CN102663373A - Paper medium information safety processing method based on long afterglow material - Google Patents
Paper medium information safety processing method based on long afterglow material Download PDFInfo
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- CN102663373A CN102663373A CN2012101258717A CN201210125871A CN102663373A CN 102663373 A CN102663373 A CN 102663373A CN 2012101258717 A CN2012101258717 A CN 2012101258717A CN 201210125871 A CN201210125871 A CN 201210125871A CN 102663373 A CN102663373 A CN 102663373A
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Abstract
The invention provides a method for achieving printing paper medium information safety by using a long afterglow energy storage luminescent material. The method includes that embedding and recognition of information are conducted in the printed paper medium. The invention relates to a paper medium information safety processing method based on the long afterglow material. The method includes embedding information in the paper medium. Detailed steps are as follows: selecting an image and hidden information to be embedded according to an embedding method, encrypting the embedded hidden information, and then converting the information into binary information; reading an original document image, generating a blank image as large as an original document in a memory, setting the size and a position of an embedded image, and marking the embedded document image on the generated blank image; reading the document image with marks and marking the binary information to be embedded to an appointed area of the document image; and printing the binary information and the image embedded in the appointed area on the paper medium by using colorless fluorescent ink, and outputting.
Description
Technical field
The invention belongs to false proof and field of information processing authentication; Relate to colorless ink embedding implicit pattern or information that a kind of utilization on the paper medium of printing contains long-afterglow material, realize a kind of disposal route of true and false interpretation after in the dark discerning, decode through naked eyes or to the scanning input picture.
Background technology
Along with appearing on the market of duplicating machine, printer, scanner and the desktop publishing of high precision, low price, make the false proof severe problem of having to face that become of vital document.Particularly also there are similar problem in the trade mark of some valuable wrist-watches, DVD, high-grade tobacco and wine, clothes, medicine etc. and the forgery of external packing.
It mainly is to adopt water mark method or ink special, laser anti-counterfeiting sign and scratch type, the false proof sign of open-type that the paper medium file original paper is carried out false proof, traditional method, to increase the antiforge function of commodity.Printing ink generally is color shifting ink or fluoresent printing ink.For example United States Patent (USP) NO:8085438 is exactly the way that adopts fluoresent printing ink, on the paper medium, embeds some sightless generally speaking implicit patterns, but this pattern just can manifest under simple ultraviolet light instrument irradiation.Also have ultraviolet fluorescent material is added paper inside at paper-making process; Form special Ultraluminescence anti-forge paper; ZL:200420044839.7 for example, ZL:200920025757.0 with special preparation method, becomes ultraviolet fluorescent material into the Ultraluminescence point; In paper-making process, in paper pulp, add the Ultraluminescence point then, process anti-forge paper.Perhaps phosphor dot is joined in the coating fluid, utilize coating process to be coated in paper surface.Perhaps spray the method for ink, be sprayed on paper surface.Be exactly color shifting ink in addition, for example United States Patent (USP) NO:7005166B2 utilizes temperature sensitive ink exactly, realizes antiforge function.
Above-mentioned disposal route need be used the paper or the ultraviolet anti-fake printing ink of special material, therefore has problems such as processing cost height, popularization difference.Up-to-date anti-counterfeiting technology mainly is in paper medium file, some characteristic informations to be embedded on the paper medium file in some way to realize; As the characteristic information that will imbed is represented message code " 1 " or " 0 " with the difference of forms such as the shape of certain geometric shape such as pixel, position, size; To superpose by information and the original information that this pixel is formed, at the file hiding that prints characteristic information.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; Propose a kind of common paper of using and promptly can proof paper medium file legitimacy a large amount of be hidden Info or the warning security pattern is embedded in the paper medium file content, discern, decode through naked eyes or to the scan image of input and just can realize the paper medium information security processing of true and false judgement.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of paper medium information security processing based on long-afterglow material is included in embedding information in the paper medium,
Concrete steps are following:
(1) hiding Info of pattern that selection will embed according to embedded mode and embedding, the encryption that hides Info with embedding is converted into binary information then;
(2) read former document image, in internal memory, generate the size blank image the same with former document.Set and embed pattern magnitude and position, the document pattern that embeds is demarcated on the blank image that generates;
(3) read the file and picture that has demarcation; The binary message that will embed is demarcated the appointed area of file and picture, is " 1 " if that is: will embed the value of information this moment, then prints an ink dot that contains fluorescent material at this place; If the value that will embed this moment is " 0 "; Then should locate blank, not print the ink dot that contains fluorescent material, and repeat this step and all embed until all information;
(4) on the paper medium, print binary message and the pattern that designation area is carried embedding with colorless fluorescent printing ink, then output.
The paper medium original identification step is following:
Use than high light (more than the 300LUX) irradiation paper medium original, move on to the dark place then and check whether have luminous pattern to manifest; Having, then is true, otherwise be regarded as forging;
It is following to utilize hiding Info of paper medium to carry out the original paper identification step:
(1) uses than high light (more than the 300LUX) irradiation paper medium original;
(2) in the dark use the image of scan input device (more than the resolution 600dpi) picked-up paper medium original, deposit in the computing machine, carry out the recognizer identification that hides Info;
(3) image pre-service, the binary message that the identification appointed area embeds.According to from top to bottom, the breath of winning the confidence of sequential read from left to right.If corresponding white point, representative information " 1 ", black region, representative information " 0 "; This step is carried out in circulation, until reading all information;
(4) binary message of identification is deciphered, be decoded into identifying information then;
(5) identifying information of decoding and the hiding breath of embedding are compared, judge the authenticity of file.
Hiding Info of embedding comprises one or more in file content, trace information, enciphered message, the secret writing information.
Also comprise trace information; Described trace information comprises time-write interval, printing person, printer model.
The long after glow luminous material that the present invention adopts can be one or several particular combination of the green of turning to be yellow, redness, cyan, blue-violet light; Green, blue.
The pattern of described embedding is the pattern of a certain monochrome, or the mixed colors pattern.
Said pattern is bigger special pattern or small encoded point system of battle formations case, or the two combination.Encoded point system of battle formations case is that existing one dimension, two-dimensional bar code form are perhaps from the coding form of formulating.Described coding dot matrix is represented binary message a little " 1 ", blank space is information " 0 ".
The present invention with some special patterns or the dot matrix of the coding that forms through conversion of hiding Info with a fixed structure print with the colorless ink that contains long after glow luminous material and be printed on the paper medium.Generally, these patterns and dot matrix coding are invisible, only if with behind the strong illumination, then paper is placed the darkroom, this moment, long-afterglow material can be luminous automatically, and lattice information or the special pattern hidden will manifest.The recognition methods of information is divided into two kinds, and simple bigger special pattern with the naked eye just can be discerned; Complicated contain that the dot matrix coding that hides Info need scan paper medium file, Flame Image Process, decoding hides Info and judge its authenticity.
Advantageous effect of the present invention is:
1, the present invention adopts the anti-counterfeiting information and the special pattern information that can prove the paper medium file legitimacy to embed in the paper medium, can finely avoid the quilt of original paper to distort and forge.
2, the present invention can be provided with neatly and embed the information content, pattern form and embedded location, and true-false detection method is simple, easy to use.Be the distinguishable true and false with the decoding software decode only with bore hole or image input device.
3, the present invention uses common paper can realize that paper medium original and copy are false proof, has avoided using special-purpose UV detection instrument, has therefore practiced thrift cost greatly, has reduced cost of use.
What 4, print has a paper medium original that embeds anti-counterfeiting information, duplicates not have in the copy that comes out to contain hiding Info of long-afterglow fluorescent ink print, therefore can clearly distinguish original paper and copy.
5, the present invention has solved the problem that paper medium copy is distorted and forged effectively, makes the authenticity of paper medium copy be guaranteed, and can be more widely used for paper medium copy.
Description of drawings
Fig. 1 is at paper medium information security processing process flow diagram;
Fig. 2 is that information embeds exemplary plot in the paper medium;
Fig. 3 is the certificate pattern of embedding information and special pattern;
Fig. 4 is the design sketch that after rayed, is put into the dark place certificate;
Fig. 5 is the certificate copy design sketch of testing result in the dark;
Fig. 6 is the identification process figure that hides Info
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is done further detailed description, but embodiment of the present invention is illustrative, rather than determinate.
Fig. 1 is at paper medium information security processing process flow diagram;
S1 reads former document image, is stored in the calculator memory, forwards S2 then to
S2 selects to embed pattern form, sets and embeds the zone, forwards S3 then to
S3 will embed pattern and on former document image, demarcate, and prepare for printing, forward S4 to
S4 reads hiding Info of embedding, sets embedding information position, forwards S5 to
S5 with the information that reads encrypt, Binary Conversion, data storage forwards S6 in internal memory
S6 carries out virtual grid and divides in the appointed area, according to from left to right, and the demarcation that hides Info of order from top to bottom.If embedding binary message is " 1 ", demarcate a site at this grid place, be 0 if embed binary message, do not demarcate.After having demarcated all information, forward S7 to
S7 prints the special pattern of demarcating and hides Info with containing fluorescent ink on former document.
S8 result's output, completion have false proof, anti-copy function certificate and handle.
Fig. 2 is this embodiment embedded master drawing that hides Info.Behind the selected embedded location that hides Info,, will embed Region Segmentation automatically and become a certain size grid cell according to setup parameter.When embedding binary message when being " 1 ", at this grid place with site of colorless fluorescent ink print; If embedding information is " 0 ", do not print the fluorescence site.201 representative informations " 0 ", 202 representative informations " 1 ".The spacing size of net region and adjacent mesh can be adjusted according to the embedding amount of hiding Info.
Fig. 3 is the anti-fraud functional certificate instance that has with this embodiment generated.Normal condition can't see hiding information and pattern.
Fig. 4 be certificate behind strong illumination, the design sketch after the special pattern that embeds with the long afterglow colorless ink in the time of in the dark and the site autoluminescence that hides Info of embedding.After absorbing this image, utilize identification software to read, decode, differentiate the certificate true and false through the comparison recognition result to hiding Info.
The 401st, the scale-of-two that the embeds point " 1 " that hides Info, the 402nd, the special pattern that embeds, pattern can be the logo of each unit, the trade mark of brand etc.
Fig. 5 is an original paper after duplicating machine duplicates at the design sketch that detects and since the pattern that does not contain the long-afterglow fluorescent ink print in the copy with hide Info, so in the dark the time, detect less than luminous pattern and the information point of hiding.Whether be copy, pseudo-forging piece, play anti-duplicating, anti-tamper function if can differentiate file whereby.
Fig. 6 is the present invention's identification process that hides Info, and is divided into following a few step:
(1) uses than high light (more than the 300LUX) irradiation paper medium original.
(2) in the dark use scan input device (more than the resolution 600dpi) to absorb the image of paper medium original, deposit in the computing machine.
(3) binary message that the appointed area embeds is discerned in framing then.According to from top to bottom, the breath of winning the confidence of sequential read from left to right.If corresponding white point, representative information " 1 ", black region, representative information " 0 "; This step is carried out in circulation, until reading all information;
(4) binary message of identification is deciphered, be decoded into identifying information then;
(5) identifying information of decoding and the hiding breath of embedding are compared, judge the authenticity of file.
Claims (10)
1. the paper medium information security processing based on long-afterglow material is included in embedding information in the paper medium,
Concrete steps are following:
(1) hiding Info of pattern that selection will embed according to embedded mode and embedding, the encryption that hides Info with embedding is converted into binary information then;
(2) read former document image, in internal memory, generate the size blank image the same, set and embed pattern magnitude and position, the document pattern that embeds is demarcated on the blank image that generates with former document;
(3) read the file and picture that has demarcation, the binary message that will embed is demarcated the appointed area of file and picture;
(4) on the paper medium, print binary message and the pattern that designation area is carried embedding with colorless fluorescent printing ink, then output.
2. paper medium information security processing according to claim 1 is characterized in that: comprise that also the paper medium original identification step is following:
Use than the strong illumination paper medium original, move on to the dark place then and check whether have luminous pattern to manifest; Having, then is true, otherwise be regarded as forging.
3. paper medium information security processing according to claim 1 is characterized in that: comprise that also to utilize hiding Info of paper medium to carry out the original paper identification step following:
(1) uses than the strong illumination paper medium original;
(2) in the dark with the image of scan input device picked-up paper medium original, deposit in the computing machine, carry out the recognizer identification that hides Info;
(3) image pre-service, the binary message that the identification appointed area embeds;
According to from top to bottom, the breath of winning the confidence of sequential read from left to right;
If corresponding white point, representative information " 1 ", black region, representative information " 0 "; This step is carried out in circulation, until reading all information;
(4) binary message of identification is deciphered, be decoded into identifying information then;
(5) identifying information of decoding and the hiding breath of embedding are compared, judge the authenticity of file.
4. paper medium information security processing according to claim 1 is characterized in that: the hiding Info of embedding comprises one or more in file content, trace information, enciphered message, the secret writing information.
5. paper medium information security processing according to claim 1 is characterized in that: also comprise trace information during printing; Described trace information comprises time-write interval, printing person, printer model.
6. paper medium information security processing according to claim 1 is characterized in that: long after glow luminous material is one or several particular combination of jaundice green, redness, cyan, blue-violet light; Green, blue.
7. according to claim 1,2 or 3 described paper medium information security processings, it is characterized in that: the pattern of described embedding is the pattern of a certain monochrome, or the mixed colors pattern.
8. paper medium information security processing according to claim 1 is characterized in that: said pattern is special pattern or encoded point system of battle formations case, or the two combination.
9. paper medium information security processing according to claim 8 is characterized in that: described encoded point system of battle formations case is that one dimension, two-dimensional bar code form are perhaps from the coding form of formulating.
10. paper medium information security processing according to claim 9 is characterized in that: described coding dot matrix, represent binary message a little " 1 ", blank space is information " 0 ".
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101258717A CN102663373A (en) | 2012-04-26 | 2012-04-26 | Paper medium information safety processing method based on long afterglow material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101258717A CN102663373A (en) | 2012-04-26 | 2012-04-26 | Paper medium information safety processing method based on long afterglow material |
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| CN102663373A true CN102663373A (en) | 2012-09-12 |
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| CN2012101258717A Pending CN102663373A (en) | 2012-04-26 | 2012-04-26 | Paper medium information safety processing method based on long afterglow material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391539A (en) * | 2020-04-10 | 2020-07-10 | 公安部第一研究所 | Card containing multicolor fluorescent pattern and manufacturing method thereof |
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| CN1132696A (en) * | 1995-04-07 | 1996-10-09 | 天津市戈德防伪技术公司 | Printing process of anti-forgery mark |
| CN1369376A (en) * | 2001-11-15 | 2002-09-18 | 北京中科模识科技有限公司 | Antifraud method for printed matter |
| CN1876396A (en) * | 2005-06-08 | 2006-12-13 | 东方惠科防伪技术有限责任公司 | False proof bill and method for producing the same |
| CN102381066A (en) * | 2011-04-28 | 2012-03-21 | 山东泰宝防伪技术产品有限公司 | Anti-counterfeiting label with multiple anti-counterfeiting and preparation method thereof |
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2012
- 2012-04-26 CN CN2012101258717A patent/CN102663373A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1132696A (en) * | 1995-04-07 | 1996-10-09 | 天津市戈德防伪技术公司 | Printing process of anti-forgery mark |
| CN1369376A (en) * | 2001-11-15 | 2002-09-18 | 北京中科模识科技有限公司 | Antifraud method for printed matter |
| CN1876396A (en) * | 2005-06-08 | 2006-12-13 | 东方惠科防伪技术有限责任公司 | False proof bill and method for producing the same |
| CN102381066A (en) * | 2011-04-28 | 2012-03-21 | 山东泰宝防伪技术产品有限公司 | Anti-counterfeiting label with multiple anti-counterfeiting and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 赵立龙等: "一种基于视觉特性及形态网屏编码的纸介质信息防伪方法", 《光电子.激光》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391539A (en) * | 2020-04-10 | 2020-07-10 | 公安部第一研究所 | Card containing multicolor fluorescent pattern and manufacturing method thereof |
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Application publication date: 20120912 |