CN101748659A - Random distribution fiber and substance anti-counterfeiting method - Google Patents
Random distribution fiber and substance anti-counterfeiting method Download PDFInfo
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- CN101748659A CN101748659A CN200910189101A CN200910189101A CN101748659A CN 101748659 A CN101748659 A CN 101748659A CN 200910189101 A CN200910189101 A CN 200910189101A CN 200910189101 A CN200910189101 A CN 200910189101A CN 101748659 A CN101748659 A CN 101748659A
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Abstract
The invention discloses a random distribution fiber and substance anti-counterfeiting method, which comprises the following steps: sequentially extracting image information of the random distribution fiber on an anti-counterfeiting mark in more than two directions; ensuring the difference of the image information of the random distribution fiber in different directions through the selection of the more than two directions; irradiating the anti-counterfeiting mark to be verified in the same direction angle by exciting light and obtaining the fiber image information to be verified; and comparing whether the fiber image information to be verified conforms to the real random distribution fiber image information, if so, judging the anti-counterfeiting mark to be the real anti-counterfeiting mark, and if not, judging the anti-counterfeiting mark to be the counterfeited anti-counterfeiting mark. The random distribution fiber and substance anti-counterfeiting method can determine the truth of the fiber image to be verified through the comparison between the fiber image to be verified and the real image in the database, and realizes the practical substance anti-counterfeiting technology.
Description
Technical field
The present invention relates to a kind of anti-false fiber and method for anti-counterfeit thereof, relate in particular to and a kind ofly carry out false proof fiber and method for anti-counterfeit thereof by the fiber characteristics that detects in the fluorescent fiber paper.
Background technology
In the prior art, carry out material false proof to be the anti-counterfeiting technology of always researching and developing, to see also the patent of invention 200510121107.2 and 200510121437.1 of having applied for before the present patent application people by the fluorescence irradiation.In the prior art, by shining and the characteristic collection by laser fluorescence, can realize that material is false proof on the fibrous paper of random distribution, be a kind of good anti-counterfeiting technology.
Simultaneously, be used for the false proof fiber of material in the prior art and also can come out, do not repeat them here by certain explained hereafter.
But, in the fluorescent fiber anti-counterfeiting technology of prior art, because the fluorescent ink printing technique of high-accuracy high-resolution development at present, can discern high accuracy fluorescent fiber distributed image and the information characteristics that obtains on the true anti-fake identification mark by scanning, adopt the high accuracy fluorescent ink to print then to realize the original fluorescent fiber feature that occurs at random of simulation, cause the above-mentioned substance anti-counterfeiting technology can't overcome the problem of cloning antifalsification label by the method for fluorescent ink printing, therefore, present material method for anti-counterfeit can't overcome this technical difficulty and enter practical application completely.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of random distribution fiber and material method for anti-counterfeit thereof, defective at above-mentioned prior art is improved, use a kind of fluorescent fiber that contains additional information to substitute original fluorescent fiber, whether fluorescent ink is printed the clone so that distinguish and discern, print to be forged by fluorescent ink preventing, thereby improve anti-counterfeit capability.
Technical scheme of the present invention is as follows:
A kind of random distribution fiber, be used for random distribution to an anti-fake identification mark, wherein, comprise a base material, on the relative both sides of described base material, fluorescent material is set, so that irradiation and feature extraction on two above directions have different random distribution fiber image informations.
Described random distribution fiber, wherein, the described fluorescent material on the both sides adopts the set-up mode of different interrupted degree relatively.
Described random distribution fiber, wherein, in the described fluorescent material on the both sides, wherein a side adopts continuous set-up mode relatively, and opposite side is set to be interrupted set-up mode more than two sections.
Described random distribution fiber, wherein, the described fluorescent material of both sides adopts the material of different reflecting brightness to make relatively.
A kind of material method for anti-counterfeit of random distribution fiber, it may further comprise the steps:
Extract random distribution fiber image information on the anti-fake identification marks from two above directions successively, these two above directions choose the random distribution fiber image information difference that guarantees on this different directions;
Anti-fake identification mark to be verified is shone from above-mentioned same orientation angle with exciting light, and obtain its fibre image information to be verified;
Whether fibre image information more to be verified is consistent with real random distribution fiber image information, then differentiates as unanimity to be real anti-fake identification mark, otherwise differentiate the anti-fake identification mark for forging.
Described material method for anti-counterfeit, wherein, described random distribution fiber setting comprises a base material, the relative both sides of described base material are provided with fluorescent material.
Described material method for anti-counterfeit, wherein, the described fluorescent material on the described relative both sides adopts the set-up mode of different interrupted degree.
Described material method for anti-counterfeit, wherein, in the described fluorescent material on the described relative both sides, wherein a side is provided with and adopts continuous set-up mode, and another time is set to be interrupted set-up mode more than two sections.
Described material method for anti-counterfeit, wherein, the fluorescent material of described relative both sides adopts the material of different reflecting brightness to make.
Described material method for anti-counterfeit, wherein, described exciting light is ultraviolet light or infrared light; Described two above different directions are at least relative direction.
A kind of random distribution fiber provided by the present invention and material method for anti-counterfeit thereof, owing to adopted the fluorescent fiber that contains additional information to carry out random distribution to being differentiated on the object, be difficult to be palmed off or distort, prevented that being re-used fibre characteristics information after the feature extraction carries out the forgery that the high accuracy fluorescent ink is printed, to confirm the distinctive feature mode of article by the characteristic information that extracts the article random distribution fiber, the true fiber property data base of random distribution fiber feature can be set, when differentiating article genuine-fake, by the true picture in fibre image to be verified and the database is compared the authenticity that can determine fibre image to be verified, realized the material anti-counterfeiting technology of practicability.
Description of drawings
Fig. 1 is a random distribution fiber floor map of the present invention;
Fig. 2 is a random distribution fiber generalized section of the present invention;
Fig. 3 is the material method for anti-counterfeit schematic flow sheet of the inventive method;
Fig. 4 is the material method for anti-counterfeit operation principle schematic diagram of the inventive method.
The specific embodiment
Below preferred embodiment of the present invention is described in detail.
The technology of the present invention is the further improvement technology of material method for anti-counterfeit, at be the forgery problem of high accuracy fluorescent ink printing technique in the present prior art.The present invention need adopt special-purpose random distribution fiber, and this random distribution fiber is a kind of fluorescent fiber, and its processing technology and material or the like are that prior art is known, are not giving unnecessary details at this.
Random distribution fiber of the present invention; as depicted in figs. 1 and 2; this random distribution fiber is commonly used to random distribution to an anti-fake identification mark; for example a currency or authentic work are drawn; this random distribution fiber is distributed in the plane of described anti-fake identification mark usually; on this plane, can specify a rectangle frame arbitrarily; for example set in advance a position and zone as required; (generally being relative direction) uses exciting light (such as ultraviolet light on two different directions of this rectangle frame; infrared light etc.) irradiation; when exciting light shines on the random distribution fiber from different directions; random distribution fiber of the present invention will return different information; such as different colours; form; whether digital information etc. serve as real to be used to discerning this anti-fake identification mark to be verified.
Must explanation be that above-mentioned exciting light and irradiation thereof and information are obtained etc., all are existing implementations in the prior art, do not repeat them here.
Random distribution fiber of the present invention as depicted in figs. 1 and 2, it comprises a base material 101, this base material 101 can adopt fluorescent fiber, can not adopt, because of it is not an information carrier, the material of use is not subjected to too many restriction yet, but to visible light should be transparent, opaque to exciting light, so that do not influence the outward appearance of anti-fake identification mark, can reflect the information of fluorescent material simultaneously.On the different directions on the described base material 101, need to be provided with the fluorescent material 102 of different information characteristics, i.e. materials A shown in Fig. 21 and materials A 2.This different directions can be predefined, also can be to attempt the orientation angle that contrast is determined when real anti-fake identification mark is carried out data acquisition, this different orientation angle must guarantee to have different random distribution fiber image informations with the exciting light irradiation with the feature extraction meeting from this both direction.Certainly the latter need write down its angle information simultaneously.
For the present invention's structure of fluorescent fiber material at random, the fluorescent material of base material both sides should not influence mutually under the exciting light irradiation of relative angle.That is to say that in Fig. 4 during from angle A irradiation exciting light, materials A 2 will be blocked fully by base material, do not fluoresce, and can only see the information characteristics of materials A 1; And during from relative angle B irradiation exciting light, materials A 1 will be blocked fully by base material, does not fluoresce, and can only see the information characteristics of materials A 2.
In preferred embodiment, it is relative direction that these two different directions can be set, need simultaneously to guarantee that described random distribution fiber need be provided with this fluorescent material 102 in the relative both sides of base material 101 when producing, and when on described anti-fake identification mark, scattering at random, what need to guarantee that relative both sides fluorescent material can be with anti-fake identification mark is surperficial parallel, so that can satisfy the requirement of difference from the feature of relative direction irradiation and extraction.
Must explanation be, in the random distribution fiber of the present invention, the information characteristics that obtains on from different directions, promptly the random distribution fiber image information can be color, form and digital information etc.Below be that example is described in further details with digital information.This different directions is at least relative direction, that is to say, on the choosing and be provided with of direction, identification more than both direction can be set, for example 5 directions or 6 directions, orientation angle can set in advance, and also can be chosen automatically by system according to the actual information characteristics intensity of obtaining.Direction with different information characteristics is many more, and is accurate more to the identification of anti-fake identification mark, and amount of calculation can increase certainly.
The described fluorescent material 102 that random distribution fiber of the present invention is provided with on its base material 101 can adopt different interrupted degree that the information characteristics of its identification is set, as shown in Figure 1, it is continuous fluorescent material that the one side can be set, promptly the interrupted degree of Shi Bie information characteristics is 1, and opposite side is set to the interruption set-up mode more than two sections, promptly the interrupted degree of Shi Bie information characteristics is the numerical value greater than 2, for example be 5, on can base of recognition, the big more easy and continuous more fluorescent material of numerical value be distinguished.
In another embodiment of the present invention, different fluorescent materials on the described random distribution fiber can adopt feature extraction modes such as different brightness, color, and the fluorescent material of both sides must guarantee that irradiation from different directions is obviously different with the random distribution fiber image information that identification obtains.
The material method for anti-counterfeit of random distribution fiber of the present invention, as shown in Figure 3, need be from two different directions successively by the irradiation of exciting light and the random distribution fiber image information on the extraction anti-fake identification mark, as shown in Figure 4, can be to the random distribution fiber that comprises the color additional information from the A direction with the fluorescent fiber of its relative B direction irradiation random distribution of the present invention, because the particular geometric configuration of random distribution fiber of the present invention, cause this random distribution fiber to send the different light of color, or the different light of interruption degree.
When with exciting light when this both direction shines anti-fake identification mark to be verified, can obtain fibre image information to be verified, for example its color or interruption degree are corresponding with selected information characteristics.Compare fibre image information described to be verified and real random distribution fiber image information on the equidirectional then, if it is consistent, then can differentiate and be real anti-fake identification mark, adopt certain prompting mode to be shown by verification system, for example show it is real information on the display interface, otherwise, differentiate anti-fake identification mark, and correspondingly provide prompting for forging.The applied identification equipment of the inventive method can adopt the common material Antiforge system of prior art, just adopts the excitation light emission device and the corresponding handling procedure that can shine from different directions to get final product in its identification importation.
In the various preferred embodiments of said method of the present invention, being provided with of described random distribution fiber needs to adopt unique fluorescent fiber, corresponding different directions is provided with the fluorescent material 102 of different information characteristics on its base material 101, for example different colours or intermittently degree difference, for the latter, can continuous fluorescent material be set in a side, and fluorescent material more than two sections be set, so that distinguish two random distribution fiber image informations on the different directions at opposite side.
In the random distribution fiber technology of the present invention, its manufacturing technique is a known technology, does not repeat them here; Base material of the present invention can use but be not limited to: materials such as UV-P or UV-1.Fibrous material can be: materials such as PBT, PEN, PET, in anti-fake identification mark, for example the additive in the paper can adopt titanium dioxide or UV327.For fluorescent material and mixing of base material using the three-phase textile technology, 3 fine fibres are synthesized a fiber.
Certainly, in the identification of above-mentioned contrast and image information feature and the contrast verification process, a threshold value can be set to be used to judge whether unanimity, so that in certain error range, allow the judgement of identification accuracy, to eliminate the influence that other secondary causes may bring.
Random distribution fiber of the present invention and checking recognition methods thereof can discern certain anti-fake identification mark for example antifalsification label whether be that fluorescent ink is printed the clone, because when fluorescent ink is printed the clone, no matter how high its precision is, no matter shine, all can only return information characteristics such as identical color or interrupted degree from which direction.
The fluorescent fiber that comprises digital additional information in the inventive method can be the fluorescent material along this fluorescent fiber base material random distribution on both direction, when both sides fluorescent material information characteristics comparatively near the time, can influence the accuracy of differentiation.
The present invention utilizes in the method for anti-counterfeit of random distribution fiber characteristics of image, utilized additional information on fluorescent fiber judge the fibre image of random distribution be contained in the forgery article printed of fluorescent ink or this true anti-fake identification mark with organic fiber, and can extract the image feature information of random distribution fiber, generate true random distribution fiber image information data storehouse then, by shining and obtain the fibre image of anti-fake identification mark to be verified, then with true random distribution fiber image information data storehouse in the true fiber image information compare, thereby determine the authenticity of fibre image to be verified.This comparison procedure can adopt a threshold decision, judges to have certain anti-interference so that make, and these deterministic processes all are the known technology of prior art, do not repeat them here.
In the methods of the invention, specifically used following hardware to realize the anti-counterfeit recognition process of random distribution fiber characteristics of image:
This hardware system can send exciting light (such as ultraviolet light, infrared light) successively from a plurality of relative angles, direction (two or more at least), can take pictures to irradiated object in luminous, and store this photographic intelligence.Why " successively " finish but not simultaneously, reason is to prevent the interference between the exciting light, with guarantee the random distribution fiber image information accurately.Take pictures finish after, this hardware system can be according to photographic intelligence, judges that lines in the subject are the fiber that contains additional information that still subject itself that fluorescent ink is printed has.If the fiber that contains additional information that subject itself has, then extracting in the image information true random distribution fiber image information automatically is information characteristics, and and database in before the true random distribution fiber image information obtained compare, thereby determine the authenticity of this fibre image that is taken to be verified.
Above-mentioned hardware system basic composition is the prior art existing device, only increase array irradiation and acquisition module, perhaps, adopt one group of irradiation and acquisition module in its part of data acquisition, and its motion is set and to the drive unit of this motion, for example motor.Increased the step of different directions being shone and obtains the random distribution fiber image information in its software control and processing module simultaneously, and the treatment step of differentiating.
In a word, random distribution fiber of the present invention and material method for anti-counterfeit thereof are on the basis of existing material method for anti-counterfeit, print the problem of forging at the high accuracy fluorescent ink, can adopt random distribution fiber to realize the anti-fake identification mark authenticity is guaranteed, impel the material method for anti-counterfeit to move towards technical applicationization.The technology that increases among the present invention only is used to judge whether be high accuracy fluorescent ink printer prints that the material method for anti-counterfeit before can using then in the applicant's invention technology is carried out the process of judging the true and false.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. random distribution fiber, be used for random distribution to an anti-fake identification mark, it is characterized in that, comprise a base material, on the relative both sides of described base material, fluorescent material is set, so that irradiation and feature extraction on two above directions have different random distribution fiber image informations.
2. random distribution fiber according to claim 1 is characterized in that, the described fluorescent material on the both sides adopts the set-up mode of different interrupted degree relatively.
3. random distribution fiber according to claim 2 is characterized in that, in the described fluorescent material on the both sides, wherein a side adopts continuous set-up mode relatively, and opposite side is set to be interrupted set-up mode more than two sections.
4. random distribution fiber according to claim 1 is characterized in that, the described fluorescent material of both sides adopts the material of different reflecting brightness to make relatively.
5. the material method for anti-counterfeit of a random distribution fiber, it may further comprise the steps:
Extract random distribution fiber image information on the anti-fake identification marks from two above directions successively, these two above directions choose the random distribution fiber image information difference that guarantees on this different directions;
Anti-fake identification mark to be verified is shone from above-mentioned same orientation angle with exciting light, and obtain its fibre image information to be verified;
Whether fibre image information more to be verified is consistent with real random distribution fiber image information, then differentiates as unanimity to be real anti-fake identification mark, otherwise differentiate the anti-fake identification mark for forging.
6. material method for anti-counterfeit according to claim 5 is characterized in that, described random distribution fiber setting comprises a base material, and the relative both sides of described base material are provided with fluorescent material.
7. material method for anti-counterfeit according to claim 6 is characterized in that, the described fluorescent material on the described relative both sides adopts the set-up mode of different interrupted degree.
8. material method for anti-counterfeit according to claim 7 is characterized in that, in the described fluorescent material on the described relative both sides, wherein a side is provided with and adopts continuous set-up mode, and another time is set to be interrupted set-up mode more than two sections.
9. material method for anti-counterfeit according to claim 6 is characterized in that, the fluorescent material of described relative both sides adopts the material of different reflecting brightness to make.
10. material method for anti-counterfeit according to claim 6 is characterized in that, described exciting light is ultraviolet light or infrared light; Described two above different directions are at least relative direction.
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| CN2009101891017A CN101748659B (en) | 2009-12-18 | 2009-12-18 | Random distribution fiber and substance anti-counterfeiting method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012083769A1 (en) * | 2010-12-24 | 2012-06-28 | 深圳兆日科技股份有限公司 | Method and system for anti-counterfeiting through physical characteristics of substance |
| CN102774154A (en) * | 2011-05-09 | 2012-11-14 | 郑进 | Printing method of ink containing structural texture material |
| CN102982606A (en) * | 2011-09-07 | 2013-03-20 | 深圳兆日科技股份有限公司 | Anti-fake method using physical feature recognition and anti-fake system using physical feature recognition |
| CN106935129A (en) * | 2015-12-31 | 2017-07-07 | 北京柯斯元科技有限公司 | A kind of random grain false-proof method and random grain anti-fake system |
| CN107798993A (en) * | 2016-09-02 | 2018-03-13 | 北京柯斯元科技有限公司 | A kind of fiber and its anti-counterfeit sign with random texture for random grain anti-fake |
| CN110222602A (en) * | 2019-05-23 | 2019-09-10 | 艾科芯（深圳）智能科技有限公司 | Antiforge recognizing method, system, device end and computer readable storage medium |
| CN112329673A (en) * | 2020-11-12 | 2021-02-05 | 北京文通科技有限公司 | Anti-counterfeiting fiber identification method, anti-counterfeiting identification device and storage medium |
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2009
- 2009-12-18 CN CN2009101891017A patent/CN101748659B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012083769A1 (en) * | 2010-12-24 | 2012-06-28 | 深圳兆日科技股份有限公司 | Method and system for anti-counterfeiting through physical characteristics of substance |
| US9269161B2 (en) | 2010-12-24 | 2016-02-23 | Sinosun Technology Co., Ltd. | Anti-counterfeiting test method, device and system based on textures |
| CN102774154A (en) * | 2011-05-09 | 2012-11-14 | 郑进 | Printing method of ink containing structural texture material |
| CN102982606A (en) * | 2011-09-07 | 2013-03-20 | 深圳兆日科技股份有限公司 | Anti-fake method using physical feature recognition and anti-fake system using physical feature recognition |
| CN102982606B (en) * | 2011-09-07 | 2015-09-02 | 深圳兆日科技股份有限公司 | A kind of method for anti-counterfeit and system utilizing physical features identification |
| CN106935129A (en) * | 2015-12-31 | 2017-07-07 | 北京柯斯元科技有限公司 | A kind of random grain false-proof method and random grain anti-fake system |
| CN106935130A (en) * | 2015-12-31 | 2017-07-07 | 北京柯斯元科技有限公司 | Texture materials, the manufacture method of anti-counterfeiting mark, anti-counterfeiting mark and Antiforge system |
| CN107798993A (en) * | 2016-09-02 | 2018-03-13 | 北京柯斯元科技有限公司 | A kind of fiber and its anti-counterfeit sign with random texture for random grain anti-fake |
| CN107798993B (en) * | 2016-09-02 | 2021-09-28 | 北京柯斯元科技有限公司 | Fiber for random texture anti-counterfeiting and random texture anti-counterfeiting mark thereof |
| CN110222602A (en) * | 2019-05-23 | 2019-09-10 | 艾科芯（深圳）智能科技有限公司 | Antiforge recognizing method, system, device end and computer readable storage medium |
| CN112329673A (en) * | 2020-11-12 | 2021-02-05 | 北京文通科技有限公司 | Anti-counterfeiting fiber identification method, anti-counterfeiting identification device and storage medium |
| CN112329673B (en) * | 2020-11-12 | 2024-05-17 | 北京文通科技有限公司 | Anti-fake fiber identification method, anti-fake identification method, device and storage medium |
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