CN101738829A - Method and device for photographing fluorescent ink - Google Patents
Method and device for photographing fluorescent ink Download PDFInfo
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- CN101738829A CN101738829A CN201010033743A CN201010033743A CN101738829A CN 101738829 A CN101738829 A CN 101738829A CN 201010033743 A CN201010033743 A CN 201010033743A CN 201010033743 A CN201010033743 A CN 201010033743A CN 101738829 A CN101738829 A CN 101738829A
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- fluorescent ink
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- imageing sensor
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- optical filter
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
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Abstract
The invention discloses a method and a device for photographing fluorescent ink. The method comprises the following steps: irradiating: irradiating a print carrier of the fluorescent ink by using an ultraviolet light source; filtering: filtering a background pattern of the print carrier, and only remaining phosphor patterns displayed by the fluorescent ink; photographing or scanning: photographing or scanning the phosphor patterns, and storing the images. The device is mainly formed by connecting the ultraviolet light source with an image sensor. An emission port of the ultraviolet light source and a light inlet of the image sensor are positioned on the same side of the photographing device. The method and the device for photographing the fluorescent ink can clearly photograph and record the phosphor patterns displayed by the fluorescent ink under the ultraviolet irradiation, and provide a basis for pattern archive, database creation, automatic identification, retrieval and execution of standardized management.
Description
Technical field
The present invention relates to the application of fluorescent ink, particularly relate to a kind of image pickup method and device thereof of fluorescent ink.
Background technology
Fluorescent ink is the printing ink made from fluorescent pigment, and its printed matter can show the visible light of various colors under UV-irradiation, be widely used in fields such as advertisement, packing, anti-counterfeit printings at present.Along with popularizing gradually of fluorescent ink, relevant standardized management system also will be put into effect thereupon, but, the phosphor pattern that fluorescent ink is manifested under ultraviolet light only can be discerned by naked eyes at present, still not having relevant electronics or optical device can this phosphor pattern of clear seizure, also can't take, write down, discern automatically or build library management to it, this has become the bottleneck of restriction fluorescent ink using standard process.
How to found a kind of phosphor pattern that fluorescent ink manifests of taking, write down under UV-irradiation, for setting up Relational database and discern and retrieve the image pickup method and the device thereof of the fluorescent ink that foundation is provided automatically, one of real important research and development problem that belongs to current industry.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of image pickup method and device thereof of fluorescent ink, make it can take, write down the phosphor pattern that fluorescent ink manifests under UV-irradiation, for pattern files, sets up database, discerns and retrieve and carry out standardized management automatically the basis is provided.
For solving the problems of the technologies described above, the present invention proposes a kind of image pickup method of fluorescent ink, may further comprise the steps: irradiation, with the printing carrier of ultraviolet source irradiation fluorescent ink; Filter, the background patterns of filtering printing carrier only stays the phosphor pattern that fluorescent ink manifests; Take pictures or scan, phosphor pattern is taken pictures or scanned, and image is stored.
A kind of improvement as the image pickup method of fluorescent ink of the present invention before or after the described optical filtering step, also comprises the polarisation step, and promptly the reflection ray to printing carrier carries out polarization manipulation.
Another kind as the image pickup method of fluorescent ink of the present invention improves, and described optical filtering step is by finishing with the fluorescence optical filter identical or close colour system that fluorescent ink is manifested under UV-irradiation.
For solving the problems of the technologies described above, the present invention also provides a kind of filming apparatus of fluorescent ink, mainly connected to form by ultraviolet source and imageing sensor, and the light inlet of the emission port of ultraviolet source and imageing sensor is positioned at the homonymy of filming apparatus.
As a kind of improvement of the filming apparatus of fluorescent ink of the present invention, optical filter is installed also before the described imageing sensor.
Described optical filter belongs to identical or close colour system with the fluorescence that fluorescent ink is manifested under UV-irradiation.
Described optical filter removably connects with imageing sensor or fixedlys connected.
Also comprise polaroid, fixedly connected with the camera lens of imageing sensor or removably connect, and be positioned at optical filter the place ahead or rear.
Described imageing sensor is ccd image sensor or cmos image sensor.
Described ultraviolet source is UVLED or mercury bulb, and the light that is sent is UVA, UVB, UVC or near ultraviolet visible light.
After adopting such structure, the present invention can take, write down the phosphor pattern that fluorescent ink manifests under UV-irradiation, provides the basis for pattern files, sets up database, identification automatically, retrieval and implementation standardized management.
Description of drawings
Above-mentioned only is the general introduction of technical solution of the present invention, and for can clearer understanding technological means of the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the principle schematic of the image pickup method of fluorescent ink of the present invention.
Fig. 2 is the structural representation of the filming apparatus of fluorescent ink of the present invention.
Embodiment
See also shown in Figure 1ly, the image pickup method of fluorescent ink of the present invention mainly comprises irradiation, filters and takes pictures or scans three steps.
Irradiating step promptly is the printing carrier 9 with ultraviolet source 1 irradiation fluorescent ink, for example cigarette, glass packaging paper etc.
The optical filtering step, the preferred optical filter 3 of the identical or close colour system of the fluorescence that under UV-irradiation, is manifested with fluorescent ink, filtering or weaken the background patterns of printing carrier 9 only stays the phosphor pattern that fluorescent ink manifests.
Take pictures or scanning step, phosphor pattern is taken pictures or scanned, and image is stored.
Fluorescent ink only just can show its print content under UV-irradiation, directly take pictures or scan with image processor 2, though can write down phosphor pattern, but can be subjected to the serious interference of background patterns on the printing carrier 9, pattern constitutes chaotic and smudgy, be used to discern that then fault rate is very high, and can not be as the foundation of distinguishing phosphor pattern.The present invention is by the optical filtering step, can reduce color, lines, pattern, the reflective interference on printing carrier 9 surfaces to phosphor pattern, significantly improve the sharpness of taking, especially selected for use with fluorescent ink behind the optical filter of UV-irradiation following fluoresce identical or close colour system, demonstration and shooting effect are best, and then effect is relatively poor to select the complementary color optical filter for use.
Preferable, also can before or after the optical filtering step, increase by a polarisation step, promptly the reflection ray to printing carrier carries out polarization manipulation, and reflective with further reduction printing carrier surface makes shooting effect more clear.
Please cooperate and consult shown in Figure 2ly, the filming apparatus of fluorescent ink of the present invention is mainly connected to form by ultraviolet source 1 and imageing sensor 2, and the light inlet of the emission port of ultraviolet source 1 and imageing sensor 2 is positioned at the homonymy of filming apparatus.
Wherein, imageing sensor 2 is preferably various existing or novel imageing sensors such as ccd image sensor, cmos image sensor.Ultraviolet source 1 can be selected mercury bulb for use, preferred portable UVLED efficiently.It is the ultraviolet source of UVA that the filming apparatus of common specification is selected emission light for use, also can select for use emission light to can be the ultraviolet source of UVB, UVC or near ultraviolet visible light according to demand, is the best to be complementary with fluorescent ink.
Preferable, also can before imageing sensor 1, fix or detachably be equipped with optical filter 3, preferably manifest the optical filter that fluorescence belongs to identical or close colour system following of UV-irradiation with fluorescent ink, can significantly reduce of the interference of printed matter background patterns to phosphor pattern, outstanding phosphor pattern, improving the readability of phosphor pattern greatly, the particularly important is and can significantly promote the automatic recognition correct rate of taking pattern, is one of key factor that guarantees correct identification.And can be in optical filter the place ahead or the rear fix or be removably connected with polaroid 4, be used for eliminating or reduce the interference that the reflected light of printed matter surface is taken fluorescence.
During use, the emission irradiate light of ultraviolet source 1 is to the printing carrier 9 of fluorescent ink, the background patterns light of printing carrier is by optical filter 3 filterings or reduction, the phosphor pattern light that fluorescent ink manifested then through the taking pictures or scanning of image processor 2, is caught clearly and is write down, stored.
The image pickup method of fluorescent ink of the present invention and device thereof, not only can take, write down the phosphor pattern that fluorescent ink is manifested under UV-irradiation, also can be applicable to the automatic identification of phosphor pattern, both can be civilian, also can be used as the usefulness of production line monitoring and management organization's file, meet the industry development demand, be suitable for popularizing.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. the image pickup method of a fluorescent ink is characterized in that may further comprise the steps:
Irradiation is with the printing carrier of ultraviolet source irradiation fluorescent ink;
Filter, the background patterns of filtering printing carrier only stays the phosphor pattern that fluorescent ink manifests;
Take pictures or scan, phosphor pattern is taken pictures or scanned, and image is stored.
2. the image pickup method of fluorescent ink according to claim 1 is characterized in that also comprising the polarisation step before or after the described optical filtering step, and promptly the reflection ray to printing carrier carries out polarization manipulation.
3. the image pickup method of fluorescent ink according to claim 1 and 2 is characterized in that described optical filtering step is by finishing with the fluorescence optical filter identical or close colour system that fluorescent ink is manifested under UV-irradiation.
4. the filming apparatus of a fluorescent ink it is characterized in that mainly being connected to form by ultraviolet source and imageing sensor, and the light inlet of the emission port of ultraviolet source and imageing sensor is positioned at the homonymy of filming apparatus.
5. the filming apparatus of fluorescent ink according to claim 4 is characterized in that before the described imageing sensor optical filter being installed also.
6. the filming apparatus of fluorescent ink according to claim 5 is characterized in that the fluorescence that described optical filter and fluorescent ink are manifested belongs to identical or close colour system under UV-irradiation.
7. the filming apparatus of fluorescent ink according to claim 5 is characterized in that described optical filter removably connects with imageing sensor or fixedlys connected.
8. the filming apparatus of fluorescent ink according to claim 5 is characterized in that also comprising polaroid, removably connects with the camera lens of imageing sensor or fixedlys connected, and be positioned at optical filter the place ahead or rear.
9. according to the filming apparatus of each described fluorescent ink of claim 4-8, it is characterized in that described imageing sensor is ccd image sensor or cmos image sensor.
10. according to the filming apparatus of each described fluorescent ink of claim 4-8, it is characterized in that described ultraviolet source is UVLED or mercury bulb, the light that is sent is UVA, UVB, UVC or near ultraviolet visible light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100337430A CN101738829B (en) | 2010-01-05 | 2010-01-05 | Method and device for photographing fluorescent ink |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100337430A CN101738829B (en) | 2010-01-05 | 2010-01-05 | Method and device for photographing fluorescent ink |
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| Publication Number | Publication Date |
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| CN101738829A true CN101738829A (en) | 2010-06-16 |
| CN101738829B CN101738829B (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010100337430A Expired - Fee Related CN101738829B (en) | 2010-01-05 | 2010-01-05 | Method and device for photographing fluorescent ink |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780829A (en) * | 2011-05-13 | 2012-11-14 | 株式会社Pfu | Image reading device and image processing method |
| CN105760866A (en) * | 2016-01-29 | 2016-07-13 | 北京爱创科技股份有限公司 | Laser coding identification and reading system and method |
| CN106364199A (en) * | 2016-08-29 | 2017-02-01 | 广东天元汇邦新材料股份有限公司 | Decorative paper anti-counterfeiting identification method |
| CN110830691A (en) * | 2019-10-30 | 2020-02-21 | 四川金鹏宏达实业有限公司 | Novel ultraviolet anti-counterfeiting equipment |
| CN111693540A (en) * | 2020-06-16 | 2020-09-22 | 成都印钞有限公司 | Device and method for detecting printing image-text quality of colorful light variable ink |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535232Y (en) * | 2001-05-29 | 2003-02-12 | 北京印钞厂 | Colourless fluorescent ink on-line detecting device |
| CN1785688B (en) * | 2005-06-13 | 2010-06-30 | 张重光 | Antifalse rail road ticket capable of machine reading |
| CN2831274Y (en) * | 2005-09-23 | 2006-10-25 | 中国印钞造币总公司 | Multi-spectrum composite RMB discriminator |
| CN201178443Y (en) * | 2008-03-31 | 2009-01-07 | 浙江凯德商用机具有限公司 | Mobile phone having true-false recognition system for authenticity attribute for paper currency and note |
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2010
- 2010-01-05 CN CN2010100337430A patent/CN101738829B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780829A (en) * | 2011-05-13 | 2012-11-14 | 株式会社Pfu | Image reading device and image processing method |
| CN102780829B (en) * | 2011-05-13 | 2015-06-03 | 株式会社Pfu | Image reading device and image processing method |
| CN105760866A (en) * | 2016-01-29 | 2016-07-13 | 北京爱创科技股份有限公司 | Laser coding identification and reading system and method |
| CN106364199A (en) * | 2016-08-29 | 2017-02-01 | 广东天元汇邦新材料股份有限公司 | Decorative paper anti-counterfeiting identification method |
| CN106364199B (en) * | 2016-08-29 | 2019-01-04 | 广东天元汇邦新材料股份有限公司 | A kind of facing paper anti-counterfeiting mark method |
| CN110830691A (en) * | 2019-10-30 | 2020-02-21 | 四川金鹏宏达实业有限公司 | Novel ultraviolet anti-counterfeiting equipment |
| CN110830691B (en) * | 2019-10-30 | 2021-04-13 | 四川金鹏宏达实业有限公司 | Novel ultraviolet anti-counterfeiting equipment |
| CN111693540A (en) * | 2020-06-16 | 2020-09-22 | 成都印钞有限公司 | Device and method for detecting printing image-text quality of colorful light variable ink |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101738829B (en) | 2011-03-16 |
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