CN202854941U - Variable color fiber or printing ink detecting and discriminating device - Google Patents
Variable color fiber or printing ink detecting and discriminating device Download PDFInfo
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- CN202854941U CN202854941U CN2012204441480U CN201220444148U CN202854941U CN 202854941 U CN202854941 U CN 202854941U CN 2012204441480 U CN2012204441480 U CN 2012204441480U CN 201220444148 U CN201220444148 U CN 201220444148U CN 202854941 U CN202854941 U CN 202854941U
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Abstract
The utility model relates to a variable color fiber or printing ink detecting and discriminating device which includes a power supply module, a bill chamber module, an acousto-optic alarm module, a camera module, a display module, a light source module, a button input module, and a control module. The light source module includes a top light source, a bottom light source and a side light source. The control module receives an input signal of the button input module, and automatically turns on or off the corresponding top light source, the bottom light source or the side light source according to a corresponding period so as to store and display an image shot by the camera module under the corresponding light source on the display module. According to the shape, the curvature, and the variable color characteristic of the variable color fiber or the printing ink, the variable color fiber or printing ink detecting and discriminating device can distinguish the true from the false through the entire or local image artificial or automatic comparison, and can also store the shot image which is under a different light source and is shot from a different direction, automatically discriminate and compare the shot image with a standard image, and prompt a different comparison result in an acousto-optic alarm mode. The device is easy to operate and is reliable and comprehensive in comparison.
Description
Technical field
The utility model relates to a kind of detection and identification device, particularly the detection and identification device of a kind of chameleon fibre silk or printing ink anti-counterfeiting characteristic.
Background technology
False proof for paper printing things such as the bill that valency is arranged, tickets, a lot of companies have developed filament or the printing ink with colour change function.This filament has the variable color feature under specific shape, curvature and the special light photograph, and can add to randomly in the paper pulp; The difference of this printing ink and common ink is, and is high-visible and present a kind of color under visible light, and under the other light sources irradiation, becomes invisible or present another color.
2010 editions bank moneys that China's circulation is used have just adopted a kind of chameleon fibre silk, when its front excites in the purple light irradiation, present redness or blue feature, when reverse side excites in the purple light irradiation, present blueness or red feature; Also adopted a kind of false proof invisible printing ink, when visible white light the bill front has been shone when exciting, its number, bezel, cluster line etc. presents black, and when the infrared light of 850nm shines when exciting the bill front, the number that it is corresponding and bezel, cluster line etc. becomes invisible.The application of this false proof chameleon fibre silk or color shifting ink has improved the anti-counterfeit capability of banks of China bill widely.
Obviously, if need to the true and false of 2010 editions bank money chameleon fibre silks or color shifting ink be detected and differentiate, the chameleon fibre silk that just must adopt according to 2010 editions bills or the variable color characteristics of color shifting ink and to the requirement of exciting irradiation light source, and the double-colored filament of bill or the distinctive shape of printing ink, curvature etc. design corresponding detection and identification device.
The utility model content
The utility model purpose just is to provide a kind of shape according to chameleon fibre silk or printing ink, curvature and color-changing anti-counterfeit feature to come the device of detection and identification bill or ticket, certificate.
For achieving the above object, the technical scheme that the utility model provides is: the detection and identification device of a kind of chameleon fibre silk or printing ink, comprise power module 1, ticket storehouse module 5, the sound and light alarm module, also comprise camera module 2, display module 3, light source module 4, keyboard input module 6, control module 7, described light source module 4 comprises the top light source, end light source and side light source, described control module 7 receives the input signal of described keyboard input module 6, and automatically open or close corresponding described top light source with the corresponding cycle, end light source or side light source are stored the image that described camera module 2 under the respective sources photographs and be presented on the display module 3.
Alternatively, described top light source and end light source symmetry are installed on top and the bottom of ticket storehouse module 5, and described side light source is installed on the both sides of ticket storehouse module 5; Described top light source, end light source and side light source adopt single purple light light source, white light source or infrared light supply or adopt the combination of above-mentioned two or more light sources.
Alternatively, described keyboard input module 6 is the touch key-press on mechanical key or the display module 3, comprises the combination button of single purple light light source, white light source or infrared light supply button or above-mentioned two or more light sources.
Alternatively, described camera module 2 is installed in a side in top light source in the light source module 4.
Also alternatively, described sound and light alarm module is connected with control module 7, two width of cloth image ratios to the time, in identical with the not identical situation of feature, show respectively the result of different sound and light program prompting user comparisons.
The chameleon fibre silk that the utility model provides or the detection and identification device of printing ink can be according to shape, curvature and the variable color features of chameleon fibre silk or printing ink, by the full width image of bill or the artificial or automatic comparison of topography, the true and false of detection and identification bill; Can also store the photographic images of Different Light, different directions and carry out automatic discrimination ratio pair with standard picture, with the different comparison result of form prompting of sound and light alarm.This device is simple to operate, and comparison is comprehensively reliable.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
Chameleon fibre silk as shown in Figure 1 or the detection and identification device of printing ink, comprise power module 1, ticket storehouse module 5, sound and light alarm module, also comprise camera module 2, display module 3, light source module 4, keyboard input module 6, control module 7, light source module 4 comprises top light source, end light source and side light source, top light source and end light source symmetry are installed on top and the bottom of ticket storehouse module 5, and side light source is installed on the both sides of ticket storehouse module 5; Top light source, end light source and side light source adopt single purple light light source, white light source or infrared light supply or adopt the combination of above-mentioned two or more light sources.Camera module 2 is installed in a side in top light source in the light source module 4, comprise cmos image sensor or ccd image sensor, and matching used optical lens, can obtain the realtime graphic information of high-quality bill or ticket, store or be presented at display module 3.Display module 3 be 5.7 cun or more large scale, resolution more than or equal to the TFT digital liquid crystal screen of 800*480.Keyboard input module 6 is the touch key-press on mechanical key or the display module 3, comprises the combination button of single purple light light source, white light source or infrared light supply button or above-mentioned two or more light sources.Control module 7 is comprised of ARM or dsp processor and supporting internal memory, realizes needed coordination and control to modules and function.Control module 7 receives the input signal of keyboard input modules 6, and automatically opens or closes corresponding top light source, end light source or side light source with the corresponding cycle, and the image storage that camera module under the respective sources 2 is photographed and control display are on display module 3.The sound and light alarm module is connected with control module 7, two image ratios to the time, in identical with the not identical situation of feature, show respectively the result of different sound and light program prompting user comparisons.
Embodiment 1:
Present embodiment carries out the process of chameleon fibre silk true and false detection and identification as this device of example explanation employing to detect 2010 editions bank moneys.The double-colored filament of 2010 editions bank moneys has following variable color feature: during with the purple light light source irradiation, entire body shows red or blue when positive for same double-colored filament, and when reverse side during with the purple light light source irradiation, then entire body shows blue or red.When the user carries out the bill detection and identification, first bill is placed on ticket storehouse module 5, then press " purple light " button of one-touch load module 6, control module 7 is after receiving the signal of this key-press input, elder generation's other all light sources of autoshutdown, only open the purple light light source irradiation nominal value in the light source module 4 top light sources, because camera module 2 is positioned at top light source one side of light source module 4, what the user saw at display screen is that the purple light light source is from the image of certain position of front illuminated bill; After postponing certain hour, purple light light source in the control module 7 autoshutdown light source modules 4 top light sources, open simultaneously the purple light light source in the end light source, from the same position of the back side illuminaton bill of bill, the user sees the image of the back side under the purple light light source irradiation of bill same position at display screen.
Tenebrescent silk anti-counterfeiting characteristic according to 2010 editions bills, as long as in the change-over period of purple light light source about in the of, one or more tenebrescent silks are just in time arranged in the coverage of camera module 3, the user just can see that one or more tenebrescent silks are along with the cycle of purple light the light source up and down switches from display screen, its color is also blue by red stain periodically, perhaps reddened by indigo plant periodically, reflected truely and accurately the feature of tenebrescent silk.If its fluorescence silk do not possess discoloration or to become color not right, can be confirmed to be false tickets.
Judge further: in the above process of switching periodically purple light light source up and down, control module 7 is taken respectively the photo under the purple light light source at the bottom of photo under top purple light light source of storage and by camera module 2, the ARM of control module 7 or dsp processor carry out the pre-service such as color enhancement, binaryzation to two photos that obtain, and obtain two corresponding binaryzation pictures with color character.Compare by filament position, shape to above-mentioned two pictures, judge whether all fibres silk overlaps fully.If not what overlap, illustrate not to be the filament variable color, but monochromatic filament or employing colorless fluorescent ink printing filament, in this case, this device will be by the form of sound and light alarm, and prompting user is found suspicious forgery filament; If comparison result is all fibres silk all is to overlap fully, just the picture in wherein a width of cloth picture and the bill standard fibers filament shape in the control module 7, curvature, the color characteristic database, carry out automatic compare of analysis.If filametntary shape, curvature or color characteristic and standard are not inconsistent in the picture of finding when this time comparing to detect, the sound and light alarm module can be pointed out the user, finds suspicious forgery filament; If all comparison features are in full accord, then can be confirmed to be real double-colored filament, the sound and light alarm module can be pointed out the user, and this bill is true ticket.
This device can adopt dual mode to detect the chameleon fibre silk:
1, full width image automatic comparison: use the lower bill full width image that obtains of top purple light irradiation, with the lower full width image that obtains of bottom purple light irradiation, by image processing software to the double-colored filament at par discriminating of comparing.
2, topography's comparison: have two kinds of methods to detect.The first, light source module 4 are under the control of control module 7, and alternately open top part purple light and bottom purple light are observed the image on the display module 3, and mobile ticket is until stop the variable color feature that the observation filament is red, indigo plant replaces when finding double-colored filament; The second, light source control module are opened first top purple light or bottom purple light, mobile ticket then, the image on the observation display simultaneously, find the fluorescent fiber silk after, open again bottom purple light or top purple light, observe filametntary variable color feature.
Embodiment 2:
Present embodiment carries out the process of color shifting ink true and false detection and identification as this device of example explanation employing to detect 2010 editions bank moneys.The color shifting ink of 2010 editions bank moneys has following variable color feature: when the same color shifting ink shines with white light source when the front, clearly manifest certain visible color characteristic, when the infrared light light source irradiation is used in the front, the number and the bezel, cluster line that originally clearly show, invisible (stealth) becomes.When the user carries out the bill detection and identification, first bill is placed on ticket storehouse module 5, then press " Bai Hong " combination button of one-touch load module 6, control module 7 is after receiving the signal of this key-press input, elder generation's other all light sources of autoshutdown, only open the white light source irradiation nominal value in the light source module 4 top light sources, because camera module 2 is positioned at top light source one side of light source module 4, what the user saw at display screen is that white light source is from the image of certain position of front illuminated bill; After postponing certain hour, white light source in the control module 7 autoshutdown light source modules 4 top light sources, open simultaneously the infrared light supply in the top light source, from the same position of the front illuminated bill of bill, the user sees the image of front under the infrared light supply irradiation of bill same position at display screen.
Anti-counterfeiting characteristic according to the color shifting ink of 2010 editions bills, as long as one or polylith color shifting ink are just in time arranged in the coverage of camera module 3 in the change-over period of the white light source in a top light source and infrared light supply, the user just can see that the number of one or polylith color shifting ink printing or bezel, cluster line are along with the cycle switching of white light source and infrared light supply from display screen, also become periodically invisiblely by certain visible color characteristic, reflected truely and accurately the feature of invisible printing ink.If its printing ink does not possess stealthy performance or not exclusively stealthy, can be confirmed to be false tickets.Especially for number or bezel, cluster line, if having certain number or certain the segment table frame line can not be stealthy, illustrate that the number of its bill was altered, perhaps the corresponding amount of money of bezel, cluster was altered.This for guarantee bill itself whether sign and issue content true and reliable, tool is of great significance.
Judge further: in the above process of switching periodically white light source and infrared light supply in the top light source, control module 7 is taken respectively photo under white light source of storage and the photo under infrared light supply by camera module 2, the ARM of control module 7 or dsp processor carry out the pre-service such as color enhancement, binaryzation to two photos that obtain, and obtain two corresponding binaryzation pictures with color character.Compare by color shifting ink position, shape to above-mentioned two pictures, judge whether all color shifting inks overlap fully (if stealthy printing ink because the printing ink of a pictures is invisible, omits this step).If not what overlap, illustrate not to be the printing ink variable color, but two kinds of monochrome ink printings, in this case, this device will be by the form of sound and light alarm, and prompting user is found suspicious forgery color shifting ink; If comparison result is all color shifting inks all is to overlap fully, just the picture in wherein a width of cloth picture and the bill standard color shifting ink shape in the control module 7, curvature, the color characteristic database, carry out automatic compare of analysis (if invisible printing ink, carrying out automatic comparison with regard to that pictures and the normal pictures that directly have a visible color feature with printing ink).If shape, curvature or color characteristic and the standard of invisible printing ink are not inconsistent in the picture of finding when this time comparing to detect, the sound and light alarm module can be pointed out the user, finds suspicious forgery color shifting ink; If all comparison features are in full accord, then can be confirmed to be real color shifting ink, the sound and light alarm module can be pointed out the user, and this bill is true ticket.
This device can adopt dual mode to detect color shifting ink:
1, full width image automatic comparison: use the bill full width image that obtains under the white light of top, with the full width image that obtains under the 850nm Infrared irradiation of top, by image processing software to the color shifting ink at par discriminating of comparing.
2, topography's comparison: have two kinds of methods to detect.The first, light source module 4 are under the control of control module 7, and alternately open top part white light and 850nm infrared light are observed the image on the display module 3, and mobile ticket is until stop when finding color shifting ink, the feature of the flickering or variable color of observation color shifting ink; The second, light source control module are opened first top white light or 850nm infrared light, then mobile ticket, image on the while observation display, after finding corresponding number or bezel, cluster line, again open top part 850nm infrared light or white light, variable color or the stealthy feature of observing printing ink.
Present embodiment is just take 2010 editions bank moneys as example, what use is the purple light light source of top and bottom or white light source and the infrared light supply at top, for other bill or ticket, as long as know the variable color requirement of its double-colored filament or color shifting ink, select in different directions suitable irradiation excitation source just passable.In addition, the thickness of the filament of detection and identification or color shifting ink lines or stroke as required, camera module 2 that can the design alternative adequate resolution.For 2010 editions bank moneys, double-colored filament diameter and invisible printing ink bezel, cluster diameter are less than or equal to 0.33 millimeter, and the bank money maximum area is 17000 square millimeters, if the variable color feature that filament or printing ink are clearly seen in assurance, the resolution of camera will reach the 17000/0.01=1700000 pixel at least; Process if further carry out automatic detection and identification, each filament point or printing ink point need at least 2 pixels, and the resolution of camera just needs 3,400,000 pixels at least so; If just use topography to detect, then the resolution of camera can reduce.
Claims (5)
1. the detection and identification device of a chameleon fibre silk or printing ink, comprise power module (1), ticket storehouse module (5), the sound and light alarm module, it is characterized in that: also comprise camera module (2), display module (3), light source module (4), keyboard input module (6), control module (7), described light source module (4) comprises the top light source, end light source and side light source, described control module (7) receives the input signal of described keyboard input module (6), and automatically open or close corresponding described top light source with the corresponding cycle, end light source or side light source are stored the image that described camera module (2) under the respective sources photographs and be presented on the display module (3).
2. the detection and identification device of a kind of chameleon fibre silk according to claim 1 or printing ink, it is characterized in that: described top light source and end light source symmetry are installed on top and the bottom of ticket storehouse module (5), and described side light source is installed on the both sides of ticket storehouse module (5); Described top light source, end light source and side light source adopt single purple light light source, white light source or infrared light supply or adopt the combination of above-mentioned two or more light sources.
3. the detection and identification device of a kind of chameleon fibre silk according to claim 1 or printing ink, it is characterized in that: described keyboard input module (6) is the touch key-press on mechanical key or the display module (3), comprises the combination button of single purple light light source, white light source or infrared light supply button or above-mentioned two or more light sources.
4. the detection and identification device of a kind of chameleon fibre silk according to claim 1 or printing ink is characterized in that: described camera module (2) is installed in a side in top light source in the light source module (4).
5. the detection and identification device of a kind of chameleon fibre silk according to claim 1 or printing ink, it is characterized in that: described sound and light alarm module is connected with control module (7), two image ratios to the time, in identical with the not identical situation of feature, show respectively the result of different sound and light program prompting user comparisons.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012204441480U CN202854941U (en) | 2012-09-03 | 2012-09-03 | Variable color fiber or printing ink detecting and discriminating device |
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| CN2012204441480U CN202854941U (en) | 2012-09-03 | 2012-09-03 | Variable color fiber or printing ink detecting and discriminating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985191A (en) * | 2014-05-29 | 2014-08-13 | 深圳速度技术有限公司 | Banknote counting machine with image recognition function |
| CN104869277A (en) * | 2014-02-25 | 2015-08-26 | 常州驰网智能检测技术有限公司 | Intelligent invoice collector |
| CN107204068A (en) * | 2017-05-27 | 2017-09-26 | 深圳怡化电脑股份有限公司 | A kind of paper money management system, method and Paper Currency Identification |
| CN112258724A (en) * | 2019-07-05 | 2021-01-22 | 深圳怡化电脑股份有限公司 | Bill authenticity identification method and device, terminal and storage medium |
-
2012
- 2012-09-03 CN CN2012204441480U patent/CN202854941U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869277A (en) * | 2014-02-25 | 2015-08-26 | 常州驰网智能检测技术有限公司 | Intelligent invoice collector |
| CN103985191A (en) * | 2014-05-29 | 2014-08-13 | 深圳速度技术有限公司 | Banknote counting machine with image recognition function |
| CN103985191B (en) * | 2014-05-29 | 2017-11-24 | 深圳速度技术有限公司 | Recounter with image identification function |
| CN107204068A (en) * | 2017-05-27 | 2017-09-26 | 深圳怡化电脑股份有限公司 | A kind of paper money management system, method and Paper Currency Identification |
| CN107204068B (en) * | 2017-05-27 | 2019-08-27 | 深圳怡化电脑股份有限公司 | A kind of paper money management system, method and Paper Currency Identification |
| CN112258724A (en) * | 2019-07-05 | 2021-01-22 | 深圳怡化电脑股份有限公司 | Bill authenticity identification method and device, terminal and storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180903 |