CN106778214A - Fingerprint verification method and system - Google Patents
Fingerprint verification method and system Download PDFInfo
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- CN106778214A CN106778214A CN201510815219.1A CN201510815219A CN106778214A CN 106778214 A CN106778214 A CN 106778214A CN 201510815219 A CN201510815219 A CN 201510815219A CN 106778214 A CN106778214 A CN 106778214A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/50—Maintenance of biometric data or enrolment thereof
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- General Physics & Mathematics (AREA)
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- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention discloses a kind of fingerprint verification method and system, it is related to finger print identifying technical field, wherein, method includes：Randomly generate symbol logo sequence and be shown to user；Receive information in fingerprint of the user according to the symbol logo sequence inputting；Corresponding fingerprint image sequence is generated according to the symbol logo sequence；It is authenticated using the information in fingerprint of the fingerprint image sequence pair user input.The present invention can improve the security of finger print identifying.
Description
Technical field
The present invention relates to finger print identifying technical field, especially a kind of fingerprint verification method and system.
Background technology
Existing fingerprint verification method is simple single fingerprint verification method, i.e. user passes through
Single fingerprint is to be capable of achieving certification.This method is easy to pretend to be true use using fingerprint sleeve by other people
Family carries out fingerprint recognition, there are serious security breaches, have impact on the application of finger print identifying.
Therefore, need a kind of certificate scheme improving the security of finger print identifying.
The content of the invention
One purpose of the embodiment of the present invention is：A kind of fingerprint verification method and system are provided, to carry
The security of finger print identifying high.
According to an aspect of the present invention, there is provided a kind of fingerprint verification method, including：Randomly generate symbol
Number mark and is shown to user at sequence；Receive fingerprint of the user according to the symbol logo sequence inputting
Image information；Corresponding fingerprint image sequence is generated according to the symbol logo sequence；Using institute
The information in fingerprint for stating fingerprint image sequence pair user input is authenticated.
In one embodiment, corresponding fingerprint image sequence is generated according to the symbol logo sequence
The step of row, includes：For i-th symbol logo in the symbol logo sequence, inquiry is relative
The fingerprint image answered, as i-th fingerprint image in fingerprint image sequence, wherein 1≤i≤
N, N are the symbol logo number in the symbol logo sequence.
In one embodiment, believed using the fingerprint image of the fingerprint image sequence pair user input
The step of breath is authenticated includes：By i-th fingerprint image in the fingerprint image sequence and institute
I-th fingerprint image stated in information in fingerprint is matched；If in the information in fingerprint
Whole fingerprint images the match is successful, then judge certification success；If being deposited in the information in fingerprint
Unsuccessful fingerprint image is being matched, is then judging authentification failure.
In one embodiment, after authentification failure is judged, also include：User is reminded according to described
Symbol logo sequence re-enters information in fingerprint, then performs and receives user according to the symbol
The step of identifying the information in fingerprint of sequence inputting.
In one embodiment, after authentification failure is judged, also include：Again symbol is randomly generated
Mark sequence is simultaneously shown to user, then performs and receives user according to the symbol logo sequence inputting
Information in fingerprint the step of.
In one embodiment, also include：The fingerprint image of user's difference finger is gathered in advance；Connect
The corresponding symbol logo of fingerprint image of the different fingers of user input is received, and preserves different fingers
The corresponding relation of fingerprint image and symbol logo.
In one embodiment, the symbol logo is letter or number.
According to another aspect of the present invention, there is provided a kind of fingerprint identification system, including：Symbol logo
Sequence generation module, for randomly generating symbol logo sequence and being shown to user；Fingerprint image connects
Module is received, for receiving information in fingerprint of the user according to the symbol logo sequence inputting；Refer to
Print image sequence generating module, for generating corresponding fingerprint image according to the symbol logo sequence
As sequence；Fingerprint authentication module, for the fingerprint using the fingerprint image sequence pair user input
Image information is authenticated.
In one embodiment, the fingerprint image sequence generating module, specifically for for described
I-th symbol logo in symbol logo sequence, inquires about corresponding fingerprint image, as finger
I-th fingerprint image in print image sequence, wherein 1≤i≤N, N are the symbol logo sequence
Symbol logo number in row.
In one embodiment, the fingerprint authentication module is specifically for by the fingerprint image sequence
In i-th fingerprint image matched with i-th fingerprint image in the information in fingerprint；
If the match is successful for the whole fingerprint images in the information in fingerprint, certification success is judged；If
There is the unsuccessful fingerprint image of matching in the information in fingerprint, then judge authentification failure.
In one embodiment, the fingerprint authentication module, is additionally operable to after authentification failure is judged,
Remind user to re-enter information in fingerprint according to the symbol logo sequence, then indicate described
Image receiver module performs the information in fingerprint for receiving user according to the symbol logo sequence inputting
The step of.
In one embodiment, the fingerprint authentication module, is additionally operable to after authentification failure is judged,
The symbol logo sequence generation module is indicated to randomly generate symbol logo sequence again and be shown to use
Family, then indicates described image receiver module to perform reception user defeated according to the symbol logo sequence
The step of information in fingerprint for entering.
In one embodiment, also include：Fingerprint image acquisition module, for collection user in advance
The fingerprint image of different fingers；Fingerprint mapping block, the different fingers for receiving user input
The corresponding symbol logo of fingerprint image, and it is right with symbol logo to preserve the fingerprint image of different fingers
Should be related to.
In one embodiment, the symbol logo is letter or number.
The present invention is based on the basis of original fingerprint recognition, it is proposed that a kind of dynamic random finger print identifying
Method, user needs to be input into fingerprint image sequence, and the fingerprint being input into every time in finger print identifying
Sequence is different, and the fingerprint sequence authentication method of this random combine increases authentication method and broken
The difficulty of solution, enhances the level of security of fingerprint recognition, it is to avoid the office of single fingerprint verification method
It is sex-limited, drastically increase the security of finger print identifying.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it is clear that
Ground, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic flow sheet of fingerprint verification method one embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another embodiment of fingerprint verification method of the present invention；
Fig. 3 is an instantiation of fingerprint verification method of the present invention；
Fig. 4 is the block diagram of fingerprint identification system one embodiment of the present invention；
Fig. 5 is the block diagram of another embodiment of fingerprint identification system of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only a real part of the invention
Example is applied, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
Unless specifically stated otherwise, the part and the phase of step for otherwise illustrating in these embodiments
Arrangement, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously, it should be appreciated that for the ease of description, the chi of the various pieces shown in accompanying drawing
Very little is not to be drawn according to actual proportionate relationship.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
It is thin to discuss, but in the appropriate case, the technology, method and apparatus should be considered as authorizing to be said
A part for bright book.
In all examples shown here and discussion, any occurrence should be construed as merely
Exemplary, not as limitation.Therefore, the other examples of exemplary embodiment can have
There are different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore,
Once being defined in a certain Xiang Yi accompanying drawing, then it need not be carried out in subsequent accompanying drawing
It is discussed further.
Fig. 1 is the schematic flow sheet of fingerprint verification method one embodiment of the present invention.As shown in figure 1,
The method comprises the following steps：
Step 102, randomly generates symbol logo sequence and is shown to user.
Wherein, symbol logo for example can be letter or number, and correspondingly, symbol logo sequence can
To be alphabetical sequence, such as acfe, or Serial No. 1346.Also, in symbol logo sequence
Sequence number mark can repeat, such as alphabetical sequence can be adeae etc..
Step 104, receives information in fingerprint of the user according to symbol logo sequence inputting.
User can be input into information in fingerprint, the fingerprint of such as user input according to symbol logo sequence
Image information is left forefinger image, left finger image, right thumb image and right little finger of toe image.
Step 106, corresponding fingerprint image sequence is generated according to symbol logo sequence.
The different fingerprint images of different symbol logo correspondences, the fingerprint image sequence for being generated can be with
Be fingerprint image corresponding with the symbol logo in symbol logo sequence random alignment, or
The order arrangement of fingerprint image corresponding with the symbol logo in symbol logo sequence, hereinafter will respectively
Both of these case is illustrated.
Step 108, is authenticated using the information in fingerprint of fingerprint image sequence pair user input.
The fingerprint verification method that the present embodiment is provided, user needs to be input into fingerprint image in finger print identifying
As sequence, and the fingerprint sequence being input into every time is different, the fingerprint sequence of this random combine
Authentication method increases the difficulty that authentication method is cracked, it is to avoid the office of single fingerprint verification method
It is sex-limited, drastically increase security.
Above-mentioned steps 106 and 108 can be realized by different modes.The present invention gives two
Plant concrete implementation mode.
In one implementation, step 104 shown in Fig. 1 can be realized in the following way：
Corresponding fingerprint image sequence is generated according to symbol logo sequence, in fingerprint image sequence, with
The corresponding fingerprint image of symbol logo in symbol logo sequence is random alignment.For example, user
Left forefinger image, left finger image, right thumb image and the right little finger of toe image for pre-entering are corresponding
Symbol logo is respectively a, c, e and f, then when the symbol logo sequence for randomly generating is acef,
The corresponding fingerprint image sequence for being generated can be left forefinger image, left finger image, right thumb
Refer to four random alignments of image information of image and right little finger of toe image.
Correspondingly, in the implementation, fingerprint image sequence pair user is utilized in subsequent step 106
When the information in fingerprint of input is authenticated, as long as the information in fingerprint in user input is a left side
Be can be certified into during the combination of forefinger image, left finger image, right thumb image and right little finger of toe image
Work(.
In another implementation, step 104 shown in Fig. 1 can be realized in the following way：
For i-th symbol logo in symbol logo sequence, corresponding fingerprint image is inquired about, to make
It is i-th fingerprint image in fingerprint image sequence, wherein 1≤i≤N, N are symbol logo sequence
Symbol logo number in row.If that is, left forefinger image, left finger that user pre-enters
Image, right thumb image and the corresponding symbol logo of right little finger of toe image are respectively a, c, e and f,
Then when the symbol logo sequence for randomly generating is acef, the corresponding fingerprint image sequence for being generated
Row are given birth to according to the order of left forefinger image, left finger image, right thumb image and right little finger of toe image
Into.
Correspondingly, in the implementation, fingerprint image sequence pair user is utilized in subsequent step 106
When the information in fingerprint of input is authenticated, by i-th fingerprint image in fingerprint image sequence
Matched with i-th fingerprint image in information in fingerprint；If complete in information in fingerprint
The match is successful for portion's fingerprint image, then judge certification success；If there is matching not in information in fingerprint
Successful fingerprint image, then judge authentification failure.
In this implementation, in the information in fingerprint using fingerprint image sequence pair user input
The order of fingerprint image in fingerprint image sequence, only fingerprint image letter are take into account when being authenticated
Whole fingerprint images in breath just judge certification success when the match is successful, further improve fingerprint and recognize
The security of card.
In addition, after authentification failure is judged, user can also be reminded to re-start certification, prompting
Mode can have various, the invention provides two kinds of exemplary modes.
Under a kind of mode, after authentification failure is judged, generated before may remind the user that basis
Symbol logo sequence re-enters information in fingerprint, then performs reception user's root in step 104
According to symbol logo sequence inputting information in fingerprint the step of.
Under another way, after authentification failure is judged, new symbol mark can be again randomly generated
Know sequence and be shown to user, reception user is according to symbol logo sequence in then performing step 104
The step of information in fingerprint of input.
Fig. 2 is the schematic flow sheet of another embodiment of fingerprint verification method of the present invention.Such as Fig. 2 institutes
Show, the method comprises the following steps：
Step 202, gathers the fingerprint image of user's difference finger in advance.
For example, ten fingerprint images of finger of user can be in advance gathered by terminal device, or
Person can also gather the fingerprint image of the finger of other quantity, then in the Verification System of typing backstage.
Step 204, receives the corresponding symbol logo of fingerprint image of the different fingers of user input,
And preserve the fingerprint image of different fingers and the corresponding relation of symbol logo.
So that symbol logo is for letter as an example, for each user, user can independently set up ten
One-to-one relationship in the fingerprint image of individual finger and specified set of letters between each letter,
After user is input into different letters for different fingers, the fingerprint image and word of different fingers are preserved
Female corresponding relation.
Step 206, randomly generates symbol logo sequence and is shown to user.
Step 208, receives information in fingerprint of the user according to symbol logo sequence inputting.
Step 210, corresponding fingerprint image sequence is generated according to symbol logo sequence.
Step 212, is authenticated using the information in fingerprint of fingerprint image sequence pair user input.
Wherein, step 206- steps 212 are corresponding with the step 102- steps 108 in Fig. 1, specifically
Realization is referred to the description of embodiment illustrated in fig. 1, will not be repeated here.
In the present embodiment, the fingerprint image of user is gathered in advance, and fingerprint is input into by user in itself
The corresponding relation of image and symbol logo, so that between the fingerprint and symbol logo of each user
Corresponding relation it is each different, have extremely strong privacy, further improve the safety of finger print identifying
Property.
It is below the fingerprint image of ten fingers, symbol logo as letter is with the fingerprint image of advance collection
Example, illustrates with reference to Fig. 3 to fingerprint verification method.
As shown in figure 3, user-defined ten finger fingerprint is with the corresponding relation of letter：Left thumb,
Left forefinger, left finger, left nameless, left little finger of toe, right thumb, RIF, right middle finger, right nothing
Name refers to, the letter that right little finger of toe is corresponding in turn to is：a、b、c、d、f、e、g、h、i、j.When
When the alphabetical sequence of the requirement user authentication for randomly generating is acfhe, the only fingerprint of user input
When image information is followed successively by left thumb, left finger, right thumb, right middle finger, left little finger of toe, certification is
Can be successful, compared with existing single finger print identifying, greatly improve the security of finger print identifying.
The present invention provide fingerprint verification method can be used for but be not limited to gate control system, logins, prop up
Pay to wait and require privacy application field high.
Each embodiment is described by the way of progressive in this specification, and each embodiment emphasis is said
Bright is all the difference with other embodiments, same or analogous part between each embodiment
Cross-reference.For system embodiment, because it is substantially corresponding with embodiment of the method,
So description is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
With fingerprint verification method accordingly, present invention also offers a kind of fingerprint identification system.Below
Illustrated with reference to Fig. 4 and embodiment illustrated in fig. 5.
Fig. 4 is the block diagram of fingerprint identification system one embodiment of the present invention.As shown in figure 4, this is
System includes symbol logo sequence generation module 401, fingerprint image receiver module 402, fingerprint image
Sequence generating module 403 and fingerprint authentication module 404, wherein：
Symbol logo sequence generation module 401, for randomly generating symbol logo sequence and being shown to
User；Wherein, symbol logo is, for example, letter or number；
Fingerprint image receiver module 402, for receiving finger of the user according to symbol logo sequence inputting
Print image information；
Fingerprint image sequence generating module 403, it is corresponding for being generated according to symbol logo sequence
Fingerprint image sequence；
Fingerprint authentication module 404, for the fingerprint image using fingerprint image sequence pair user input
Information is authenticated.
The fingerprint identification system that the present embodiment is provided, user needs the fingerprint of input in each certification
Image sequence is different, and the fingerprint sequence authentication method of this random combine increases authentication method
The difficulty being cracked, it is to avoid the limitation of single fingerprint verification method, drastically increases safety
Property.
In order to further improve the security of finger print identifying, in one embodiment, fingerprint image sequence
Column-generation module 403, specifically for for i-th symbol logo in symbol logo sequence, looking into
Corresponding fingerprint image is ask, as i-th fingerprint image in fingerprint image sequence, wherein
1≤i≤N, N are the symbol logo number in symbol logo sequence.Correspondingly, in the embodiment
Fingerprint authentication module 404 specifically for by i-th fingerprint image in fingerprint image sequence with refer to
I-th fingerprint image in print image information is matched；If all referring in information in fingerprint
The match is successful for print image, then judge certification success；If it is unsuccessful to there is matching in information in fingerprint
Fingerprint image, then judge authentification failure.
In one embodiment, referring to Fig. 4, fingerprint authentication module 404 is additionally operable to judging certification
After failure, remind user to re-enter information in fingerprint according to symbol logo sequence, then indicate
Image receiver module 402 performs the information in fingerprint for receiving user according to symbol logo sequence inputting
The step of.
In one embodiment, referring to Fig. 4, fingerprint authentication module 404 is additionally operable to judging certification
After failure, designated symbol mark sequence generation module 401 randomly generates symbol logo sequence simultaneously again
User is shown to, is then indicated image receiver module 402 to perform and is received user according to symbol logo sequence
The step of arranging the information in fingerprint of input.
Fig. 5 is the block diagram of another embodiment of fingerprint identification system of the present invention.Implement with shown in Fig. 4
Example is compared, and the system of the embodiment also includes fingerprint image acquisition module 501 and fingerprint mapping block
502, wherein：
Fingerprint image acquisition module 501, for the fingerprint image of collection user difference finger in advance；
Fingerprint mapping block 502, the fingerprint image correspondence of the different fingers for receiving user input
Symbol logo, and preserve the fingerprint image of different fingers and the corresponding relation of symbol logo.
In the present embodiment, the fingerprint image of user is gathered in advance, and fingerprint is input into by user in itself
The corresponding relation of image and symbol logo, so that between the fingerprint and symbol logo of each user
Corresponding relation it is each different, have extremely strong privacy, further improve the security of certification.
One of ordinary skill in the art will appreciate that：Realize all or part of above method embodiment
Step can be completed by the related hardware of programmed instruction, and foregoing program can be stored in a meter
In calculation machine read/write memory medium, upon execution, execution includes above method embodiment to the program
Step；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can
With the medium of store program codes.
Description of the invention is given for the sake of example and description, and is not exhaustively
Or limit the invention to disclosed form.Common skill of many modifications and variations for this area
It is obvious for art personnel.Selection and description embodiment are to more preferably illustrate principle of the invention
And practical application, and make one of ordinary skill in the art it will be appreciated that the present invention is suitable so as to design
In the various embodiments with various modifications of special-purpose.
Claims (14)
1. a kind of fingerprint verification method, it is characterised in that including：
Randomly generate symbol logo sequence and be shown to user；
Receive information in fingerprint of the user according to the symbol logo sequence inputting；
Corresponding fingerprint image sequence is generated according to the symbol logo sequence；
It is authenticated using the information in fingerprint of the fingerprint image sequence pair user input.
2. method according to claim 1, it is characterised in that according to the symbol logo
The step of sequence generates corresponding fingerprint image sequence includes：
For i-th symbol logo in the symbol logo sequence, corresponding fingerprint image is inquired about
Picture, as i-th fingerprint image in fingerprint image sequence, wherein 1≤i≤N, N are institute
State the symbol logo number in symbol logo sequence.
3. method according to claim 2, it is characterised in that utilize the fingerprint image
The step of information in fingerprint of sequence pair user input is authenticated includes：
By in i-th fingerprint image in the fingerprint image sequence and the information in fingerprint
I-th fingerprint image is matched；
If the match is successful for the whole fingerprint images in the information in fingerprint, certification success is judged；
If there is the unsuccessful fingerprint image of matching in the information in fingerprint, judge that certification is lost
Lose.
4. method according to claim 3, it is characterised in that after authentification failure is judged,
Also include：
Remind user to re-enter information in fingerprint according to the symbol logo sequence, then perform
User is received according to the step of the information in fingerprint of the symbol logo sequence inputting.
5. method according to claim 3, it is characterised in that after authentification failure is judged,
Also include：
Again randomly generate symbol logo sequence and be shown to user, then perform receive user according to
The step of information in fingerprint of the symbol logo sequence inputting.
6. the method according to any one of claim 1-5, it is characterised in that also include：
The fingerprint image of user's difference finger is gathered in advance；
The corresponding symbol logo of fingerprint image of the different fingers of user input is received, and preserves difference
The fingerprint image of finger and the corresponding relation of symbol logo.
7. the method according to claim 1-5 any one, it is characterised in that the symbol
Number it is designated letter or number.
8. a kind of fingerprint identification system, it is characterised in that including：
Symbol logo sequence generation module, for randomly generating symbol logo sequence and being shown to user；
Fingerprint image receiver module, for receiving finger of the user according to the symbol logo sequence inputting
Print image information；
Fingerprint image sequence generating module, it is corresponding for being generated according to the symbol logo sequence
Fingerprint image sequence；
Fingerprint authentication module, for the fingerprint image using the fingerprint image sequence pair user input
Information is authenticated.
9. system according to claim 8, it is characterised in that the fingerprint image sequence
Generation module, specifically for for i-th symbol logo in the symbol logo sequence, inquiry
Corresponding fingerprint image, as i-th fingerprint image in fingerprint image sequence, wherein 1
≤ i≤N, N are the symbol logo number in the symbol logo sequence.
10. system according to claim 9, it is characterised in that the fingerprint authentication module
Specifically for by i-th fingerprint image in the fingerprint image sequence and the information in fingerprint
In i-th fingerprint image matched；If the whole fingerprint images in the information in fingerprint
The match is successful, then judge certification success；If it is unsuccessful to there is matching in the information in fingerprint
Fingerprint image, then judge authentification failure.
11. systems according to claim 10, it is characterised in that
The fingerprint authentication module, is additionally operable to after authentification failure is judged, reminds user according to described
Symbol logo sequence re-enters information in fingerprint, then indicates described image receiver module to perform
User is received according to the step of the information in fingerprint of the symbol logo sequence inputting.
12. systems according to claim 10, it is characterised in that
The fingerprint authentication module, is additionally operable to after authentification failure is judged, indicates the symbol logo
Sequence generation module randomly generates symbol logo sequence and is shown to user again, then indicates described
Image receiver module performs the information in fingerprint for receiving user according to the symbol logo sequence inputting
The step of.
13. system according to claim 8-12 any one, it is characterised in that also wrap
Include：
Fingerprint image acquisition module, for the fingerprint image of collection user difference finger in advance；
Fingerprint mapping block, the corresponding symbol of fingerprint image of the different fingers for receiving user input
Number mark, and preserves the fingerprint image of different fingers and the corresponding relation of symbol logo.
14. system according to claim 8-12 any one, it is characterised in that described
Symbol logo is letter or number.
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| CN201510815219.1A CN106778214A (en) | 2015-11-23 | 2015-11-23 | Fingerprint verification method and system |
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| CN201510815219.1A CN106778214A (en) | 2015-11-23 | 2015-11-23 | Fingerprint verification method and system |
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| CN109993142A (en) * | 2019-04-10 | 2019-07-09 | 黑龙江大学 | Two dimensional code identity identifying method based on finger portion multi-modal biological characteristic |
| CN109993142B (en) * | 2019-04-10 | 2023-09-12 | 黑龙江大学 | Two-dimensional code identity authentication method based on finger multi-mode biological characteristics |
| CN116798153A (en) * | 2023-06-13 | 2023-09-22 | 浙江德塔森特数据技术有限公司 | Access control authorization opening method and device |
| CN116798153B (en) * | 2023-06-13 | 2024-02-27 | 浙江德塔森特数据技术有限公司 | Access control authorization opening method and device |
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