CN1731414A - Method and apparatus for anti-counterfeiting of certificate based on human face identification technology - Google Patents
Method and apparatus for anti-counterfeiting of certificate based on human face identification technology Download PDFInfo
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- CN1731414A CN1731414A CN 200410053417 CN200410053417A CN1731414A CN 1731414 A CN1731414 A CN 1731414A CN 200410053417 CN200410053417 CN 200410053417 CN 200410053417 A CN200410053417 A CN 200410053417A CN 1731414 A CN1731414 A CN 1731414A
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Abstract
The invention relates to a certification anti-false method and apparatus based on human face identifying technology, which comprises certification making course and certification identifying course. It uses the scanned picture to generate a first template data and an integer picture and stores it into the certification during the certification making course; it uses the identifying apparatus to read the first template data and the integer picture and identifies weather the format is coincident with the rules; if it is coincident with the rules, it reduces the integer picture into the readable picture format, it then identifies weather it is same with the picture, if it is, it uses the integer picture to generate into a second template data, it then compares the first template data with the second template data.
Description
Technical field
The field of anti-counterfeit technology of the relevant a kind of certificate of the present invention, especially a kind of method and device of the certificate false proof based on face recognition technology.
Background technology
All kinds of certificates such as I.D., passport, academic certificate are as citizen's identity or qualifications and record of service qualification proof file, have serious legal effect and purposes very widely.For a period of time, all kinds of lawless persons forge all kinds of certificates without restraint in order to reach illegal objective, have seriously upset market and civil order, have brought stern challenge also for simultaneously the false proof work of certificate.In order to develop effective certificate false proof technology, the scientific research personnel has carried out long-term and unremitting effort.The certificate false proof technology that has come into operation is at present summarized, and mainly contains following several types:
1, materials chemistry anti-counterfeiting technology.Mainly utilize chemical substance under given conditions,, judge the true and false of sign as the variations such as signal of color, figure and instrument detecting as the special chemical phenomenon that light, electricity, water, heat, magnetic etc. are produced.The chemistry false proof mainly be with special chemical substance (encryption thing) admixture in carrier mass, this carrier of having encrypted has printing ink, paper, fiber and plastics etc., and is wherein maximum with printing ink.
2, antiforge laser holographic technology.Basic laws such as the scattering that produces when mainly utilizing light and matter interaction, reflection, transmission, absorption and diffraction to obtain certain special visual effect, are discerned the true and false purpose of product thereby reach.Are the various types of holographic techniques that utilize multilayered medium membrane structure, the optical grating construction of thin film interference effects and utilize the information optics notion in the false proof major technique means of optical field at present.
3, physics anti-counterfeiting technology.Mainly be that to utilize exclusive sensor technology in physics aspect and production equipment to carry out effectively false proof.Also developed in recent years and had hi-tech exclusivity and selectivity physics anti-counterfeiting technology, as implicit magnetic code technology, photochromic, optic metachromatic, molecular photochemistry and nuclear track anti-counterfeit technology.
4, printing and papermaking anti-counterfeiting technology.Be meant false proof measure is transferred on the printed matter by the mode of printing, make printed matter have identifiable function.Paper technology mainly is that batching and printing ink are false proof.Typography is false proof to be to adopt computer-aided design (CAD), electronic engraving, intaglio printing, rainbow printing, decorative pattern to dock, realize false proof to technology such as seal, wiring printing, refractive power printing, stealthy figure, image disruption printing, laser hologram figures.These technology are used for trade mark, seal paper money and securities more.
5, electronic register technology.Be the related content (text message, photo etc.) of certificate to be filed in authentication center's server, thereby the user can inquire about the true and false of checking certificate by Internet/Intranet by authentication center.This method has two to use prerequisite: 1, the related content of certificate must be filed in authentication center; 2, certificate verification must depend on network.In fact, in a large number the file work of certificate needs additionally to expend great amount of manpower and material resources undoubtedly; In numerous practical application, there is not the condition of online.
6, digital watermarking (Information hiding).Be in multi-medium data (image, video, audio frequency etc. also can be text messages), to add some numerical information to reach purposes such as file real and fake discrimination, copyright protection.The watermark information that embeds is hidden in host's file, does not influence the ornamental and the integrality of source document.Digital watermark technology can prevent more effectively that certificate is forged.To make personal identity card is example, generally will pass through processes such as photo scanning, signature, the input of accreditation machine, printing and plastic packaging.Above-mentioned new technology is before printing certificate, additional digital watermarking of hiding on photo.Specific practice is on photo the non information of people to be handled, and the photo after the processing is with the naked eye seen with just the same originally, must just can be detected digital watermarking with special scanner.
7, data encryption technology.This technology is mainly used in the false proof of machine readable certificate.Deposit the information storage area of certificate after the accreditation process is encrypted the machine sensible information of certificate in, the machine sensible information cryptographic algorithm is generally used special method.In proof procedure, the true and false of using the specialized equipment have corresponding decipher function to check certificate.The second generation I.D. that present China is issuing has promptly used this technology.This technology can prevent forged certificate or distort certificate machine sensible information content.
The starting point of above-mentioned technology mainly is the anti-pseudo problem that solves certificate itself, forges for the certificate of another kind of form---the lawful document of using other people is then powerless.For the anti-counterfeiting technology that relies on some special material or manufacture craft, method, in case the certificate adulterator has grasped manufactured materials, manufacture craft or the method for certificate, then these anti-counterfeiting technologies have obviously just lost meaning.In above-mentioned anti-counterfeiting technology, some technology just exists this problem.
Summary of the invention
The object of the present invention is to provide a kind of method and device of the certificate false proof based on face recognition technology, it not only can prevent general certificate personation, can also prevent effectively that the certificate adulterator from having grasped the personation certificate of making after the manufacture method of certificate.
The object of the present invention is achieved like this: a kind of method of the certificate false proof based on face recognition technology, and comprise accreditation and verify two parts, it is characterized in that:
In the accreditation program, may further comprise the steps:
At first carry out photo scanning;
Then photo is utilized face recognition technology to generate specific first template data and normalization photo;
Then above-mentioned first template data and normalization photo are write certificate;
In proving program, may further comprise the steps:
The first step utilizes examination equipment to read in first template data and normalization photo;
In second step, verify whether above-mentioned first template data and normalization data conform to prescribed form;
The 3rd step, if through the second step examination data fit then the normalization photo is reduced into the same form of scanned photograph and with certificate on look more whether read photo identical;
The 4th step then generated second template data by the accreditation process with the normalization photo as if coming to the same thing through the verification of the 3rd step, and relatively whether first template data is identical with second template data;
If above-mentioned arbitrary comparative result of second to the 4th step is otherwise shows that certificate is illegal, then do not need its later step.
In order to finish purpose of the present invention, a kind of device of the certificate false proof based on face recognition technology, be used for verifying the true and false as the certificate of above-mentioned accreditation program made, it is characterized in that: comprise signal-processing board, control panel and signal read in device, signal-processing board has processing module and memory module, processing module has the template corresponding with proof procedure and generates and the recognition of face program, the certificates checking program, signal processor links to each other by network interface with above-mentioned control panel, signal reads in device can read in additional clause first template data and normalization photo, and links to each other with control panel by serial ports.
Compared with prior art, the invention has the beneficial effects as follows:, can effectively prevent the personation of certificate, and can prevent that the fake producer from grasping the personation after the method for making owing to adopted the method for recognition of face to generate the template data of specific format.
Description of drawings
Fig. 1 is the schematic flow sheet of accreditation program of method that the present invention is based on the certificate false proof of face recognition technology.
Fig. 2 is the schematic flow sheet of proving program of method that the present invention is based on the certificate false proof of face recognition technology.
Fig. 3 is the structural representation that the present invention is based on the certificate false proof device of face recognition technology.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
See also shown in Figure 1ly, it shows the schematic flow sheet of accreditation process of the method for the certificate false proof based on face recognition technology of the present invention.When making certificate, at first scan certificate photograph, obtain the picture data after the digitizing.For some certificate (as China second-generation identity card), this step has been included among the common certificate making process.The resolution of scanner is not less than 300dpi (300 pixels of per inch).Then, utilize face recognition technology to generate specific first template data and normalization photo in photo, after promptly finishing steps such as the detection of people's face, recognition of face, facial feature extraction, photo normalized digital photos is converted into photo first template data (face characteristic data) according to the workflow of face identification system, people's face detection algorithm adopts the multiple dimensioned center of gravity template matches of multi-angle detection algorithm in above-mentioned steps, and face recognition algorithms adopts LDA (linear discriminatory analysis) method based on PCA (principal component analysis (PCA)) conversion.In the entire process process, there is the multinomial algorithm parameter can free within the specific limits value, as the selection of proper vector after the normalization size of photo, the PCA conversion, selection of LDA transform characteristics quantity etc.So, detect and recognizer though the assailant might learn people's face used in the present invention, the possible value number of combinations of algorithm key parameter is up to more than 10,000 hundred million, and it is very big therefore to crack difficulty for the assailant.In the normalized processing of photo, system has carried out the convergent-divergent processing to original photo, make its size satisfy unified length and width specification requirement (being normalized), the unified specification of above-mentioned photo is set at 32 (wide) * 32 (height) pixel, gray scale pictures data capacity after the normalization is 32*32=1024 byte (1K Byte), the present minimum of the first template data capacity is 110 bytes, generally is set at 880 bytes.Two item numbers are according to addition, and its storage space takies and is no more than 2K Byte, can satisfy the memory requirement of IC-card or two-dimensional bar code fully.Judge that the certificate material is IC-card or general paper, if IC-card then writes the data after the above-mentioned photo normalization and first template data in the IC-card; If the certificate of general paper, then picture data and template generate two-dimensional bar code, then two-dimensional bar code are imprinted on the paper, promptly make certificate.
Consult shown in Figure 2ly, it is the schematic flow sheet of the checking of using the anti-counterfeit method of credentials based on face recognition technology of the present invention.After making certificate, verify if desired whether certificate is legal obtaining, and holder be legal certificate everyone, need carry out following proving program, at first utilize examination equipment to read in first template data and normalization photo, use the IC-card read write line (or two-dimensional bar code reader) of certificate verification system to read in photo first template data and normalization photo.As long as first template data and normalization photo lack one or data layout and specific form is not inconsistent, can learn that then certificate is the illegal certificate of forging; If all there are and meet data layout in first template data and normalization photo, then at first the normalization photo is reduced into the same form of scanned photograph and with certificate on look and read photo and compare, if both are inconsistent, can learn that then certificate is the illegal certificate of forging; If passed through the check of above-mentioned steps, the certificate verification system then uses with corresponding to template generating algorithm of accreditation process and algorithm parameter the picture data that reads in is generated the second corresponding template data.If certificate is the perfect instrument of making by certificate making process of the present invention, then first template data and second template data in theory should be in full accord.Template similarity span used in the present invention is [1 ,+1].If the similarity of two templates is+1, show that then both are in full accord.The similarity value is low more, then the difference of two templates big more (being that certificate is forgery); If show that through above-mentioned verification similarity is bigger, by checking, then continue checking promptly by picture pick-up device input holder photo, and generate the 3rd template data according to the accreditation program, verify whether first template data is identical with the 3rd template data, if in the above-mentioned comparison step arbitrary comparative result for otherwise show that certificate is illegal, then can not carry out the step under it.
See also shown in Figure 3, it is the certificate false proof device that the present invention is based on face recognition technology, be used to verify the true and false according to the certificate of above-mentioned accreditation program made, comprise High Performance DSP signal-processing board 1, ARM control panel 2, possess lithium battery, two kinds of power supply modes of external AC, and be connected with minisize pick-up head 3, keyboard 4, LCDs 5, signal and read in device 6 input-output device such as (IC-card read write line or two-dimensional bar code reader are IC-card read write line 6 shown in the figure).Wherein, minisize pick-up head 3 directly links to each other by video interface with signal-processing board 1 by A/D converter spare, and other peripheral hardware all is connected with ARM control panel 2.Described DSP signal-processing board 1 links to each other with ARM control panel 2 by the internal network mouth.High Performance DSP treatment circuit plate 1 comprises processing module and memory module, and processing module has that the template corresponding with proof procedure generates and recognition of face program, certificates checking program.
By above method and device, the present invention has many advantages, and is wide, applicable in the scope of application False proof in all kinds of certificates. Certificate making process simple and fast does not have the spy to certificate manufacture craft, material Different requirement can use the standard universal equipment such as scanner, video camera, printer to finish the certificate making mistake Journey has been saved the accreditation cost effectively. Use special substance, printing ink, laser hologram imaging with tradition The method for anti-counterfeit such as technology are compared, and the accreditation cost can reduce more than 50%. The certificates checking process operation is easy, Application standard Authentication devices examination process is no more than 3 seconds, and the certificates checking result can automatically be recorded in checking and establish Among standby, the examination process need not the network environment support. Anti-counterfeiting performance is good, not only can prevent certificate The illegal forgery, but also can prevent illegally using of lawful document. It is traditional that lawful document is used The insoluble problem of anti-counterfeit method of credentials.
Claims (10)
1. the method based on the certificate false proof of face recognition technology comprises accreditation and verifies two parts,
It is characterized in that:
In the accreditation program, may further comprise the steps:
At first carry out photo scanning;
Then photo is utilized face recognition technology to generate specific first template data and normalization photo;
Then above-mentioned first template data and normalization photo are write certificate;
In proving program, may further comprise the steps:
The first step utilizes examination equipment to read in first template data and normalization photo;
In second step, verify whether above-mentioned first template data and normalization data conform to prescribed form;
The 3rd step, if through the second step examination data fit then the normalization photo is reduced into the same form of scanned photograph and with certificate on look more whether read photo identical;
The 4th step then generated second template data by the accreditation process with the normalization photo as if coming to the same thing through the verification of the 3rd step, and relatively whether first template data is identical with second template data;
If above-mentioned arbitrary comparative result of second to the 4th step is otherwise shows that certificate is illegal, then do not need its later step.
2. the method for the certificate false proof based on face recognition technology as claimed in claim 1, it is characterized in that: if verification comes to the same thing through the 4th step, proving program also comprised for the 5th step, promptly by picture pick-up device input holder photo, and generate the 3rd template data according to the accreditation program, verify whether first template data is identical with the 3rd template data, whether illegal with the checking holder.
3. the method for the certificate false proof based on face recognition technology as claimed in claim 1 is characterized in that: generate first template data through remarkable face trace routine, facial feature extraction program in the described accreditation process.
4. the method for the certificate false proof based on face recognition technology as claimed in claim 3 is characterized in that: described people's face trace routine is used the multiple dimensioned center of gravity template matches of multi-angle detection algorithm.
5. the method for the certificate false proof based on face recognition technology as claimed in claim 1 is characterized in that: described certificate adopts IC-card, writes the fashionable storage space that normalization photo and first template data is write IC-card in the accreditation program.
6. the method for the certificate false proof based on face recognition technology as claimed in claim 1, it is characterized in that: described certificate is a papery, writes fashionable normalization photo and first template data to be write document surface with the two-dimensional bar code of standard in the accreditation program.
7. device based on the certificate false proof of face recognition technology, be used for verifying the true and false as the certificate of claim 1 accreditation program made, it is characterized in that: comprise signal-processing board, control panel and signal read in device, signal-processing board has processing module and memory module, processing module has the template corresponding with proof procedure and generates and the recognition of face program, the certificates checking program, signal-processing board links to each other by network interface with above-mentioned control panel, signal reads in device can read in additional clause first template data and normalization photo, and links to each other with control panel by serial ports.
8. the device of the certificate false proof based on face recognition technology as claimed in claim 7, it is characterized in that: further comprise a camera, it links to each other by video interface with signal-processing board, vision signal can be imported above-mentioned signal-processing board.
9. the device of the certificate false proof based on face recognition technology as claimed in claim 7, it is characterized in that: described signal reads in device can be IC-card read write line or two-dimensional bar code reader.
10. the device based on the certificate false proof of face recognition technology of checking certificate as claimed in claim 7 is characterized in that: further comprise display and keyboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410053417 CN1731414A (en) | 2004-08-04 | 2004-08-04 | Method and apparatus for anti-counterfeiting of certificate based on human face identification technology |
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| CN 200410053417 CN1731414A (en) | 2004-08-04 | 2004-08-04 | Method and apparatus for anti-counterfeiting of certificate based on human face identification technology |
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| CN1731414A true CN1731414A (en) | 2006-02-08 |
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| CN 200410053417 Pending CN1731414A (en) | 2004-08-04 | 2004-08-04 | Method and apparatus for anti-counterfeiting of certificate based on human face identification technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083535A1 (en) * | 2007-01-11 | 2008-07-17 | Shanghai Isvision Technologies Co. Ltd. | Method for encrypting/decrypting electronic document based on human face identification |
| CN101038686B (en) * | 2007-01-10 | 2010-05-19 | 北京航空航天大学 | Method for recognizing machine-readable travel certificate |
| CN101999900B (en) * | 2009-08-28 | 2013-04-17 | 南京壹进制信息技术有限公司 | Living body detecting method and system applied to human face recognition |
| CN108229457A (en) * | 2017-12-14 | 2018-06-29 | 深圳市商汤科技有限公司 | Verification method, device, electronic equipment and the storage medium of certificate |
| CN108959862A (en) * | 2018-07-11 | 2018-12-07 | 南京环印防伪科技有限公司 | A kind of license method for anti-counterfeit based on digital watermarking and smart phone |
| CN110516739A (en) * | 2019-08-27 | 2019-11-29 | 阿里巴巴集团控股有限公司 | A kind of certificate recognition methods, device and equipment |
| CN113672964A (en) * | 2021-08-31 | 2021-11-19 | 大连市公安局 | Certificate inspection method based on standard sample feature database |
-
2004
- 2004-08-04 CN CN 200410053417 patent/CN1731414A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038686B (en) * | 2007-01-10 | 2010-05-19 | 北京航空航天大学 | Method for recognizing machine-readable travel certificate |
| WO2008083535A1 (en) * | 2007-01-11 | 2008-07-17 | Shanghai Isvision Technologies Co. Ltd. | Method for encrypting/decrypting electronic document based on human face identification |
| CN101999900B (en) * | 2009-08-28 | 2013-04-17 | 南京壹进制信息技术有限公司 | Living body detecting method and system applied to human face recognition |
| CN108229457A (en) * | 2017-12-14 | 2018-06-29 | 深圳市商汤科技有限公司 | Verification method, device, electronic equipment and the storage medium of certificate |
| WO2019114376A1 (en) * | 2017-12-14 | 2019-06-20 | 深圳市商汤科技有限公司 | Document verification method, device, electronic device, and storage medium |
| TWI706264B (en) * | 2017-12-14 | 2020-10-01 | 大陸商深圳市商湯科技有限公司 | Method and apparatus for verifying identity document, electronic device, and storage medium |
| US11256943B2 (en) | 2017-12-14 | 2022-02-22 | Shenzhen Sensetime Technology Co., Ltd. | Method and apparatus for verifying identity document, electronic device, and storage medium |
| CN108959862A (en) * | 2018-07-11 | 2018-12-07 | 南京环印防伪科技有限公司 | A kind of license method for anti-counterfeit based on digital watermarking and smart phone |
| CN110516739A (en) * | 2019-08-27 | 2019-11-29 | 阿里巴巴集团控股有限公司 | A kind of certificate recognition methods, device and equipment |
| CN113672964A (en) * | 2021-08-31 | 2021-11-19 | 大连市公安局 | Certificate inspection method based on standard sample feature database |
| CN113672964B (en) * | 2021-08-31 | 2024-01-23 | 大连市公安局 | Certificate checking method based on standard sample feature database |
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