates the use of user to large format scanner.
The above embodiment has only expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (6)
1. the large format scan method that can realize that the automated graphics distortion is proofreaied and correct is characterized in that comprising the steps:
Step 1., with the paper feed passage of a paper by a mechanism for automatically feeding paper, a side of described paper feed passage is provided with some end to end imageing sensors (10);
Step 2., in the process of described paper by described paper feed passage, described imageing sensor (10) carries out real time scan to described paper;
Step 3., described imageing sensor (10) is sent to a capture card unit with the data image signal that obtains respectively, and described capture card unit splices described data image signal, and spliced data image signal is sent to a control unit;
Step 4., described control unit handles the data image signal that obtains, to obtain the angle of inclination parameter N of wherein not parallel with standard imageing sensor (10);
Step 5., described control unit feeds back to a regulon with the angle of inclination parameter N, described regulon is adjusted the angle of inclination parameter N with corresponding imageing sensor (10) toward corresponding direction, so that described some imageing sensors (10) are parallel to each other.
2. the large format scan method that realizes that automated graphics distortion is proofreaied and correct according to claim 1 is characterized in that: described step 4. in, the algorithm that described control unit adopts when the data image signal that obtains is handled is an image angle migration technology.
3. the large format scan method that realizes that the automated graphics distortion is proofreaied and correct according to claim 2, it is characterized in that: step 1. in, what described imageing sensor (10) was end to end is arranged in the groove, and the two side of described groove is provided with some positions relatively and run through the through hole of described recess sidewall; Step 5. in, described regulon comprise that some and described number of openings is corresponding and movably be located at screw (20) in the described through hole, and some and described screw (20) quantity is corresponding and the electrical micro-machine (30) that is connected, described screw (20) movably is resisted against a side of described imageing sensor (10) under the control of electrical micro-machine (30).
4. the large format scan method that realizes that automated graphics distortion is proofreaied and correct according to claim 3 is characterized in that: described screw (20) is located on the corresponding position, two ends with described each imageing sensor (10).
5. the large format scan method that realizes that the automated graphics distortion is proofreaied and correct according to claim 4, it is characterized in that: described imageing sensor (10) is a CIS transducer (10).
6. the height scan method that realizes adjusting automatically chart drive speed according to claim 1 is characterized in that: step 1. in, described paper feed passage is the drive device of one group of may command paper direction of advance.
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| CN2010105961007A CN102006393A (en) | 2010-12-20 | 2010-12-20 | Large format scanning method capable of realizing automatic image deformation correction |
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| CN2010105961007A CN102006393A (en) | 2010-12-20 | 2010-12-20 | Large format scanning method capable of realizing automatic image deformation correction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103295215A (en) * | 2013-06-28 | 2013-09-11 | 电子科技大学 | Automatic image splicing method based on contact image sensor (CIS) large-format scanner |
| CN104618625A (en) * | 2015-01-30 | 2015-05-13 | 电子科技大学 | Image fusing and splicing method of CIS large breadth scanner |
| CN108515780A (en) * | 2018-03-21 | 2018-09-11 | 昆明理工大学 | A kind of paper tilt calibration apparatus based on image recognition |
| CN113596276A (en) * | 2021-06-28 | 2021-11-02 | 展讯半导体(南京)有限公司 | Scanning method and system for portable electronic equipment, electronic equipment and storage medium |
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Application publication date: 20110406 |