CN202261533U - High-speed wide-breadth microscopic image acquisition system - Google Patents
High-speed wide-breadth microscopic image acquisition system Download PDFInfo
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- CN202261533U CN202261533U CN2011203277003U CN201120327700U CN202261533U CN 202261533 U CN202261533 U CN 202261533U CN 2011203277003 U CN2011203277003 U CN 2011203277003U CN 201120327700 U CN201120327700 U CN 201120327700U CN 202261533 U CN202261533 U CN 202261533U
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Abstract
The utility model provides a high-speed wide-breadth microscopic image acquisition system which comprises an objective table, a support, a plurality of magnifier lenses and a plurality of charge coupled device (CCD) vidicons. A support rod is fixed on the objective table, the CCD vidicons are arranged on the support rod, and the CCD vidicons are equidistantly arranged with one another in the manner of a matrix; each CCD vidicon is externally provided with one magnifier lens, each magnifier lens is externally covered with a light source, and the CCD vidicons are connected with a computer; and the types of the CCD vidicons and the magnifier lenses are as the same and are modulated to be the same resolution ratio. When a file is tile paved on the objective table for acquiring a microscopic image, each CCD vidicon automatically, sequentially and continuously acquires a plurality of local microscopic images under each lens, and the computer joints the acquired local microscopic images into a whole microscopic enlarged image so as to realize the quick image acquisition from the local detail to the whole. The system is used for the fields such as public security, court physical evidence, image analysis, biomedicine diagnosis, production monitoring, and the like.
Description
Technical field
The utility model relates to a kind of high speed large format micro image collection system; Specifically a kind ofly printing or printed text, certificate, seal, historical relic, books, biometric image, medical image, workpiece image are carried out fast the device that whole micro-amplification is gathered.
Background technology
Whether inspection of document instrument is used for document of identify (certificate, seal, historical relic etc.) by forgery, correction, and the source of file is assert.Inspection of document instrument has multiple to the technological means that checked object carries out observation analysis; The inspection of document instrument that has is observed under multiband spectrum and the sign of erasure of analytical control file; The composition of ink/toner on use chemistry that has and the spectrum means analysis file, the local detail of the inspection of document instrument microexamination checking file under magnifying glass that has.Through under magnifying glass, observing the checking file micro-image, be inspection of document means the most commonly used.Many files (certificate, seal, historical relic etc.) of check that need are more or less the same under perusal, but under the microscope amplification is observed, just show evident difference.Observe through micro-amplification; The mimeograph documents of different printers are in the ink powder bulk density; Edge ink powder splash all has tangible difference on the edge-smoothing degree, the many print defects that can describe the mimeograph documents individual character also only just can be observed under micro-amplification.General office is fuzzyyer with the high-resolution pictures of scanner, does not reach the requirement of inspection of document observation, therefore must utilize microlens to carry out inspection of document observation.But simply utilize the micro magnifier head to carry out file observation and have various problems.The enlarging lens visual field is little, though can observe minutia more clearly, once can only observe the part of character stroke in the file, and inspection of document personnel can't observe the configuration of enlarged character, and observed image can't be relatively whole.Part Study personnel improve the micro image collection instrument; Utilize two-dimension translational platform delivery ccd video camera continuous acquisition local micro-image; Then local microscopic image is spliced into whole enlarged image; This method can obtain whole enlarged image, but translation stage moves and splicing can consume the plenty of time.Therefore, the testing instruments that need that development is easy and simple to handle, automaticity is high, can gather the large format micro-image fast satisfy the demand of inspection of document industry.
Summary of the invention
In order to overcome the little deficiency in the existing microscopic examination visual field, the utility model provides a kind of high speed large format micro image collection system, is a kind of integral image high speed magnified sweep system, realizes the integral body of image is carried out micro-fast magnified sweep.This system illuminates by altimetric image with fixing light source, makes the influence that is not received indoor light by altimetric image; Use a plurality of ccd video cameras to be arranged on the support, and be placed on the objective table top through propping up by fixed matrix; After objective table was placed the observation file, each ccd video camera was gathered the micro-enlarged image of appointed area automatically, and image is saved in the computer; The local micro-enlarged image that at last each ccd video camera is collected is spliced into the complete whole image, so that come observed image from whole or different local visuals.
Realize that the technical scheme that the utility model purpose adopts is:
A kind of high speed large format micro image collection system, this system comprises objective table. computer, cradling piece, ccd video camera. and enlarging lens and light source; Cradling piece is fixed on the objective table; A plurality of ccd video cameras are by arranged, and base is connected with cradling piece through connecting rod, and connecting rod is fixed on the cradling piece by universal bridge; The ccd video camera camera lens is towards objective table; All ccd video cameras are connected with computer through data wire, and light source is enclosed within the periphery of enlarging lens, and enlarging lens is connected through bayonet socket with the ccd video camera camera lens.
Described light source is the annular LED light source, and the annular LED light source is lined up annular by the LED of a plurality of whites, and it is outside and be screwed on enlarging lens to be enclosed within enlarging lens.The annular LED light source is lined up annular by the LED of many whites, to illuminate by altimetric image, makes ccd video camera pickup area light even.Led light source is equipped with independently power supply, and power-supply controller of electric can be regulated the intensity of illumination of LED, thinks that IMAQ provides sufficient light.The micro magnifier head is connected on the front end of ccd video camera, adjustable focal length.Annular LED light source, enlarging lens, ccd video camera serial link to each other, and ccd video camera is connected with computer through data wire.
Ccd video camera is uniformly-spaced arranged by matrix form, and high being fixed on the support such as level.Ccd video camera and enlarging lens are same model, and through being modulated to same resolution.The ccd video camera array position is fixed, and each ccd video camera is arranged by the uniform distances matrix form, and there is lap at the local displaing micro picture edge of each ccd video camera collection, becomes whole displaing micro picture through setting the quick splicing of splice point.The splice point of adjacent partial can be measured when device initialize; When gathering large area image later on, need not recomputate splice point, adjacent partial is directly by the splice point splicing that is provided with at every turn; Significantly to reduce the splicing time, realize the quick collection of whole micro-image.Ccd video camera links to each other with computer with the USB mouth through data wire, and any ccd video camera images acquired of computer-controllable system is also preserved.Through the computer software setting, select to gather the position and the number of the ccd video camera of picture, can regulate the position and the size in micro image collection zone.
After file to be observed was placed into objective table, computer was according to the position of the size selection ccd video camera of area-of-interest, and the control ccd video camera is automatically gathered local microscopic image successively; After the local microscopic image finishing collecting, computer is spliced into whole micro-enlarged image with the partial enlarged drawing picture that collects by setting splice point, to realize multiple dimensioned observation of image and the analytical control from the local detail to integral body.
The utility model carries out whole high power magnified sweep to printing or printed text, certificate, seal, historical relic, books, biometric image, medical image, workpiece image etc., is used for fields such as public safety, court exhibits field, graphical analysis, biomedical diagnostic, production monitoring.The utility model is simple in structure; Easy to use, only need image to be scanned is placed on the objective table, through position and the quantity that the work ccd video camera is set; The control ccd video camera is gathered the micro-enlarged image of relevant position file successively; Realize the scanning of ccd video camera, and the micro-enlarged image that will gather is stored in the computer, several subregion images of the printable character of continuous acquisition are spliced image; Obtain complete character enlarged image, realize the multi-angle observation from the local detail to the integral image.The method of topography's splicing that a plurality of ccd video cameras are gathered has not only extracted the information of picture of large image scale, and according to top splice point stitching image, has reduced computing time, has improved splicing speed.
The utlity model has following characteristics:
1) utilizes several subregion images of ccd video camera array continuous acquisition image, and splice fast, obtain whole enlarged image, realize the multi-angle observation from the local detail to the integral image.
2) the ccd video camera array position is fixed, and image mosaic can adopt the fixedly splice point of setting, has omitted the images match process, and the splicing elapsed time is few.
3) can finely tune splice point through improved image correlation matching algorithm.Because the ccd video camera array position is fixed, the splice point hunting zone is little, and is consuming time few.
4) the utility model has been realized the quick collection of large format micro-image.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the structural representation of the utility model
Among the figure: 1-objective table, 2-computer, 3-cradling piece, the universal bridge of 4-, 5-connecting rod, 6-CCD video camera, 7-enlarging lens, 8-light source, 9-data wire.
Fig. 2 is the ccd video camera array sketch map of uniformly-spaced arranged
The local microscopic image that the adjacent part that Fig. 3 collects for the ccd video camera array overlaps
Embodiment
The structure of the utility model high speed large format micro image collection system is shown in accompanying drawing 1; This system comprises ccd video camera array 6 and objective table 1; Be fixed with cradling piece 3 on the objective table 1, ccd video camera 6 is housed on the cradling piece 3, a plurality of ccd video cameras 6 are by arranged; Computer 2 connects through data wire 9 and control ccd video camera array; The base of ccd video camera array is connected with cradling piece 3 through connecting rod 5, and connecting rod 5 is fixed on the cradling piece by universal bridge 4, regulates the height of ccd video camera 6 apart from objective table 1 through the position of regulating universal bridge 4; Light source 8 is enclosed within the periphery of enlarging lens 7 for the annular LED light source, and enlarging lens 7 and ccd video camera 6 are connected through bayonet socket, and ccd video camera 6 is connected with computer 2.The annular LED light source is lined up annular by a plurality of whites and/or colored LED, and it is outside and be screwed on enlarging lens to be enclosed within camera lens.The annular LED light source is lined up annular by the LED of many whites (or colored), to illuminate checking file, makes ccd video camera pickup area light even.The micro magnifier head is connected on the front end of ccd video camera, adjustable focal length.Annular LED light source, enlarging lens, ccd video camera serial link to each other, and the CCD camera of picking up is connected with the USB interface of computer 2 through data wire 9.
Ccd video camera links to each other with computer with the USB mouth through data wire, and any ccd video camera images acquired of computer-controllable system is also preserved.Through the computer software setting, select to gather the position and the number of the ccd video camera of picture, can regulate the size in micro image collection zone.The software control ccd video camera array gatherer process of computer through writing.The operation that can be provided with has: ccd video camera array collection direction setting, ccd video camera array acquisition order are set, splice point calculating is set etc.
Before carrying out IMAQ; Image is placed on the objective table 1; And be positioned at the below of ccd video camera 6 camera lenses; The height of illumination brightness, micro-multiplication factor, ccd video camera, the horizontal and vertical step-length and the step number of stepping motor are transferred to proper states, make the file micro-image can clear demonstration on computer display.According to the size and the position of area-of-interest in the file, the work of appropriate C CD video camera is selected in computer installation.After gathering beginning, the micro-document image under selected ccd video camera is gathered by the setting order successively.After selected ccd video camera traversal is gathered the file area of complete appointment, obtain the micro-enlarged image in some parts of appointed area, splice automatically, obtain the whole micro-enlarged image of a width of cloth appointed area through image.By the micro-enlarged image and splicing complete being kept in the computer in back of CCD collection, so that on the whole image is carried out analytical control at document image.
Because the visual field of micro magnifier head is less, once can only observe the local detail that collects printable character through a ccd video camera.Automatically splice through image, obtain the whole micro-enlarged image of a width of cloth appointed area, facilitate on the whole image is carried out analytical control.Because the ccd video camera array position is fixed, image mosaic can adopt the fixedly splice point of setting; In addition, also can finely tune splice point through improved image correlation matching algorithm.Because the adjacent subimage edge region of the utility model collection has superposed part, therefore the image of obtaining identical size area of the edge part in adjacent sub-images carries out relevant matches.When coefficient correlation reached maximum, expression had reached the optimal registration point.When selecting matching area, if the zone is too small, matching result possibly be the local optimum value, causes the mistake coupling; If the zone is excessive, then amount of calculation increases.The utility model is horizontal and vertical with same step-length sampling to the selection area image, obtains the image pixel sampling matrix of matching area.Two regional pixel sampling matrixes of adjacent (horizontal or vertical) doubling of the image are carried out relevant matches calculate coefficient correlation, the relative position of two width of cloth adjacent images calculates match point when utilizing coefficient correlation maximum, and carries out image mosaic.This method has extracted the information of picture of large image scale, has avoided the mistake coupling, has reduced computing time again, has improved splicing speed.
The utility model utilizes several subregion images of ccd video camera array continuous acquisition image; And splice fast; Obtain whole enlarged image, realize the multi-angle observation from the local detail to the integral image, be applicable to high speed microscopic observation and check document image.
Claims (5)
1. high speed large format micro image collection system, it is characterized in that: this system comprises objective table (1). computer (2), cradling piece (3), ccd video camera (6). and enlarging lens (7) and light source (8); Cradling piece (3) is fixed on the objective table (1); A plurality of ccd video cameras (6) are by arranged, and base is connected with cradling piece (3) through connecting rod (5), and connecting rod (5) is fixed on the cradling piece (3) by universal bridge (4); Ccd video camera (6) camera lens is towards objective table; All ccd video cameras (6) are connected with computer (2) through data wire (9), and light source (8) is enclosed within the periphery of enlarging lens (7), and enlarging lens (7) is connected through bayonet socket with ccd video camera (6) camera lens.
2. high speed large format micro image collection according to claim 1 system, it is characterized in that: described light source (8) is the annular LED light source, lines up annular by a plurality of whites and/or colored LED.
3. high speed large format micro image collection according to claim 1 system, it is characterized in that: described light source (8) is the annular LED light source, lines up annular by the LED of a plurality of whites, it is outside and be screwed on enlarging lens to be enclosed within enlarging lens (7).
4. integral image high power magnified sweep according to claim 1 system, it is characterized in that: all ccd video cameras (6) are same model, and all enlarging lens (7) are same model, and same resolution is arranged.
5. integral image high power magnified sweep according to claim 1 system, it is characterized in that: the ccd video camera array position is fixed, and each ccd video camera is arranged by the uniform distances matrix form; There is lap at the local displaing micro picture edge of each ccd video camera collection, becomes whole displaing micro picture through setting the quick splicing of splice point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203277003U CN202261533U (en) | 2011-09-02 | 2011-09-02 | High-speed wide-breadth microscopic image acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203277003U CN202261533U (en) | 2011-09-02 | 2011-09-02 | High-speed wide-breadth microscopic image acquisition system |
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| CN202261533U true CN202261533U (en) | 2012-05-30 |
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| CN2011203277003U Expired - Fee Related CN202261533U (en) | 2011-09-02 | 2011-09-02 | High-speed wide-breadth microscopic image acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702813A (en) * | 2015-02-11 | 2015-06-10 | 杭州载力科技有限公司 | Multi-CCD spliced scanning mechanism and image processing method through same |
| CN105115979A (en) * | 2015-09-09 | 2015-12-02 | 苏州威盛视信息科技有限公司 | Image mosaic technology-based PCB working sheet AOI (Automatic Optic Inspection) method |
| CN107796814A (en) * | 2017-10-19 | 2018-03-13 | 苏州泽科生物科技有限公司 | Matrix form sequential image acquisition analysis system |
-
2011
- 2011-09-02 CN CN2011203277003U patent/CN202261533U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702813A (en) * | 2015-02-11 | 2015-06-10 | 杭州载力科技有限公司 | Multi-CCD spliced scanning mechanism and image processing method through same |
| CN105115979A (en) * | 2015-09-09 | 2015-12-02 | 苏州威盛视信息科技有限公司 | Image mosaic technology-based PCB working sheet AOI (Automatic Optic Inspection) method |
| CN107796814A (en) * | 2017-10-19 | 2018-03-13 | 苏州泽科生物科技有限公司 | Matrix form sequential image acquisition analysis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140902 |
|
| EXPY | Termination of patent right or utility model |