CN104063698A - Fingerprint registration method, fingerprint identification method, fingerprint identification device, and terminal equipment - Google Patents
Fingerprint registration method, fingerprint identification method, fingerprint identification device, and terminal equipment Download PDFInfo
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- CN104063698A CN104063698A CN201410315184.0A CN201410315184A CN104063698A CN 104063698 A CN104063698 A CN 104063698A CN 201410315184 A CN201410315184 A CN 201410315184A CN 104063698 A CN104063698 A CN 104063698A
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Abstract
The invention discloses a fingerprint registration method, a fingerprint identification method, a fingerprint identification device, and terminal equipment. The fingerprint identification method comprises the steps: collecting a fingerprint to form a second fingerprint image; partitioning the second fingerprint image into M second image blocks (from 1 to M) of the second fingerprint image according to a partitioning method which is the same as a method for a registered fingerprint image, wherein the registered fingerprint image is partitioned into M first image blocks from 1 to M during fingerprint registration; and carrying out fingerprint recognition according to the M second image blocks and M first image blocks, wherein M is a positive integer greater than or equal to one.
Description
Technical field
The present invention relates to biometrics identification technology field, relate in particular to a kind of fingerprint register method, fingerprint identification method, fingerprint identification device and terminal device.
Background technology
In recent years, along with the development of memory technology, terminal device stores the capsule information such as a large amount of personal information as smart mobile phone, panel computer etc., and its security becomes even more important.At present, realize the cryptoguard to its terminal device by the form such as password, figure.
But for the cipher mode such as password, figure, user need remember password and/or the figure set; In addition, in public, the danger that also exists password to reveal.And in order to improve security, often needing to increase the complexity of password and figure, the difficulty that this has further increased user's memory undoubtedly, causes conflicting between safe and easy-to-use.
Some biological characteristic of human body (as fingerprint, palmmprint etc.) is the unique feature of human body, and their complexity can be provided for enough features of identification.
Finger print/palm print recognition technology is the cheapest biometrics identification technology of the most ripe and price at present.Wherein, fingerprint identification technology is most widely used, as all can employing fingerprint recognition technology on the electronic equipments such as gate inhibition, notebook computer, mobile phone, automobile, bank paying.
Summary of the invention
The invention provides a kind of image ratio that uses to substituting fingerprint identification method and the fingerprint identification device of fingerprint feature point comparison, to promote the speed of fingerprint recognition.
Additional aspect of the present invention and advantage will partly be set forth in the following description, and partly will from describe, become obviously, or can the acquistion by practice of the present invention.
One aspect of the present invention discloses a kind of fingerprint register method, comprising: fingerprint collecting, forms fingerprint image; To described fingerprint image piecemeal, obtain M block fingerprint image piecemeal 1～M; And, store described M block fingerprint image piecemeal 1～M; Wherein M is more than or equal to 1 positive integer.
In an embodiment, the method also comprises: described M block fingerprint image 1～M encoded, obtain corresponding M coded sequence 1～M; Store described M coded sequence 1～M.
In another embodiment, the method also comprises: described M coded sequence 1～M is encrypted, obtains M symbol sebolic addressing 1～M; Store described M symbol sebolic addressing 1～M.
The present invention discloses a kind of fingerprint identification method on the other hand, comprising: fingerprint collecting, forms the second fingerprint image; According to the identical method of partition of fingerprint image to registration, to described the second fingerprint image piecemeal, obtain M second block fingerprint image piecemeal 1～M, the fingerprint image of wherein said registration is divided into M first tile images 1～M in the time of fingerprint register; And, carry out fingerprint recognition according to described M second block fingerprint image 1～M and described M first block fingerprint image 1～M; Wherein M is more than or equal to 1 positive integer.
In an embodiment, described with the identical method of partition of described the first fingerprint image is comprised: it is all identical to divide sequence number corresponding to number, the size of each block, each block position of block.
In another embodiment, carrying out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M comprises: described M second block fingerprint image 1～M compared with described M first block fingerprint image 1～M: if there be N block fingerprint image to mate with the block fingerprint image of reference numeral in described M first block fingerprint image 1～M respectively in described M second block fingerprint image 1～M, and fingerprint recognition success; Wherein N is less than or equal to M.
In an embodiment again, root carries out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M and comprises: according to the identical coding method of described M first block fingerprint image 1～M, the individual second block fingerprint image 1～M of described M is encoded, obtain corresponding M second coded sequence 1～M, wherein said M first block fingerprint image 1～M is encoded as M first coded sequence 1～M in the time of registration; Described M second coded sequence 1～M is compared with described M the first coded sequence: if in described M second coded sequence 1～M, have N coded sequence respectively with the individual first coded sequence 1～M of described M in the coded sequence of reference numeral identical, fingerprint recognition is successful; Wherein N is less than or equal to M.
In an embodiment again, root carries out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M and comprises: according to the identical coding method of described M first block fingerprint image 1～M, the individual second block fingerprint image 1～M of described M is encoded, obtain corresponding M second coded sequence 1～M, wherein said M first block fingerprint image 1～M is encoded as M first coded sequence 1～M in the time of fingerprint register; According to the encryption method identical to described M first coded sequence 1～M, encrypt described M second coded sequence 1～M, obtain corresponding M second symbol sequence 1～M, wherein said M first coded sequence 1～M is encrypted as M first symbol sebolic addressing 1～M in the time of fingerprint register; Described M second symbol sequence 1～M and described M first symbol sebolic addressing 1～M compared: if in described M second symbol sequence 1～M, have N symbol sebolic addressing respectively with the individual first symbol sebolic addressing 1～M of described M in the symbol sebolic addressing of reference numeral identical, fingerprint recognition is successfully; Wherein N is less than or equal to M.
Further aspect of the present invention discloses a kind of fingerprint identification device, comprising: fingerprint load module, and it in the fingerprint register stage, forms the first fingerprint image for the fingerprint of input is gathered, and in the fingerprint recognition stage, forms the second fingerprint image; Image processing module, described the first fingerprint image and described the second fingerprint image that it sends for receiving described fingerprint load module, to described the first fingerprint image piecemeal, obtain M first block fingerprint image piecemeal 1～M, and according to the method for partition identical to described the first fingerprint image, to described the second fingerprint image piecemeal, obtain M second block fingerprint image piecemeal 1～M; Memory module, described M first block fingerprint image piecemeal 1～M that it sends for receiving and store described image processing module; And, comparing module, it is for carrying out fingerprint recognition according to described M second block fingerprint image 1～M and described M first block fingerprint image 1～M; Wherein M is more than or equal to 1 positive integer.
In an embodiment, carrying out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M comprises: described M second block fingerprint image 1～M compared with described M first block fingerprint image 1～M: if there be N block fingerprint image to mate with the block fingerprint image of reference numeral in described M first block fingerprint image 1～M respectively in described M second block fingerprint image 1～M, and fingerprint recognition success; Wherein N is less than or equal to M.
In another embodiment, carrying out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M comprises: described M first block fingerprint image 1～M encoded, obtain the individual first coded sequence 1～M of corresponding M; According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M; Described M second coded sequence 1～M is compared with described M the first coded sequence: if in described M second coded sequence 1～M, have N coded sequence respectively with the individual first coded sequence 1～M of described M in the coded sequence of reference numeral identical, fingerprint recognition is successful; Wherein N is less than or equal to M.
In an embodiment again, carrying out fingerprint recognition according to described M second block fingerprint image 1～M with described M first block fingerprint image 1～M comprises: described M first block fingerprint image 1～M encoded, obtain the individual first coded sequence 1～M of corresponding M; Encrypt described M first coded sequence 1～M, obtain corresponding M first symbol sebolic addressing 1～M; According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M; According to the identical encryption method of described M first coded sequence 1～M, encrypt described M second coded sequence 1～M, obtain corresponding M second symbol sequence 1～M; Described M second symbol sequence 1～M and described M first symbol sebolic addressing 1～M compared: if in described M second symbol sequence 1～M, have N symbol sebolic addressing respectively with the individual first symbol sebolic addressing 1～M of described M in the symbol sebolic addressing of reference numeral identical, fingerprint recognition is successfully; Wherein N is less than or equal to M.
Further aspect of the present invention discloses a kind of terminal device, comprises above-mentioned any fingerprint identification device.
The fingerprint identification method that the embodiment of the present invention provides and fingerprint identification device, substitute fingerprint feature point comparison by the right method of image ratio, promoted the speed of fingerprint recognition; By fingerprint image is carried out to compression coding, can under the prerequisite that does not reduce fingerprint image quality, reduce the storage space of registered images; In addition,, by coded sequence is encrypted, can improve the security of registered fingerprint.
Brief description of the drawings
By describe its example embodiment in detail with reference to accompanying drawing, above-mentioned and further feature of the present invention and advantage will become more obvious.
Fig. 1 is the structural drawing of the fingerprint identification device of the embodiment of the present invention.
Fig. 2 is the fingerprint image schematic diagram of embodiment of the present invention registration.
Fig. 3 is that the embodiment of the present invention is carried out blockization fingerprint image schematic diagram after treatment to the fingerprint image of registration.
Fig. 4 is the process flow diagram of the fingerprint identification method of the embodiment of the present invention.
Embodiment
Referring now to accompanying drawing, example embodiment is more fully described.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these embodiments to make the present invention by comprehensive and complete, and the design of example embodiment is conveyed to those skilled in the art all sidedly.Identical in the drawings Reference numeral represents same or similar structure.
Described feature or structure can be combined in one or more embodiments in any suitable manner.In the following description, thus provide many details to provide fully understanding embodiments of the present invention.But, one of ordinary skill in the art would recognize that there is no one or more in described specific detail, or adopt other method, constituent element etc., also can put into practice technical scheme of the present invention.In other cases, be not shown specifically or describe known features or operation to avoid fuzzy the present invention.
Block scheme shown in accompanying drawing is only functional entity, and these functional entitys not necessarily must be with physically independently entity be corresponding.That is, above-mentioned functions entity can be realized by software form, also can be realized by one or more integrated circuit, can also be realized by heterogeneous networks and/or processor device and/or microcontroller device.
Fingerprint identification device provided by the invention, for user's fingerprint is registered, and fingerprint based on user registration identifies user, authenticate with the terminal device under this device or the use to file, application etc. in this terminal device, access.
In the time carrying out fingerprint recognition, comprise " fingerprint register " and " fingerprint recognition " two stages.
In " fingerprint register " stage, the fingerprint to user in fingerprint identification device is registered, is stored; In " fingerprint recognition " stage, the image of the fingerprint image collecting and registration is compared and identified.
Fig. 1 is the structural drawing of the fingerprint identification device of the embodiment of the present invention.Fingerprint identification device 1 comprises: fingerprint load module 11, image processing module 12, memory module 13 and comparing module 14.
Fingerprint load module 11, for the fingerprint to user, gathers, and forms initial fingerprint image.
Fingerprint load module 11 is for example fingerprint Identification sensor.Fingerprint Identification sensor can be optical fingerprint identification sensor, can be also condenser type or inductance type semiconductor fingerprint identification sensor, and the present invention is not as limit.About structure, the principle etc. of fingerprint Identification sensor, for conventionally known to one of skill in the art, for fear of fuzzy the present invention, do not repeat them here.
" fingerprint register " stage
Fingerprint load module 11 gathers, forms fingerprint image A to user's fingerprint, and the fingerprint image A of formation is delivered to image processing module 12.Fingerprint image A for example as shown in Figure 2.
Fingerprint load module 11 can be configured in same framework with image processing module 12, also can be used as different frameworks and forms.In addition, both between connected mode be also not particularly limited.
Image processing module 12 carries out image processing to the fingerprint image A receiving from fingerprint Identification sensor 11:
The image processing function of image processing module 12 is for example by being realized by treating apparatus carries out image processing programs such as CPU (CPU (central processing unit)).
First as shown in Figure 3, fingerprint image A is as shown in Figure 2 divided into m block, m is more than or equal to 1 positive integer.In Fig. 3, anticipate as illustrating taking m=9.
Secondly, image processing module 12 is by the m obtaining after subregion fingerprint block image A
1-A
msend in memory module 13 and store.
Memory module 13 can be for example read-only memory (read-only memory, ROM), flash memory (flash memory), electronics erasable read-only memory ((Electrically ErasableProgrammable Read-Only Memory, EEPROM) or numeric security storage card ((SecureDigital Memory Card), the present invention is not as limit.
In certain embodiments, image processing module 12 is further by tile images A
1-A
mcarry out numerical coding, obtain corresponding m coded sequence C
1-C
m.Illustrate below tile images A
1-A
mcataloged procedure:
For example, image processing module 12 is respectively by tile images A
1-A
min one or more fingerprint feature points extract, and according to the type of fingerprint feature point, position, quantity etc., it is encoded, thereby obtains respectively m coded sequence C
1-C
m.
Above-mentioned coding according to fingerprint feature point is only one embodiment of the present invention, but the present invention is not as limit.
Image processing module 12 is by m coded sequence C
1-C
msend in memory module 13 and store.
Image is carried out to code storage can not reduced under the prerequisite of picture quality, reduces the required storage space of image.
In addition, by m coded sequence C
1-C
mbefore sending to and storing in memory module 13, can also be to this m coded sequence C
1-C
mbe encrypted, obtain m symbol sebolic addressing S after encryption
1-S
m, and by m symbol sebolic addressing S
1-S
msend to storage in memory module 13.Image processing module 12 can also be by original coding sequence C
1-C
msend in the lump to store.
Above-mentioned to coded sequence C
1-C
mthe method being encrypted can comprise any known cryptographic algorithm, for example DES (Data Encryption Standard, data encryption standards), AES (AdvancedEncryption Standard, Advanced Encryption Standard) etc., the present invention is not as limit.
By Image Coding sequence is encrypted, can promote the security of registered fingerprint storage.
" fingerprint recognition " stage
Fingerprint load module 11 gathers, forms fingerprint image A ' to the fingerprint of user's input, and the fingerprint image A ' forming is delivered to image processing module 12.
Image processing module 12 is the processing of fingerprint image A ' piecemeal, and the method for its piecemeal is with consistent in the method for the fingerprint image A piecemeal of fingerprint register stage to user's registration, comprises that dividing sequence number corresponding to number, size, the block position of block etc. all needs identical.Fingerprint image A ' is divided into tile images A '
1-A '
m.
Image processing module 12 is by tile images A '
1-A '
msend to and in comparing module 14, carry out fingerprint recognition.
Comparing module 14 is taken out the registered fingerprint image A of storage from memory module 13
1-A
m, and the A ' inputting with image processing module 12 respectively
1-A '
mcarry out image ratio pair.
As block fingerprint image A '
1-A '
min have n block fingerprint image respectively with registration block fingerprint image A
1-A
mwhen the block fingerprint image of middle reference numeral mates, for example A '
1-A '
nrespectively with A
1-A
ncoupling, thinks that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
In certain embodiments, if memory module 13 store be to registration fingerprint image A
1-A
mthe coded sequence C obtaining after coding
1-C
m, image processing module 12 also needs further by block fingerprint image A '
1-A '
mthe processing of encoding, its coded system and block fingerprint image A to registration
1-A
mthe method of coding is the same, obtains coded sequence C '
1-C '
m.Image processing module 12 is by coded sequence C '
1-C '
mbe sent in comparing module 14 and compare.
Comparing module 14 is taken out the coded sequence C of the registered fingerprint image A of storage from memory module 13
1-C
m, and the coded sequence C ' inputting with image processing module 12 respectively
1-C '
mcompare.
As coded sequence C '
1-C '
min have n coded sequence respectively with coded sequence C
1-C
mwhen the coded sequence of middle reference numeral is identical, for example C '
1-C '
nequal respectively C
1-C
n, think that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
In addition be to coded sequence C if memory module 13 stores,
1-C
mthe symbol sebolic addressing S obtaining after encryption
1-S
m, image processing module 12 also needs further to coded sequence C '
1-C '
maccording to coded sequence C
1-C
midentical encryption method is encrypted, to obtain symbol sebolic addressing S '
1-S '
m.Image processing module 12 is by symbol sebolic addressing S '
1-S '
mbe sent in comparing module 14 and compare.
Comparing module 14 is taken out the symbol sebolic addressing S of storage from memory module 13
1-S
m, and respectively with symbol sebolic addressing S '
1-S '
mcompare.
As symbol sebolic addressing S '
1-S '
min have n symbol sebolic addressing respectively with symbol sebolic addressing S
1-S
mwhen the symbol sebolic addressing of middle reference numeral is identical, for example S '
1-S '
nequal respectively S
1-S
n, think that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
It should be noted that, " fingerprint register " stage and " fingerprint recognition " stage are for example indicated it by application program or software in the terminal device under fingerprint identification device 1.For example, arranging in software in this terminal device, start fingerprint register program, indicate fingerprint identification device 1, this fingerprint collecting is applied to " fingerprint register " stage, need be to block fingerprint image or to obtaining coded sequence after block fingerprint image coding or the symbol sebolic addressing obtaining after this coded sequence encryption being stored.And when start, screen locking or start while using fingerprint recognition to carry out the application program of access authentication or software, corresponding program or software can be indicated fingerprint identification device 1, this fingerprint collecting is applied to " fingerprint recognition " stage, need be to the block fingerprint image obtaining after processing or to obtaining coded sequence after block fingerprint image coding or the symbol sebolic addressing obtaining after this coded sequence encryption being compared.
The fingerprint identification device that the embodiment of the present invention provides, substitutes fingerprint feature point comparison by the right method of image ratio, has promoted the speed of fingerprint recognition; By fingerprint image is carried out to compression coding, can under the prerequisite that does not reduce fingerprint image quality, reduce the storage space of registered images; In addition,, by coded sequence is encrypted, can improve the security of registered fingerprint.
Fig. 4 is the process flow diagram of the fingerprint identification method of the embodiment of the present invention.As shown in Figure 4, the method comprises:
" fingerprint register " stage
Step S101, fingerprint collecting, forms fingerprint image A.
Step S102, carries out piecemeal processing by fingerprint image A, is divided into m block fingerprint image A
1-Am, wherein m is more than or equal to 1 positive integer, memory block fingerprint image A
1-A
m.
In certain embodiments, also comprise tile images A
1-A
mcarry out numerical coding, obtain corresponding m coded sequence C
1-C
m.Illustrate below tile images A
1-A
mcataloged procedure:
For example,, respectively by tile images A
1-A
min one or more fingerprint feature points extract, and according to the type of fingerprint feature point, position, quantity etc., it is encoded, thereby obtains respectively m coded sequence C
1-C
m.
Above-mentioned coding according to fingerprint feature point is only one embodiment of the present invention, but the present invention is not as limit.
Image is carried out to code storage can not reduced under the prerequisite of picture quality, reduces the required storage space of image.
In certain embodiments, also further comprise this m coded sequence C
1-C
mbe encrypted, obtain m symbol sebolic addressing S after encryption
1-S
m, and store m symbol sebolic addressing S
1-S
m, in addition, can also be by original coding sequence C
1-C
mstorage in the lump.
Above-mentioned to coded sequence C
1-C
mthe method being encrypted can comprise any known cryptographic algorithm, for example DES (Data Encryption Standard, data encryption standards), AES (AdvancedEncryption Standard, Advanced Encryption Standard) etc., the present invention is not as limit.
By Image Coding sequence is encrypted, can promote the security of registered fingerprint storage.
" fingerprint recognition " stage
Step S103, fingerprint collecting, forms fingerprint image A '.
Step S104, carries out identical block processing by fingerprint image A ', to form block fingerprint image A '
1-A '
m.
Wherein, to comprise that sequence number that number, size, the block position of dividing regions piece is corresponding etc. all needs identical in identical block processing.
In certain embodiments, also comprise: by block fingerprint image A '
1-A '
mthe processing of encoding, its coded system and block fingerprint image A to registration
1-A
mthe method of coding is the same, obtains coded sequence C '
1-C '
m.
In further embodiments, also further comprise: to coded sequence C '
1-C '
maccording to coded sequence C
1-C
midentical encryption method is encrypted, to obtain symbol sebolic addressing S '
1-S '
m.
Step S105, comparison block fingerprint image A '
1-A '
mblock fingerprint image A with storage
1-A
m:
As block fingerprint image A '
1-A '
min have n block fingerprint image respectively with registration block fingerprint image A
1-A
mwhen the block fingerprint image of middle reference numeral mates, for example A '
1-A '
nrespectively with A
1-A
ncoupling, thinks that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
In certain embodiments, if storage be to registration fingerprint image A
1-A
mthe coded sequence C obtaining after coding
1-C
m, compare coded sequence C '
1-C '
mwith coded sequence C
1-C
m:
As coded sequence C '
1-C '
min have n coded sequence respectively with coded sequence C
1-C
mwhen the coded sequence of middle reference numeral is identical, for example C '
1-C '
nequal respectively C
1-C
n, think that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
In certain embodiments, if storage be to coded sequence C
1-C
mthe symbol sebolic addressing S obtaining after encryption
1-S
m, compare symbol sebolic addressing S '
1-S '
mwith symbol sebolic addressing S
1-S
m:
As symbol sebolic addressing S '
1-S '
min have n symbol sebolic addressing respectively with symbol sebolic addressing S
1-S
mwhen the symbol sebolic addressing of middle reference numeral is identical, for example S '
1-S '
nequal respectively S
1-S
n, think that the fingerprint image A ' of input and the fingerprint image A of registration compare successfully, i.e. fingerprint recognition success.
Wherein, n is the positive integer that is less than or equal to m, and n arranges fingerprint recognition accuracy that can be as requested and determines, for example require fingerprint recognition accuracy high, can require n to equal m, if the accuracy that fingerprint recognition requires is low, n is less than m, and the present invention is not as limit.
The fingerprint identification method that the embodiment of the present invention provides, substitutes fingerprint feature point comparison by the right method of image ratio, has promoted the speed of fingerprint recognition; By fingerprint image is carried out to compression coding, can under the prerequisite that does not reduce fingerprint image quality, reduce the storage space of registered images; In addition,, by coded sequence is encrypted, can improve the security of registered fingerprint.
By the description of above embodiment, those skilled in the art should be readily appreciated that the embodiment of the present invention can realize by hardware, also can realize in conjunction with the mode of necessary hardware by software.Therefore, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are in order to carry out according to the method for embodiment of the present invention a computing equipment (can be personal computer, server, mobile terminal or the network equipment etc.).
Those skilled in the art should be appreciated that accompanying drawing is the schematic diagram of example embodiment, and the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary, therefore can not be used for limiting the scope of the invention.
Those skilled in the art should be appreciated that above-mentioned each module can be distributed in device according to the description of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from this embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
Below illustrate particularly and described illustrative embodiments of the present invention.Should be appreciated that, the invention is not restricted to disclosed embodiment, on the contrary, the invention is intended to contain the various amendments and the equivalent replacement that comprise within the scope of the appended claims.
Claims (14)
1. a fingerprint register method, is characterized in that, comprising:
Fingerprint collecting, forms fingerprint image;
To described fingerprint image piecemeal, obtain M block fingerprint image piecemeal 1～M; And,
Store described M block fingerprint image piecemeal 1～M;
Wherein M is more than or equal to 1 positive integer.
2. fingerprint register method according to claim 1, is characterized in that, also comprises: described M block fingerprint image 1～M encoded, obtain corresponding M coded sequence 1～M; Store described M coded sequence 1～M.
3. fingerprint register method according to claim 2, is characterized in that, also comprises: described M coded sequence 1～M is encrypted, obtains M symbol sebolic addressing 1～M; Store described M symbol sebolic addressing 1～M.
4. a fingerprint identification method, is characterized in that, comprising:
Fingerprint collecting, forms the second fingerprint image;
According to the identical method of partition of fingerprint image to registration, to described the second fingerprint image piecemeal, obtain M second block fingerprint image piecemeal 1～M, the fingerprint image of wherein said registration is divided into M first tile images 1～M in the time of fingerprint register; And,
Carry out fingerprint recognition according to described M second block fingerprint image 1～M and described M first block fingerprint image 1～M;
Wherein M is more than or equal to 1 positive integer.
5. fingerprint identification method according to claim 4, is characterized in that, described with the identical method of partition of described the first fingerprint image is comprised: it is all identical to divide sequence number corresponding to number, the size of each block, each block position of block.
6. fingerprint identification method according to claim 4, is characterized in that, carries out fingerprint recognition comprise according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M:
Described M second block fingerprint image 1～M and described M first block fingerprint image 1～M are compared:
If have N block fingerprint image to mate with the block fingerprint image of reference numeral in described M first block fingerprint image 1～M respectively in described M second block fingerprint image 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
7. fingerprint identification method according to claim 4, is characterized in that, root carries out fingerprint recognition according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M and comprises:
According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M, wherein said M first block fingerprint image 1～M is encoded as M first coded sequence 1～M in the time of registration;
Described M second coded sequence 1～M and described M the first coded sequence are compared:
If have N coded sequence identical with the coded sequence of reference numeral in described M first coded sequence 1～M respectively in described M second coded sequence 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
8. fingerprint identification method according to claim 4, is characterized in that, root carries out fingerprint recognition according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M and comprises:
According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M, wherein said M first block fingerprint image 1～M is encoded as M first coded sequence 1～M in the time of fingerprint register;
According to the encryption method identical to described M first coded sequence 1～M, encrypt described M second coded sequence 1～M, obtain corresponding M second symbol sequence 1～M, wherein said M first coded sequence 1～M is encrypted as M first symbol sebolic addressing 1～M in the time of fingerprint register;
Described M second symbol sequence 1～M and described M first symbol sebolic addressing 1～M are compared:
If have N symbol sebolic addressing identical with the symbol sebolic addressing of reference numeral in described M first symbol sebolic addressing 1～M respectively in described M second symbol sequence 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
9. a fingerprint identification device, is characterized in that, comprising:
Fingerprint load module, it in the fingerprint register stage, forms the first fingerprint image for the fingerprint of input is gathered, and in the fingerprint recognition stage, forms the second fingerprint image;
Image processing module, described the first fingerprint image and described the second fingerprint image that it sends for receiving described fingerprint load module, to described the first fingerprint image piecemeal, obtain M first block fingerprint image piecemeal 1～M, and according to the method for partition identical to described the first fingerprint image, to described the second fingerprint image piecemeal, obtain M second block fingerprint image piecemeal 1～M;
Memory module, described M first block fingerprint image piecemeal 1～M that it sends for receiving and store described image processing module; And,
Comparing module, it is for carrying out fingerprint recognition according to described M second block fingerprint image 1～M and described M first block fingerprint image 1～M;
Wherein M is more than or equal to 1 positive integer.
10. fingerprint identification device according to claim 9, is characterized in that, described with the identical method of partition of described the first fingerprint image is comprised: it is all identical to divide sequence number corresponding to number, the size of each block, each block position of block.
11. fingerprint identification devices according to claim 9, is characterized in that, carry out fingerprint recognition comprise according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M:
Described M second block fingerprint image 1～M and described M first block fingerprint image 1～M are compared:
If have N block fingerprint image to mate with the block fingerprint image of reference numeral in described M first block fingerprint image 1～M respectively in described M second block fingerprint image 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
12. fingerprint identification devices according to claim 9, is characterized in that, carry out fingerprint recognition comprise according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M:
Described M first block fingerprint image 1～M encoded, obtain corresponding M first coded sequence 1～M;
According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M;
Described M second coded sequence 1～M and described M the first coded sequence are compared:
If have N coded sequence identical with the coded sequence of reference numeral in described M first coded sequence 1～M respectively in described M second coded sequence 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
13. fingerprint identification devices according to claim 9, is characterized in that, carry out fingerprint recognition comprise according to the individual first block fingerprint image 1～M of described M second block fingerprint image 1～M and described M:
Described M first block fingerprint image 1～M encoded, obtain corresponding M first coded sequence 1～M;
Encrypt described M first coded sequence 1～M, obtain corresponding M first symbol sebolic addressing 1～M;
According to the identical coding method of described M first block fingerprint image 1～M, described M second block fingerprint image 1～M encoded, obtain corresponding M second coded sequence 1～M;
According to the identical encryption method of described M first coded sequence 1～M, encrypt described M second coded sequence 1～M, obtain corresponding M second symbol sequence 1～M;
Described M second symbol sequence 1～M and described M first symbol sebolic addressing 1～M are compared:
If have N symbol sebolic addressing identical with the symbol sebolic addressing of reference numeral in described M first symbol sebolic addressing 1～M respectively in described M second symbol sequence 1～M, fingerprint recognition success; Wherein N is less than or equal to M.
14. 1 kinds of terminal devices, is characterized in that, comprise according to the fingerprint identification device described in claim 9-13 any one.
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