CN1313571A - Image scanner and quick locating method - Google Patents
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- CN1313571A CN1313571A CN 00103466 CN00103466A CN1313571A CN 1313571 A CN1313571 A CN 1313571A CN 00103466 CN00103466 CN 00103466 CN 00103466 A CN00103466 A CN 00103466A CN 1313571 A CN1313571 A CN 1313571A
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Abstract
An image scanner with high-speed positioning effect is composed of optical signal processing unit consisting of image pick-up and driver, and scan platform with scan starting point and marking pattern. Its high-speed positioning method is also disclosed. It features that the border between black and white is used as the reference point, instead of individual reference point, preventing that a dirt point is mistaken as reference point.
Description
The present invention relates to a kind ofly have the image-scanning device of quick positioning function and be applied to method for rapidly positioning in this image-scanning device.
The applicant in the Chinese invention patent 86113269 " device of image scanning and method for rapidly positioning " of on September 12nd, 86 application and in the Chinese invention patent 98100478.4 " device of image scanning and method for rapidly positioning " of application on March 4th, 1998 disclosed image-scanning device embodiment mainly comprise a light signal processing device 11 and a scanning platform 12 that is positioned at reference position (initial point) as shown in Figure 1.Wherein light signal processing device 11, include image pick-up device 111 and drive unit 112, are used to pick up document image to be scanned and are converted to numerical data and handle; 12 of scanning platforms are used to put file to be scanned 13, platform 12 is provided with scanning start line 121, the indicia patterns 14 that is completed for printing with standard black and the zone 15 of finishing with standard white, on the indicia patterns specified point A to the distance that scans 121 of start lines be predetermined length yb.The enforcement structure of indicia patterns is the shape as shown in Fig. 2 a to Fig. 2 h respectively, its setting principle is: when light signal processing device moves to when carrying out image pick-up operation on this indicia patterns, the coordinate position of first reference point in this indicia patterns and the coordinate position of second reference point will be obtained respectively, owing to have funtcional relationship between the coordinate position of specified point A in the coordinate position of two reference point and the indicia patterns, and specified point A points to this scan start point is a preset length vector, so according to the coordinate position of two reference point, funtcional relationship and preset length vector and can obtain quick locating effect.
With Fig. 2 a is example, indicia patterns comprises that joining (being specified point) A and angle are first line segment 141 and second line segment 142 of 45 degree, and be printed on the zone 15 that standard white finished with standard black, joining A to the distance that scans 121 of start lines be preset length yb.When the user started scanister and carries out scan operation, the image pick-up device 111 in the light signal processing device 11 picked up the image of file to be scanned and is converted to numerical data under drive unit 112 drives and handles, and its operation steps is as follows:
Pre-set length makes image pick-up device 111 move the first distance y a to indicia patterns from reference position during (a) by manufacturing;
(b) carry out horizontal scanning, scanned first line segment 141, second line segment 142 and obtain two reference Point C in the indicia patterns, the coordinate position of D (x1, y1), (x2, y2) and distance (x2-x1=d) therebetween;
(c) utilize trigonometric function tan45 °=1 relation, obtain respectively joining coordinate position (x1, y1+d) and horizontal scanning line to scan 121 of start lines apart from d+yb;
(d) image pick-up device (c) moving of being obtained set by step apart from d+yb, and be positioned to scan on the start line 121, and one scan starting point S begins to scan from it.
The problem that the aforesaid operations step is brought as shown in Figure 3, when assorted point 31 shown in the figure appears in the zone 15 of being finished with standard white because of manufacture process or long-term use pollute, cause most probably carrying out mistake occurring when the coordinate of two reference Point C, D in first indicia patterns is obtained in horizontal scanning in step (b), promptly will mix a little 31 is considered as reference point and misoperation takes place by mistake.In addition, image pick-up device 111 needs to move the first distance y a from reference position just can obtain two reference Point C in the indicia patterns, the operation of Building D target to indicia patterns, have the shortcoming that increases sweep time and make device length increase aspect.
The objective of the invention is to design a kind of image-scanning device and method for rapidly positioning, to solve the defective in patent of invention 86113269 technical schemes formerly, preventing to mix a little thinks reference point by mistake and produces the situation of misoperation, to improve the fault-tolerant ability of image-scanning device.
The object of the present invention is achieved like this: image-scanning device, comprise a light signal processing device and one scan platform, described light signal processing device begins to move to a direction from reference position, be used to pick up the image of file to be scanned and be converted to numerical data and handle, have the scan start point and the indicia patterns that are positioned on the described light signal processing device moving direction on the described scanning platform; Described indicia patterns is one to be full of the color lump of first color, and is arranged on light signal processing device in the background area of second color of original position.
When carrying out image pick-up operation on indicia patterns, light signal processing device obtains the first reference point coordinate position and the second reference point coordinate position that this indicia patterns and second color background zone has a common boundary, satisfy a funtcional relationship in the coordinate position of two reference point and the indicia patterns between the coordinate position of specified point, it is the pre-set length vector that specified point points to scan start point, can obtain quick locating effect according to coordinate position, funtcional relationship and the preset length vector of two reference point.
According to such scheme, indicia patterns in the image-scanning device can be a leg-of-mutton black color lump, carries out image pick-up operation and horizontal scanning when crossing by formed two boundary lines in this triangle black color lump and white background zone and obtain the first reference point coordinate position and the second reference point coordinate position at light signal processing device.
According to such scheme, formed two boundary lines in image-scanning device intermediate cam shape black color lump and white background zone are to have joining and angle is two line segments of 45 degree, wherein a line segment is parallel with the moving direction of described light signal processing device, and joining to the vector of scan start point is the preset length vector.
According to such scheme, the funtcional relationship in the image-scanning device is: the first reference point coordinate position to the vector length between joining is the distance between two reference point, and vector direction is parallel with the light signal processing device moving direction.
According to such scheme, light signal processing device in the image-scanning device of the present invention, include image pick-up device and drive unit, image pick-up device is used to pick up the image of file to be scanned and is converted to numerical data to be handled, drive unit is connected with image pick-up device, is used to drive image pick-up device and carries out following operation:
(a) image pick-up device carries out image pick-up operation in original position diabolo black color lump;
(b) described two line segments of horizontal scanning obtain the coordinate position of first, second reference point and distance therebetween;
(c) utilize funtcional relationship to obtain the coordinate position of joining;
(d) image pick-up device set by step (c) joining coordinate position and pre-set length vector of being obtained move, be positioned scan start point fast and begin to scan.
Image scanning method for rapidly positioning of the present invention is applied to image-scanning device, this image-scanning device comprises light signal processing device and scanning platform, light signal processing device begins to move to a direction from reference position, be used to pick up the image of file to be scanned and be converted to numerical data and handle, scanning platform is used to put file to be scanned, has scan start point on it, and be positioned on the moving direction of light signal processing device, also has an indicia patterns on it, be one to be full of the color lump of first color, be arranged on the background area place with second color of light signal processing device in original position, the specified point on it points to scan start point and is the preset length vector.Its localization method may further comprise the steps: (a) make light signal processing device be positioned at original position indicia patterns is carried out image pick-up operation; (b) this indicia patterns of horizontal scanning is to obtain the first reference point coordinate position and the second reference point coordinate position of the indicia patterns and second color background zone intersection; (c) utilize funtcional relationship between the first reference point coordinate position, the second reference point coordinate position and specified point position to obtain the coordinate position of this specified point; (d) make light signal processing device set by step (c) specified point coordinate position and preset length vector of being obtained move, be positioned the enterprising line scanning of scan start point fast.
According to such scheme, indicia patterns in the image scanning method for rapidly positioning is a leg-of-mutton black color lump, when light signal processing device carries out image pick-up operation, formed two boundary lines of this triangle black color lump and white background zone are crossed in horizontal scanning, and obtain the first reference point coordinate position and the second reference point coordinate position.
According to such scheme, formed two boundary lines in triangle black color lump in the image scanning method for rapidly positioning and white background zone are to have joining and angle is two line segments of 45 degree, joining is exactly a specified point, wherein a line segment is parallel with the moving direction of light signal processing device, and joining to the vector of scan start point then is the preset length vector.
According to such scheme, the funtcional relationship in the image scanning method for rapidly positioning is: it is the distance between two reference point and direction is parallel to the vector of light signal processing device moving direction that the first reference point coordinate position to the vector of joining equals length.
Another aspect of the present invention, image-scanning device, comprise light signal processing device and scanning platform, light signal processing device begins to move to a direction from original position, be used to pick up the image of file to be scanned and be converted to numerical data and handle, scanning platform is used to put file to be scanned, have scan start point and indicia patterns on it, scan start point is positioned on the moving direction of light signal processing device, indicia patterns is located at the original position of light signal processing device, when carrying out image pick-up operation to indicia patterns, light signal processing device obtains the first reference point coordinate position and the second reference point coordinate position in the indicia patterns, has funtcional relationship between the coordinate position of two reference point and the specified point coordinate position in the indicia patterns, it is a preset length vector that specified point points to scan start point, according to the coordinate position of two reference point, funtcional relationship and this preset length and obtain the fast effect of location.
According to such scheme, indicia patterns in the image-scanning device is one to be full of the color lump of first color, be arranged on light signal processing device in the background area of second color of original position, obtain the first reference point coordinate position and the second reference point coordinate position of the indicia patterns and second color background zone intersection when light signal processing device carries out image pick-up operation to indicia patterns.
According to such scheme, indicia patterns in the image-scanning device is a leg-of-mutton black color lump, and the first reference point coordinate position and the second reference point coordinate position are respectively that horizontal scanning is crossed triangle black color lump and white background formed two boundary lines in zone and obtained when light signal processing device carries out image pick-up operation.
According to such scheme, formed two boundary lines in image-scanning device intermediate cam shape black color lump and white background zone are to have joining and angle is two line segments of 45 degree, joining is exactly a specified point, and wherein to be parallel to the moving direction of light signal processing device and joining to the vector of scan start point be the preset length vector to a line segment.
According to such scheme, the funtcional relationship in the image-scanning device is: it is the distance between two reference point and direction is parallel to the vector of light signal processing device moving direction that the first reference point coordinate position to the vector of joining equals length.
According to such scheme, light signal processing device in the image-scanning device comprises image pick-up device and drive unit, image pick-up device is used to pick up the image of file to be scanned and is converted to numerical data to be handled, drive unit is connected with image pick-up device, is used to drive image pick-up device and operates according to the following steps:
(a) make image pick-up device be positioned at original position diabolo black color lump and carry out image pick-up operation;
(b) two line segments are crossed in horizontal scanning, obtain first, second reference point coordinate position and distance therebetween;
(c) utilize funtcional relationship to obtain the coordinate position of joining;
(d) make image pick-up device set by step (c) joining coordinate position and preset length vector of being obtained move, be used for being positioned fast scan start point and begin to scan.
Further specify technology of the present invention below in conjunction with the embodiment accompanying drawing
Fig. 1 is a disclosed image-scanning device example structure synoptic diagram in the Chinese patent 86113269
Fig. 2 a, 2b, 2c, 2d, 2e, 2f, 2g, 2h illustrate the indicia patterns shape among Fig. 1 embodiment respectively
Fig. 3 be in embodiment illustrated in fig. 1 the background area make or use in the synoptic diagram of assorted point appears because of pollution
Fig. 4 a, 4b, 4c, 4d, 4e, 4f, 4g illustrate the shape of indicia patterns in the embodiment of the invention respectively
Fig. 5 is assorted point appears in the background area in the embodiment of the invention because of pollution in manufacturing and use a synoptic diagram
Fig. 6 is an image-scanning device example structure synoptic diagram of the present invention
Address before Fig. 1 to Fig. 3 illustrates, repeat no more.
Referring to Fig. 4 a to Fig. 4 h, be the patented technology that the present invention is directed in first to file, for solving because of polluting assorted some misoperation that causes improves design to indicia patterns embodiment.With Fig. 4 a is example, this indicia patterns is a leg-of-mutton black color lump 41, be printed on the white background zone 42 of being finished with standard white with standard black, with white background zone 42 formed two boundary lines the 411, the 412nd, having joining A (specified point) and angle is two line segments of 45 degree.
The structural arrangements of image-scanning device can be referring to Fig. 6, indicia patterns 41 changes the original position of being located at image pick-up device 611 with white background zone 42, saving the image pick-up device 111 first distance y a that 14 places need be moved from reference position to indicia patterns in the patent application case formerly, to save sweep time and to shorten the length of device.In the image-scanning device configuration of other element and action then with patent application case formerly in identical, wherein joining A to the distance that scans 121 of start lines also be a preset length yb.When the user starts scanister and carries out scan operation, be used in the light signal processing device 61 pick up the image of file 13 to be scanned and be converted to the image pick-up device 611 that numerical data is handled, under the drive of drive unit 612, operate according to the following steps:
(a) make image pick-up device 611 be in original position, indicia patterns is carried out horizontal scanning, during the indicia patterns of scanned triangle black color lump 31, can be from formed two boundary lines of black and white intersection 311, the 312 clear coordinate position (x1 that obtain two reference Point C, D the indicia patterns, y1) (x2, distance (x2-x1=d) y2) and therebetween;
(b) utilize trigonometric function concern tan45 °=1 coordinate position that obtains joining respectively (x1, y1+d) with horizontal scanning line to scan start line 121 apart from d+yb;
(c) make image pick-up device by moving that above-mentioned steps obtained, and be positioned to scan on the start line 121, and one scan starting point S begins to scan from it apart from Yu d+yb.
Referring to Fig. 5, be improved to the reference point that detects the black and white intersection by detecting self-existent reference point owing to distinguish the method for looking two reference point, even so assorted point 51 occurred on the white background zone 32 of being finished with standard white, 51 situations of thinking reference point by mistake can not take place to mix a little yet, can not produce misoperation, improve the fault-tolerant ability of case image-scanning device of the present invention greatly, thoroughly solved the shortcoming in the patent application case formerly, realized goal of the invention.
Claims (16)
1. image-scanning device, comprise that one begins to move to a direction from reference position, be used to pick up document image to be scanned and be converted to light signal processing device and scanning platform that is used to put file to be scanned that numerical data is handled, described scanning platform is provided with an one scan starting point and an indicia patterns that is positioned on the described light signal processing device moving direction, it is characterized in that: described indicia patterns is one to be full of the color lump of first color, be arranged on described light signal processing device in one second color background zone of original position, has specified point on the indicia patterns, the intersection in the indicia patterns and the second color background zone has first reference point and second reference point, first, have funtcional relationship between the coordinate position of specified point in the coordinate position of second reference point and the indicia patterns, it is the preset length vector that specified point points to described scan start point.
2. image-scanning device according to claim 1 is characterized in that: described indicia patterns is a triangle black color lump, and the described second color background zone is the white background zone; The described first reference point coordinate position and the second reference point coordinate position are crossed formed two boundary lines of this triangular form black block and white background zone by described light signal processing device horizontal scanning and are obtained.
3. image-scanning device according to claim 1 and 2, it is characterized in that: described is to have joining and angle is two line segments of 45 degree by formed two boundary lines in triangle black color lump and described white background zone, and a line segment is parallel with the moving direction of described light signal processing device; Joining is described specified point, and described preset length vector is the vector of joining to described scan start point.
4. image-scanning device according to claim 1 is characterized in that: described funtcional relationship is that to equal length be distance and direction is buried the parallel vector of device moving direction with described light signal place between two reference point to coordinate position to the vector of specified point of first reference point.
5. image-scanning device according to claim 1, it is characterized in that: described light signal processing device comprises and is used to pick up document image to be scanned and is converted to numerical data image pick-up device of handling and the drive unit that drives this image pick-up device that drive unit is connected with image pick-up device.
6. method for rapidly positioning that carries out image scanning with the image-scanning device of claim 1 is characterized in that may further comprise the steps:
(a) make light signal processing device be positioned at an initial position, the indicia patterns that is full of the first color color lump that is positioned on the scanning platform is carried out image pick-up operation;
(b) this indicia patterns is crossed in horizontal scanning, obtains indicia patterns and the light signal processing device first reference point coordinate position and the second reference point coordinate position on the boundary, second color background zone of original position;
(c) utilize the first reference point coordinate position, the second reference point coordinate position and with indicia patterns on the coordinate position of funtcional relationship acquisition specified point between the specified point position;
(d) light signal processing device set by step (c) specified point coordinate position of being obtained and the specified point preset length vector that points to scan start point move, and be positioned the enterprising line scanning of this scan start point fast.
7. the method for rapidly positioning of image scanning according to claim 6, it is characterized in that: the indicia patterns in the described step (a) is a triangle black color lump, and described step (b) is that horizontal scanning is crossed this triangle black color lump and white background formed two boundary lines in zone and obtained the first reference point coordinate position and the second reference point coordinate position when carrying out image pick-up operation by light signal processing device.
8. according to the method for rapidly positioning of claim 6 or 7 described image scannings, it is characterized in that: formed two boundary lines in described triangle black color lump and white background zone are to have joining and angle is two line segments of 45 degree, wherein a line segment is parallel with the moving direction of light signal processing device, joining is exactly a specified point, and described preset length vector is the vector of joining to described scan start point.
9. according to the method for rapidly positioning of claim 6 or 7 described image scannings, it is characterized in that: to be the first reference point coordinate position equal length to the vector of joining to the funtcional relationship in the described step (c) is the distance between two reference point and direction is the vector that is parallel to described light signal processing device moving direction.
10. according to the method for rapidly positioning of claim 6 or 7 described image scannings, it is characterized in that: described step (a) is to make image pick-up device in the light signal processing device be positioned at original position diabolo black color lump to carry out image pick-up operation; Described step (b) is described two line segments of horizontal scanning, obtains first, second reference point coordinate position and distance therebetween; Described step (c) is to utilize funtcional relationship to obtain the coordinate position of joining; Described step (d) is to be moved by joining coordinate position and preset length vector by the image pick-up device in the light signal processing device, is positioned scan start point fast and begins to scan.
11. image-scanning device, comprise that one begins to move to a direction from reference position, be used to pick up document image to be scanned and be converted to light signal processing device and scanning platform that is used to put file to be scanned that numerical data is handled, described scanning platform is provided with an one scan starting point and an indicia patterns that is positioned on the described light signal processing device moving direction, it is characterized in that: described indicia patterns is arranged on the original position of described light signal processing device, has specified point on the indicia patterns, indicia patterns has the first reference point coordinate position and the second reference point coordinate position when light signal processing device carries out image pick-up operation to it, first, have funtcional relationship between the coordinate position of specified point in the coordinate position of second reference point and the indicia patterns, it is the preset length vector that specified point points to described scan start point.
12. image-scanning device according to claim 11, it is characterized in that: described indicia patterns is one to be full of the color lump of first color, be arranged on described light signal processing device in one second color background zone of original position, when indicia patterns was carried out image pick-up operation at light signal processing device to it, the intersection in the indicia patterns and the second color background zone had the first reference point coordinate position and the second reference point coordinate position.
13. image-scanning device according to claim 11 is characterized in that: described indicia patterns is a triangle black color lump, and the described second color background zone is the white background zone; The described first reference point coordinate position and the second reference point coordinate position are crossed formed two boundary lines of this triangle black color lump and white background zone by described light signal processing device horizontal scanning and are obtained.
14. according to claim 11 or 12 described image-scanning devices, it is characterized in that: described is to have joining and angle is two line segments of 45 degree by formed two boundary lines in triangle black color lump and described white background zone, and a line segment is parallel with the moving direction that device is buried at described light signal place; Joining is described specified point, and described preset length vector is the vector of joining to described scan start point.
15. image-scanning device according to claim 11 is characterized in that: described funtcional relationship is that to equal length be distance and direction and the parallel vector of described light signal processing device moving direction between two reference point to coordinate position to the vector of specified point of first reference point.
16. image-scanning device according to claim 11, it is characterized in that: described light signal processing device comprises and is used to pick up document image to be scanned and is converted to numerical data image pick-up device of handling and the drive unit that drives this image pick-up device that drive unit is connected with image pick-up device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00103466 CN1200391C (en) | 2000-03-13 | 2000-03-13 | Image scanner and quick locating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00103466 CN1200391C (en) | 2000-03-13 | 2000-03-13 | Image scanner and quick locating method |
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| CN1313571A true CN1313571A (en) | 2001-09-19 |
| CN1200391C CN1200391C (en) | 2005-05-04 |
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| CN 00103466 Expired - Fee Related CN1200391C (en) | 2000-03-13 | 2000-03-13 | Image scanner and quick locating method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413306C (en) * | 2002-12-23 | 2008-08-20 | 三星电子株式会社 | Method and appts. for scaning images |
| CN100447558C (en) * | 2005-03-30 | 2008-12-31 | 东捷科技股份有限公司 | Cross type laser positioning apparatus for liquid crystal substrate detection |
| CN100586142C (en) * | 2006-07-28 | 2010-01-27 | 佳能株式会社 | Image processing apparatus and method |
| CN102006383A (en) * | 2009-09-02 | 2011-04-06 | 精工爱普生株式会社 | Image processing apparatus, image processing method, and program |
| CN102006387A (en) * | 2009-09-02 | 2011-04-06 | 精工爱普生株式会社 | Image processing apparatus, image processing method, and program |
| CN101110942B (en) * | 2006-07-18 | 2011-12-14 | 富士施乐株式会社 | Remote instruction system and method |
| CN110847104A (en) * | 2019-10-25 | 2020-02-28 | 深圳市宝政通环境有限公司 | Road cleaning vehicle for cleaning small advertisements |
-
2000
- 2000-03-13 CN CN 00103466 patent/CN1200391C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413306C (en) * | 2002-12-23 | 2008-08-20 | 三星电子株式会社 | Method and appts. for scaning images |
| CN100447558C (en) * | 2005-03-30 | 2008-12-31 | 东捷科技股份有限公司 | Cross type laser positioning apparatus for liquid crystal substrate detection |
| CN101110942B (en) * | 2006-07-18 | 2011-12-14 | 富士施乐株式会社 | Remote instruction system and method |
| CN100586142C (en) * | 2006-07-28 | 2010-01-27 | 佳能株式会社 | Image processing apparatus and method |
| CN102006383A (en) * | 2009-09-02 | 2011-04-06 | 精工爱普生株式会社 | Image processing apparatus, image processing method, and program |
| CN102006387A (en) * | 2009-09-02 | 2011-04-06 | 精工爱普生株式会社 | Image processing apparatus, image processing method, and program |
| CN102006383B (en) * | 2009-09-02 | 2013-03-20 | 精工爱普生株式会社 | Image processing apparatus, image processing method |
| CN102006387B (en) * | 2009-09-02 | 2013-03-27 | 精工爱普生株式会社 | Image processing apparatus, and image processing method |
| CN110847104A (en) * | 2019-10-25 | 2020-02-28 | 深圳市宝政通环境有限公司 | Road cleaning vehicle for cleaning small advertisements |
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| Publication number | Publication date |
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| CN1200391C (en) | 2005-05-04 |
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