CN101571910A - System and method for fingerprint identification - Google Patents
System and method for fingerprint identification Download PDFInfo
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- CN101571910A CN101571910A CNA2008100368709A CN200810036870A CN101571910A CN 101571910 A CN101571910 A CN 101571910A CN A2008100368709 A CNA2008100368709 A CN A2008100368709A CN 200810036870 A CN200810036870 A CN 200810036870A CN 101571910 A CN101571910 A CN 101571910A
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Abstract
The invention relates to a system and a method for fingerprint identification. The system comprises an input end and an authentication end, wherein the input end comprises a fingerprint scanning unit and a processing unit; and a character code authentication system is arranged in the authentication end. The fingerprint identification method comprises the following steps: firstly, a user fingerprint is scanned by the fingerprint scanning unit and a fingerprint figure is generated; secondly, the fingerprint figure is converted and analyzed by the processing unit; thirdly, an analyzing result is converted by the processing unit to generate a character code with a plurality of bits; fourthly, the character code is transmitted to the authentication end by the processing unit; finally, the character code is authenticated by the character code on the authentication end; and therefore, a user can be authenticated only by scanning the fingerprint. The system and the method for fingerprint identification can be operated and achieves the aim of safe authentication without mounting image identification software on the authentication end, thereby being convenient to use.
Description
[technical field]
The present invention relates to a kind of fingerprint recognition system and method thereof, the especially a kind of fingerprint recognition system and method thereof that can also directly generate password at the input end scanning fingerprint.
[background technology]
Fingerprint identification technology is born before many decades, yet is confined to military affairs and security fields always, is in the stage of minority professional application all the time, not by extensively popularization and application.Since nineteen nineties, because the continuous progress of microelectric technique, the cost of fingerprint identification technology constantly reduces, and the fingerprint identification device volume also constantly dwindles, simultaneously there are a large amount of companies and group that it is studied again, thereby develop into so far, fingerprint identification function has almost become the standard configuration of some portable sets (as notebook computer, personal digital assistant etc.).
The portable set that employing has fingerprint identification function makes that the safety certification of equipment is more reliable, the notebook computer that has fingerprint identification function with the part of IBM Corporation is an example, its inside is integrated with fingerprint identification device, and its keyboard below is provided with a finger scan device, this scanister is connected with this fingerprint identification device, when using computer, only need before the finger scan device fingerprint scanned and to finish authentication, this kind method has replaced existing password input authentication method, avoided the user need remember a plurality of passwords and cause confusion or the generation of fortuitous event such as forget, and this kind method is safer.
As shown in Figure 1, form module map for existing fingerprint recognition system; Existing fingerprint recognition system comprises an input end 40 and an authentication end 50, and input end 40 is connected with authentication end 50, and this input end 40 is provided with a finger scan unit 41, and this authentication end 50 is provided with an image identification unit 50; Its course of work is as follows: at first generate a fingerprint image by finger scan unit 41 scanning user fingerprints; Then this fingerprint image is sent to authentication end 50; Compare authentication by having deposited fingerprint image on 51 pairs of these fingerprint images of image identification unit on the authentication end 50 and the authentication end again, if coupling, authentication success then, the user can carry out next step operation, otherwise authentification failure, system reports an error.
From the above, existing fingerprint recognition system need be installed corresponding image recognition software on the authentication end, be described image identification unit 51, if no corresponding image recognition software then fingerprint identification device can't use, thereby make troubles to user's use easily.
[summary of the invention]
In view of above problem, the invention provides a kind of fingerprint recognition system and method thereof, the particularly a kind of fingerprint recognition system and method that can directly generate finger-print cipher at input end needs to finish by identification software the defective of authentication to overcome existing fingerprint recognition system.
For achieving the above object, fingerprint recognition system provided by the present invention comprises an input end, and this input end comprises: a finger scan unit, in order to user fingerprints is scanned and generates fingerprint image; One processing unit, this processing unit is connected with the finger scan unit, generates a character password in order to fingerprint image is analyzed conversion; This system also comprises an authentication end, and this authentication end is connected with this input end, is provided with a character password Verification System in this authentication end, authenticates in order to the character password that input end is generated.
Utilize the fingerprint identification method of above system, these method following steps: at first user fingerprints is scanned and generates a fingerprint image by described finger scan unit; Secondly by described processing unit this fingerprint image is carried out transformational analysis; By described processing unit analysis result is changed then and converted and generate one some character password; By processing unit this character password is sent to the authentication end more afterwards; By the character password Verification System on the authentication end this character password is authenticated at last.So, the user only need be scanned fingerprint, can finish authentication.
Compared to prior art, fingerprint recognition system provided by the present invention and method thereof, it directly generates character password and is input to the authentication end at input end and authenticates, and the purpose that image recognition software could move and reach safety certification need be installed on the authentication end, thereby use is comparatively convenient.
[description of drawings]
Fig. 1 forms module map for existing fingerprint recognition system.
Fig. 2 is that fingerprint recognition system provided by the invention is formed module map.
Fig. 3 is a fingerprint identification method workflow diagram provided by the invention.
Fig. 4 is the thin portion workflow diagram of Fig. 3.
[embodiment]
For technical characterictic of the present invention and workflow are had further understanding, be elaborated below in conjunction with accompanying drawing.
Fingerprint recognition system principle of work provided by the present invention is similar to the input of barcode scanner, when market shopping, only need to scan with the bar code of bar-code scanner to purchasing commodity, can learn the information such as kind, model, price of these commodity, this kind method has been utilized the characteristics of the uniqueness of bar code.In like manner, fingerprint recognition system provided by the present invention and method are according to the characteristics of fingerprint uniqueness, only need scan fingerprint, obtain unique password string and the input system that long numeral or upper and lower case letter or special symbol are formed with unified algorithm then, thereby can enter system or system is managed.
As shown in Figure 2, form module map for fingerprint recognition system provided by the present invention; This fingerprint recognition system comprises an input end 10, this input end 10 is a keyboard 10 in the present embodiment, this keyboard 10 comprises a finger scan unit 11, keyboard 10 surfaces are located in this finger scan unit 11, be used for user fingerprints is scanned and generate a fingerprint image, these keyboard 10 inside also are embedded a processing unit 12, and this processing unit 12 is connected with finger scan unit 11, in order to fingerprint image is analyzed the last character password that generates of conversion; This fingerprint recognition system also comprises an authentication end 20, this authentication end 20 is connected with input end 10, this authentication end 20 is a computer in the present embodiment, these authentication end 20 inside are provided with a character password Verification System 21, discern authentication in order to the character password that input end 10 is generated, wherein, 12 pairs of fingerprint image analyses of this processing unit are converted to last generation one character password and are meant: this processing unit 12 is selected several features point and is drawn the position coordinates of these unique points and the distance that each unique point arrives next unique point on fingerprint image, angle, thus transformational analysis obtains an analysis result; Processing unit 12 uses a password transfer algorithm analysis result to be changed and converted and generates unique character password of one some.
As shown in Figure 3, for the invention provides the fingerprint identification method workflow diagram, may further comprise the steps: at first scan and generate fingerprint image (step 301) by the 11 pairs of user fingerprints in described finger scan unit; Secondly carry out transformational analysis (step 302) by 12 pairs of fingerprint images of described processing unit; Use a password transfer algorithm analysis result to be changed and converted by described processing unit 12 then and generate unique character password (step 303) of one some; Should send to authentication end 20 (steps 304) by unique character password by processing unit 12 more afterwards; Authenticate (step 305) by 21 pairs of these the unique character passwords of character password demonstration system on the authentication end 20 at last.So, the user only need be scanned fingerprint, can finish authentication.
See also Fig. 4, Fig. 4 is the thin portion workflow diagram of Fig. 3.
Wherein, step 302 specifically can comprise the following step: processing unit 12 is selected several features point (step 401) on fingerprint image; Processing unit 12 draws the position coordinates (step 402) of these unique points; Processing unit 12 draws distance, the angle (step 403) of above-mentioned each unique point to next unique point; Processing unit 12 is with above-mentioned each characteristic point position coordinate and carry out transformational analysis to distance, the angle of next unique point and obtain an analysis result (step 404).
Wherein, in step 303, unique character password that processing unit 12 is generated can be combined mutually by in the special symbol that can represent on numeral, capitalization English letter, small letter English alphabet and the general keyboard one or more, this Password Length can be 128 or 256 even longer, if password is 128, above-mentioned unique point just can be selected less, for example be 20, if password is 256, above-mentioned unique point just can be selected more a plurality of, for example is 40; And for different fingerprint images, the character password that this processing unit 12 is generated is all inequality, and also promptly this character password has uniqueness; In step 304 and 305, the necessary component that described character password Verification System 21 all need possess by general computer operating system, as in operating systems such as Windows, Linux, all carrying out authentication, so repeat no more by the character password Verification System.
Fingerprint recognition system provided by the present invention and method thereof, owing to the processing unit that the analysis switching motion that cooperates the authentication end to be finished former cause identification software is transferred in the input end is finished, thereby can directly generate a character password and input authentication end at input end, also promptly replace the user manually to input password with this character password, do not need fully image recognition software to be installed at the authentication end, thereby be user-friendly to, have better practicability.
Behind the input fingerprint, generally generate this fingerprint image, select unique point, this technology belongs to the prior biological recognition technology, then with the position X of each point, Y, and this point is formed numerical ciphers in the lump to distance, the angle of next point, as want 128, just select a little less unique point, as 20, as want 256 just select 40, certainly unique point is many more, and the degree of accuracy of identification is high more.
Claims (10)
1. a fingerprint recognition system is characterized in that, this system comprises:
One input end comprises:
One finger scan unit is in order to scan and to generate a fingerprint image to user fingerprints;
One processing unit, this processing unit is connected with the finger scan unit, generates a character password in order to fingerprint image is analyzed conversion;
This system also comprises an authentication end, and this authentication end is connected with this input end, is provided with a character password Verification System in this authentication end, in order to the character password that input end generated is discerned authentication.
2. fingerprint recognition system as claimed in claim 1, it is characterized in that: this processing unit is converted to last generation one character password to fingerprint image analysis and is meant: this processing unit is selected several features point and is drawn the position coordinates of these unique points and distance, the angle that each unique point arrives next unique point on fingerprint image, thereby transformational analysis obtains an analysis result; Processing unit uses a password transfer algorithm analysis result to be changed and converted and generates unique character password of one some.
3. fingerprint recognition system as claimed in claim 1 or 2 is characterized in that: described input end is a keyboard.
4. fingerprint recognition system as claimed in claim 1 or 2 is characterized in that: described authentication end is a computer.
5. the fingerprint identification method of a fingerprint recognition system is characterized in that, this method may further comprise the steps:
A. user fingerprints is scanned and generates a fingerprint image by described finger scan unit;
B. by described processing unit this fingerprint image is carried out transformational analysis;
C. by described processing unit analysis result is changed and converted and generate one some character password;
D. by described processing unit this character password is sent to the authentication end;
E. by the character password Verification System on the authentication end this character password is authenticated.
6. fingerprint identification method as claimed in claim 5 is characterized in that: above-mentioned steps B specifically comprises step: processing unit is selected the several features point on fingerprint image; Processing unit draws the position coordinates of these unique points; Processing unit draws distance, the angle of above-mentioned each unique point to next unique point; Processing unit is with above-mentioned each characteristic point position coordinate and carry out transformational analysis to distance, the angle of next unique point and obtain an analysis result.
7. as claim 5 or 6 described fingerprint identification methods, it is characterized in that: described character password is formed by the one or more combination in the special symbol that can represent on numeral, capitalization English letter, small letter English alphabet and the general keyboard.
8. as claim 5 or 6 described fingerprint identification methods, it is characterized in that: for different fingerprint images, described processing unit is all inequality by the character password that conversion and conversion are generated.
9. as claim 5,6 described fingerprint identification methods, it is characterized in that: described character password length is 128 or 256.
10. fingerprint identification method as claimed in claim 7 is characterized in that: described character password length is 128 or 256.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100368709A CN101571910A (en) | 2008-04-29 | 2008-04-29 | System and method for fingerprint identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100368709A CN101571910A (en) | 2008-04-29 | 2008-04-29 | System and method for fingerprint identification |
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| CN101571910A true CN101571910A (en) | 2009-11-04 |
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| CNA2008100368709A Pending CN101571910A (en) | 2008-04-29 | 2008-04-29 | System and method for fingerprint identification |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891751A (en) * | 2011-07-21 | 2013-01-23 | 中国移动通信集团公司 | Method and equipment for generating business code from fingerprint image |
| CN103250160A (en) * | 2010-10-15 | 2013-08-14 | 惠普发展公司，有限责任合伙企业 | Authenticate a fingerprint image |
| CN104636650A (en) * | 2015-02-05 | 2015-05-20 | 惠州Tcl移动通信有限公司 | Sliding type capacitance fingerprint identification method and system and unblocking method of system |
| CN105590044A (en) * | 2014-10-23 | 2016-05-18 | 阿里巴巴集团控股有限公司 | Information authentication method and apparatus |
| CN106210430A (en) * | 2016-07-14 | 2016-12-07 | 国网山东省电力公司梁山县供电公司 | A kind of hand-held file administration input device |
| CN109561074A (en) * | 2018-10-31 | 2019-04-02 | 北京中电华大电子设计有限责任公司 | A kind of cloud security system and method for finger print identifying |
-
2008
- 2008-04-29 CN CNA2008100368709A patent/CN101571910A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250160A (en) * | 2010-10-15 | 2013-08-14 | 惠普发展公司，有限责任合伙企业 | Authenticate a fingerprint image |
| CN102891751A (en) * | 2011-07-21 | 2013-01-23 | 中国移动通信集团公司 | Method and equipment for generating business code from fingerprint image |
| CN102891751B (en) * | 2011-07-21 | 2016-06-22 | 中国移动通信集团公司 | From the method and apparatus that fingerprint image generates business password |
| CN105590044A (en) * | 2014-10-23 | 2016-05-18 | 阿里巴巴集团控股有限公司 | Information authentication method and apparatus |
| CN105590044B (en) * | 2014-10-23 | 2018-12-21 | 阿里巴巴集团控股有限公司 | A kind of information authentication method and device |
| CN104636650A (en) * | 2015-02-05 | 2015-05-20 | 惠州Tcl移动通信有限公司 | Sliding type capacitance fingerprint identification method and system and unblocking method of system |
| CN106210430A (en) * | 2016-07-14 | 2016-12-07 | 国网山东省电力公司梁山县供电公司 | A kind of hand-held file administration input device |
| CN109561074A (en) * | 2018-10-31 | 2019-04-02 | 北京中电华大电子设计有限责任公司 | A kind of cloud security system and method for finger print identifying |
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