CN110381223A - Device of image scanning - Google Patents
Device of image scanning Download PDFInfo
- Publication number
- CN110381223A CN110381223A CN201810330349.XA CN201810330349A CN110381223A CN 110381223 A CN110381223 A CN 110381223A CN 201810330349 A CN201810330349 A CN 201810330349A CN 110381223 A CN110381223 A CN 110381223A
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- CN
- China
- Prior art keywords
- scanning
- line style
- slide bar
- scan
- photosensitive element
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00795—Reading arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00795—Reading arrangements
- H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
- H04N1/00801—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity according to characteristics of the original
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Input (AREA)
Abstract
A kind of device of image scanning includes a linear light sources, a scan drive cell, a line style photosensitive element, a task driven unit and a processing unit.Wherein line style photosensitive element captures a tag images of object with regard to each scan position, and processing unit generates the elevation information of object according to the geometric deformation marked in tag images.Therefore, using simple linear light sources and the line style photosensitive element of high-res, that is, it can produce the scan-image with elevation information.
Description
Technical field
The present invention is a kind of related device of image scanning, especially a kind of device of image scanning of fechtable elevation information.
Background technique
Traditional image-scanning system be usually only capable of scanning one object flat image, and can not learn its apparent height or
Depth information.Therefore it provides a kind of image-scanning system of scanned object apparent height is the target that current pole need to make great efforts.
Summary of the invention
The present invention provides a kind of device of image scanning, is to be captured using single line style photosensitive element with regard to each scan position
One tag images of object, and according to the geometric deformation marked in tag images, generate the elevation information of object.Therefore, it utilizes
The line style photosensitive element of simple linear light sources and high-res, that is, can produce the scan-image with elevation information.
The device of image scanning of one embodiment of the invention is photosensitive comprising a linear light sources, a scan drive cell, a line style
Element, a task driven unit and a processing unit.Linear light sources provide the scanning that a line style light is irradiated in an object
Position, to form a label, wherein marking as a height change of object generates a geometric deformation.Scan drive cell is along one
Scanning direction drives linear light sources and multiple scan positions of object to relatively move.Line style photosensitive element is picked with regard to each scan position
Take a tag images of object.Task driven unit is connect with line style photosensitive element, and task driven unit is with regard to each scanning position
It sets along scanning direction in driving line style photosensitive element scanning label in a working range.Processing unit and line style photosensitive element are electrical
Connection, and processing unit, according to the geometric deformation marked in tag images, the height for generating each scan position of object is believed
Breath.
The schema elaborate appended by specific embodiment cooperation below, when being easier to understand the purpose of the present invention, skill
Art content, feature and its it is reached the effect of.
Detailed description of the invention
Fig. 1 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 2 is a schematic diagram, shows the tag images of one embodiment of the invention.
Fig. 3 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 4 is a schematic diagram, shows the tag images of one embodiment of the invention.
Fig. 5 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 6 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 7 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 8 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Fig. 9 is a schematic diagram, shows the device of image scanning of one embodiment of the invention.
Figure 10 is a schematic diagram, shows the device of image scanning of another embodiment of the present invention.
Figure 11 is a schematic diagram, shows the device of image scanning of another embodiment of the present invention.
Figure 12 is a schematic diagram, shows the device of image scanning of another embodiment of the present invention.
Description of symbols
10 linear light sources
20 scan drive cells
21 objects scan slide bar
30 line style photosensitive elements
40 task driven units
41 work slide bars
50 processing units
60 platforms
70 scanning light sources
A object
A1~A7, A122 scan position
D1, D2 offset
H1, H2 height value
L line style light
M working range
The scanning direction X
Y length direction
Z short transverse
Specific embodiment
It will be described various embodiments of the present invention below, and cooperate schema as illustration.Other than these are described in detail, this
Invention also can be widely performed in other embodiments, and substitution easily, modification, the equivalence changes of any embodiment are all wrapped
Containing within the scope of the invention, and it is subject to claim.In the description of specification, in order to there is reader to the present invention
More completely understand, provides many specific details；However, the present invention may be in clipped or the premise of whole specific details
Under, it is still implementable.Moreover, it is well known that the step of or element be not described in details, to avoid to the present invention formed need not
The limitation wanted.Same or similar element will be indicated in schema with same or like symbol.It is specifically intended that schema is only
Signal is used, not the actual size of representation element or quantity, some details may not drawn completely, succinct in the hope of schema.
Please with reference to Fig. 1 and Fig. 2, in an embodiment, device of image scanning includes that a linear light sources 10, one scanning is driven
Moving cell 20, a line style photosensitive element 30, a task driven unit 40 and a processing unit 50.Linear light sources 10 provide a line
Type light L is irradiated in a scan position of an object A, to form a label P.For example, referring to figure 2., object A has more
A scan position A1~A7, if device of image scanning object A to be obtained in the apparent height information of scan position A4, i.e., with line style
Light source 10 provides line style light L and irradiates this scan position A4, and forms label P on the surface of object A.Additionally, by
In object A on the surface of scan position A4 for flat surfaces and without height change, it will thus be seen that falling in scanning just to label P
On the A4 of position, coincide no offset each other, that is, P is marked not yet to generate geometric deformation, as shown in Figure 2.Also, scan drive cell 20
It can relatively move along multiple scan position A1~A7 of a scanning direction X drive type light source 10 and object A, for example, sweep
Retouching driving unit 20 can be stepper motor.Therefore, the line style light L of linear light sources 10 can gradually irradiate each scanning of object A
Position A1~A7 also even has not so that line style photosensitive element 30 is with regard to a tag images Q of each scan position acquisition object A
K same scan position should obtain different K tag images Q, and wherein K indicates natural number.Expositor is needed, although general
Face type photosensitive element can also capture object image, and only the present invention is non-face type photosensitive element using line style photosensitive element, because
Line style photosensitive element has higher resolution, it is possible to provide good image processing basis sets to avoid face type photosensitive element in optics
Low-res defect on meter.In an embodiment, line style photosensitive element 30 includes a charge coupled cell (CCD) or complementary
Metal-oxide semiconductor (MOS) (CMOS), but not limited to this.Then, device of image scanning can obtain object A and sweep in different
The apparent height information of position is retouched, detailed operation principle is described as follows.
Please with reference to Fig. 3 and Fig. 4, if device of image scanning object A to be obtained is in the apparent height of scan position A122
Information provides line style light L with linear light sources 10 and irradiates this scan position A122, and form label P on the surface of object A.
In an embodiment, line style light L be invisible ray, such as: line style light L be infrared light, and formed with generally it is visible
The diacritic label P of light source.In another embodiment, line style light L also can be luminous ray, be still available for subsequent images processing simultaneously
Acquire object elevation information.From the figure 3, it may be seen that object A is in the surface of scan position A122 tool, there are two height value H1, H2, therefore
Can be observed line style light L be projected in surface be formed by label P will generate a geometric form with the height change of object A
Become, rather than coincide in the single straight line on scan position A122, as shown in figure 4, label P is deviated to the right and had 2 offsets
Measure D1, D2.
Expositor is needed, if line style photosensitive element 30 is located at the surface of scan position A122, can only capture label P's
Partial image possibly can not observe the integrity profile of label P.In order to capture cover the tag images Q of complete label profile with
It for subsequent images processing, needs to connect through task driven unit 40 and drives line style photosensitive element 30, for example, work is driven
Moving cell 40 can be stepper motor, and task driven unit 40 along scanning direction X in a working range M drive the photosensitive member of line style
The scanning label of part 30 P.In an embodiment, as shown in figure 4,3 scanning before and after scan position A122 of task driven unit 40
In the working range M of position, along 30 scanned object of scanning direction X drive type photosensitive element, to obtain comprising complete label P
Tag images Q.In an embodiment, referring to figure 5., task driven unit 40 further includes a work slide bar 41, wherein line style sense
Optical element 30 can be set on work slide bar 41 with moving back and forth, and the length for the slide bar 41 that works is greater than or equal to working range M
Along the width of scanning direction X, captured tag images Q is made to cover the overall profile of label P.In another embodiment, line style
Light source 10 also may be disposed on work slide bar 41, as shown in Figure 7.Supplementary explanation person, the size of working range M be not former
3 scan positions are limited afterwards, also may include the multiple scan positions in front and back 4,5,10,20 or any number of, have usual knowledge
Person, which works as, can voluntarily modify transformation.
Please continue to refer to Fig. 3 and Fig. 4, processing unit 50 and line style photosensitive element 30 are electrically connected, and are received and come from line style
Multiple line scan-images that photosensitive element is captured, to be spliced into a tag images Q.In addition, processing unit 50 is according to label shadow
Geometric deformation as marking P in Q generates object A in an elevation information of scan position A122.In an embodiment, label
Geometric deformation includes the offset of label；For example, referring to figure 4., label P is along scanning direction X relative to scan position
A122 has 2 offsets D1, D2.In another embodiment, referring to figure 3., since linear light sources 10 are oblique relative to object A
To setting, therefore label P caused by the line style light L of oblique projection will generate geometric form with the height change of object A
Become, and marks P in a linear relationship relative to the offset and object A apparent height of scan position, therefore, 50 foundation of processing unit
The linear relationship of the height change of the geometric deformation and object that mark P, can calculate the height of object surface in scan position
Information；For example, processing unit 50 can calculate object A on scan position A122 by marking 2 offsets D1, D2 of P
2 height values H1, H2, also it can be learnt that its elevation information includes 2 height values H1, H2, rather than flat surfaces.
According to above-mentioned working principle, scan drive cell 20 can be again along scanning direction X drive type light source 10 and object A
Relative movement makes the line style light L of linear light sources 10 irradiate next scan position of object A, to carry out subsequent images processing stream
Journey.For the working time needed for shortening device of image scanning, in an embodiment, linear light sources 10 can be multiple linear light sources
Or the single light source of a plurality of light is disposably generated, a plurality of label can be formed disposably for scanning, that is, institute's shape on object A
At label P belong to a kind of structural label, to shorten the scanning work time.
It is understood that device of image scanning can obtain its apparent height letter for multiple scan positions of sweeping of object A
Breath, so that user carries out various utilizations.In an embodiment, processing unit 50 can by multiple elevation informations of object A with sweep
Resulting flat image is retouched to combine, such as: mapping (mapping) multiple elevation informations of processing unit 50 to flat image, i.e.,
It can produce the scan-image with elevation information.For example, Fig. 9 is please referred to, device of image scanning further includes a scanning light source
70, and scanning light source 70 provides an illuminating ray N and irradiates object A, so that line style photosensitive element 30 captures the flat image of object,
Such as: illuminating ray N can be luminous ray, but not limited to this.Then, processing unit 50 maps elevation information to flat image,
It can produce the flat image with elevation information or further generate a 3-dimensional image, but not limited to this, in the relevant technologies
Hold it has been observed that this is not repeated here.
Expositor is needed, the working method of the scan drive cell 20 of device of image scanning of the invention is not with above-described embodiment
It is limited, illustrates its related embodiment below.In an embodiment, Fig. 6 is please referred to, scan drive cell 20 further includes an object and sweeps
Slide bar 21 is retouched, wherein linear light sources 10 are movably arranged on object scanning slide bar 21, and scan drive cell 20 drives line
Type light source 10 is moved along scanning direction, and the line style light L of linear light sources 10 is made gradually to irradiate each scan position of object A, phase
Technology contents are closed as aforementioned.In another embodiment, Fig. 7 is please referred to, task driven unit 40 further includes a work slide bar 41
It is movably arranged on object scanning slide bar 21, wherein line style photosensitive element 30 can be set to work slide bar 41 with moving back and forth
On, and the length for the slide bar 41 that works is greater than or equal to working range M along the width of scanning direction, the relevant technologies content is as before
It states.In an embodiment, object scanning slide bar and work slide bar can more be integrated into one, to save mechanism design space, please refer to
Fig. 8, task driven unit 40 are connect with object scanning slide bar 21, and line style photosensitive element 30 is movably arranged at object scanning
On slide bar 21, that is, task driven unit 40 by object scanning slide bar 21 as work slide bar come using.Supplementary explanation person, in portion
Divide in embodiment, scan drive cell and task driven unit can also be integrated into one, and this is not repeated here, have usually intellectual
When can voluntarily modify transformation, but not limited to this.
Different from aforementioned turntable driving mode, scan drive cell can also drive object to be scanned to realize the mesh of scanning
's.In an embodiment, Figure 10 is please referred to, device of image scanning further includes a platform 60, and wherein object A is set to platform 60
On.Scan drive cell 20 is connect with platform 60, and scan drive cell 20 drives platform 60 to move along scanning direction.According to upper
Working principle is stated, scan drive cell 20 can drive multiple scan positions of object A along scanning direction, make the line of linear light sources 10
Type light L gradually irradiates each scan position of object A, and then line style photosensitive element 30 captures corresponding in working range M
Tag images, detailed technology content is it has been observed that this is not repeated here.In an embodiment, Figure 11, task driven are please referred to
Unit 40 further includes a work slide bar 41, and wherein line style photosensitive element 30 can be set on work slide bar 41 with moving back and forth, and
The length of work slide bar 41 is greater than or equal to working range M along the width of scanning direction X, covers captured tag images Q
Entire label P.In another embodiment, linear light sources 10 also be may be disposed on work slide bar 41, as shown in figure 12.The relevant technologies
Content and embodiment are it has been observed that this is not repeated here.
In summary, device of image scanning of the invention is using single line style photosensitive element with regard to each scan position
A tag images of object are captured, and according to the geometric deformation marked in tag images, generate the elevation information of object.Therefore,
It can avoid low-res defect of the type photosensitive element in face in optical design, to improve scanning accuracy.In addition, the present invention utilizes
Simple linear light sources save optical design space and simple light to generate optical markings, can also reduce element production cost,
It has many advantages as aforementioned.
Embodiment described above is only technical idea and feature to illustrate the invention, and purpose makes art technology
Personnel can understand the content of the present invention and implement it accordingly, when that cannot limit scope of patent protection of the invention with this, i.e., generally
According to equivalent change made by disclosed spirit or modification, should cover in scope of patent protection of the invention.
Claims (10)
1. a kind of device of image scanning, includes:
One linear light sources, the scan position for being irradiated in an object to provide a line style light wherein should with forming a label
Label generates a geometric deformation with a height change of the object；
One scan drive cell, to drive the linear light sources opposite with multiple scan positions of the object along a scanning direction
It is mobile；
As soon as line style photosensitive element captures a tag images of the object to each scan position；
One task driven unit is connect with the line style photosensitive element, to just each scan position along the scanning direction in one
The line style photosensitive element is driven to scan the label in working range；And
One processing unit is electrically connected, to the geometric form according to the label in the tag images with the line style photosensitive element
Become, generates an elevation information of each scan position of the object.
2. device of image scanning as described in claim 1, which is characterized in that it is sliding that the task driven unit further includes a job
Bar, wherein the line style photosensitive element can be set on the work slide bar with moving back and forth, and the length of the work slide bar be greater than or
Equal to the working range along the width of the scanning direction.
3. device of image scanning as claimed in claim 2, which is characterized in that the linear light sources are set on the work slide bar.
4. device of image scanning as described in claim 1, which is characterized in that the scan drive cell further includes object scanning
Slide bar, wherein the linear light sources are movably arranged on object scanning slide bar, and the scan drive cell drives the line style
Light source is moved along the scanning direction.
5. device of image scanning as claimed in claim 4, which is characterized in that the task driven unit further includes a work slide bar
It is movably arranged on object scanning slide bar, wherein the line style photosensitive element can be set to the work slide bar with moving back and forth
On, and the length of the work slide bar is greater than or equal to the working range along the width of the scanning direction.
6. device of image scanning as claimed in claim 4, which is characterized in that the task driven unit and the object scan slide bar
Connection, and the line style photosensitive element is movably arranged on object scanning slide bar.
7. device of image scanning as described in claim 1, which is characterized in that also include:
One platform is connect with the scan drive cell, and wherein the object is set on the platform, and the scan drive cell drives
The platform is moved along the scanning direction.
8. device of image scanning as described in claim 1, which is characterized in that also include:
One scanning light source irradiates the object to provide an illuminating ray, so that the line style photosensitive element captures the one of the object
Flat image, wherein Process element mapping elevation information to the flat image.
9. device of image scanning as described in claim 1, which is characterized in that the geometric deformation includes the label along the scanning side
To the offset relative to the scan position.
10. device of image scanning as described in claim 1, which is characterized in that the linear light sources be multiple linear light sources, with
The label is formed on the object, and should be labeled as a structural label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330349.XA CN110381223A (en) | 2018-04-13 | 2018-04-13 | Device of image scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330349.XA CN110381223A (en) | 2018-04-13 | 2018-04-13 | Device of image scanning |
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| Publication Number | Publication Date |
|---|---|
| CN110381223A true CN110381223A (en) | 2019-10-25 |
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| CN201810330349.XA Pending CN110381223A (en) | 2018-04-13 | 2018-04-13 | Device of image scanning |
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Citations (4)
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|---|---|---|---|---|
| JPH07226822A (en) * | 1994-02-15 | 1995-08-22 | Fuji Xerox Co Ltd | Position measurement method for image pickup element in image pickup element optical unit |
| CN101004389A (en) * | 2006-01-18 | 2007-07-25 | 宝山钢铁股份有限公司 | Method for detecting 3D defects on surface of belt material |
| CN102245340A (en) * | 2008-10-10 | 2011-11-16 | Jp赛席尔联合股份有限公司 | Laser machining systems and methods with vision correction and/or tracking |
| TWM544742U (en) * | 2017-03-21 | 2017-07-01 | 全友電腦股份有限公司 | Image scanning apparatus |
-
2018
- 2018-04-13 CN CN201810330349.XA patent/CN110381223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07226822A (en) * | 1994-02-15 | 1995-08-22 | Fuji Xerox Co Ltd | Position measurement method for image pickup element in image pickup element optical unit |
| CN101004389A (en) * | 2006-01-18 | 2007-07-25 | 宝山钢铁股份有限公司 | Method for detecting 3D defects on surface of belt material |
| CN102245340A (en) * | 2008-10-10 | 2011-11-16 | Jp赛席尔联合股份有限公司 | Laser machining systems and methods with vision correction and/or tracking |
| TWM544742U (en) * | 2017-03-21 | 2017-07-01 | 全友電腦股份有限公司 | Image scanning apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 於文雪: "基于扫描图像标尺的序列图像归一化方法", 《电子学报》 * |
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Application publication date: 20191025 |