CN109034335A - A kind of smart card and its fingerprint identification method - Google Patents
A kind of smart card and its fingerprint identification method Download PDFInfo
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- CN109034335A CN109034335A CN201810769876.0A CN201810769876A CN109034335A CN 109034335 A CN109034335 A CN 109034335A CN 201810769876 A CN201810769876 A CN 201810769876A CN 109034335 A CN109034335 A CN 109034335A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
- G06K19/0718—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being of the biometric kind, e.g. fingerprint sensors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
- G06Q20/206—Point-of-sale [POS] network systems comprising security or operator identification provisions, e.g. password entry
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
- G06Q20/40145—Biometric identity checks
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- Finance (AREA)
- Strategic Management (AREA)
- Computer Security & Cryptography (AREA)
- General Business, Economics & Management (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Collating Specific Patterns (AREA)
Abstract
This application involves technical field of intelligent card more particularly to a kind of smart cards and its fingerprint identification method, wherein intelligent card fingerprint recognition methods is the following steps are included: receive the finger print information of fingerprint sensing collector acquisition；Finger print information is pre-processed, and pretreated information is sent to main control chip and carries out calculation processing；The information that main control chip carries out calculation processing is received, and feature information extraction is carried out to the information of calculation processing.In the intelligent card fingerprint recognition methods of the application, fingerprint characteristic value stores in safety chip, relatively safety；The operational capability for making full use of main control chip solves the problems, such as that safety chip operational capability is insufficient.Wherein, main control chip there is no the partial data and initial data of fingerprint, only carry out data operation, so also reducing the stolen risk of fingerprint, and smart card provided by the embodiments of the present application is used in bank transaction, without changing current POS machine disposal environment.
Description
Technical field
This application involves technical field of intelligent card more particularly to a kind of smart cards and its fingerprint identification method.
Background technique
Smart card is the plastic clip of embedded microelectronic chip, has been widely used at present in every field smart card.For
The safety for guaranteeing user, there is many smart cards for having fingerprint protection function in the prior art, these smart cards have typing
Fingerprint, the function of verifying fingerprint, can be according to finger-mark check as a result, the work of control smart card.
As indicated with 1, the microelectronic chip of smart card 110 generallys use safety chip (SE) 111, safe core in the prior art
Piece (SE) 111 and external card-reading apparatus 120 carry out the function that smart card is realized in data interaction.In smartcard internal, safe core
Piece (SE) 111 and fingerprint sensing collector 112 communicate to connect, and fingerprint sensing collector 112 is responsible for induction and the fingerprint image of fingerprint
The acquisition of picture, safety chip (SE) 111 be responsible for collected fingerprint image carry out Finger print characteristic abstract, fingerprint characteristic storage,
Fingerprint characteristic is than equity, but the computing capability and space due to safety chip (SE) are smaller, are unable to satisfy calculation amount
Big Finger print characteristic abstract, fingerprint characteristic than reciprocity program operational effect.
Summary of the invention
This application provides a kind of smart card and its fingerprint identification methods, to improve the arithmetic speed of smart card, and drop
The risk that low intelligent card data is stolen.
In order to solve the above technical problems, the application provides the following technical solutions:
A kind of intelligent card fingerprint recognition methods, comprising the following steps: receive the finger print information of fingerprint sensing collector acquisition；
Finger print information is pre-processed, and pretreated information is sent to main control chip and carries out calculation processing；Receive master control core
Piece carries out the information of calculation processing, and carries out feature information extraction to the information of calculation processing.
Intelligent card fingerprint recognition methods as described above, wherein preferably, pretreated information calculate and is divided
Solution will calculate the information after decomposing and be respectively sent to main control chip progress calculation processing；The information after calculation processing is received respectively,
The information after calculation processing is subjected to integrated treatment before feature information extraction.
Intelligent card fingerprint recognition methods as described above, wherein preferably, the calculating decomposition is will be pretreated
Information carries out piecemeal.
Intelligent card fingerprint recognition methods as described above, wherein preferably, the calculating decomposition is will be pretreated
Information is decomposed according to the sequencing of calculation processing program.
Intelligent card fingerprint recognition methods as described above, wherein further comprising the steps of: the behaviour of external card-reading apparatus is received
It requests；Judge whether the terms of trade in operation requests reach threshold value；If reaching threshold value, to the fingerprint sensing collector
Send fingerprint collecting instruction.
A kind of smart card, comprising: main control chip, fingerprint sensing collector and safety chip；The safety chip includes: pre-
Processing module, the finger print information for acquiring to the fingerprint sensing collector pre-process；Communication module one, being used for will be pre-
Information that treated is sent to the main control chip, the information after receiving the main control chip calculation processing；Extraction module is used for
Feature extraction is carried out to the information after calculation processing；The main control chip includes: communication module two, pretreated for receiving
Information after calculation processing is sent to the safety chip by information；Computing module, based on being carried out to pretreated information
Calculation processing.
Smart card as described above, wherein preferably, the safety chip further include: decomposing module, for pre- place
Information after reason carries out calculating decomposition；Integration module, the calculation processing for will be respectively received before feature information extraction
Information afterwards carries out integrated treatment.
Smart card as described above, wherein preferably, pretreated information is carried out piecemeal by the decomposing module.
Smart card as described above, wherein preferably, the decomposing module by pretreated information according to calculating at
The sequencing of reason program is decomposed.
Smart card as described above, wherein the safety chip further include: judgment module, for judging that external card reading is set
Whether the terms of trade in standby operation requests reach threshold value；Instruction forms module, is formed after reaching threshold value for operation requests
Indicate the fingerprint collecting instruction of the fingerprint sensing collector acquisition fingerprint.
Relatively above-mentioned background technique, intelligent card fingerprint recognition methods provided by the present invention and smart card, fingerprint characteristic value
It is stored in safety chip, relatively safety；The operational capability for making full use of main control chip solves safety chip operational capability not
The problem of foot.Wherein, main control chip there is no the partial data and initial data of fingerprint, only carry out data operation, institute
To also reduce the stolen risk of fingerprint, and smart card provided by the embodiments of the present application is used in bank transaction, does not have to change
Current POS machine disposal environment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention can also be obtained according to these attached drawings other for those of ordinary skill in the art
Attached drawing.
Fig. 1 is the schematic diagram of smart card for recognizing fingerprint in the prior art；
Fig. 2 is the intelligent card fingerprint recognition methods flow chart that the embodiment of the present application one provides；
Fig. 3 is the schematic diagram for the smart card that the embodiment of the present application two provides.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Embodiment one
As shown in Fig. 2, the intelligent card fingerprint recognition methods that the embodiment of the present application one provides, connects in the safety chip of smart card
Before receiving finger print information, card-reading apparatus external first sends operation requests to the safety chip of smart card, and safety chip receives outer
The operation requests (201) that portion's card-reading apparatus is sent.It may include transaction amount, exchange hour, loco etc. in operation requests
Information.According to the operation requests received, the safety chip of smart card can be by the information and preset threshold value in operation requests
It is compared (202), such as: the transaction amount in operation requests is compared with preset amount of money threshold value, works as transaction amount
Reach preset amount of money threshold value, illustrate that transaction amount number is larger, need to carry out fingerprint authentication, to reduce the risk of transaction.This
When smart card safety chip then to fingerprint sensing collector send fingerprint collecting instruction (203).Fingerprint sensing collector receives
The fingerprint collecting instruction sent to the safety chip of smart card carries out fingerprint collecting (204) to user according to fingerprint collecting instruction,
Then collected finger print information is back to safety chip (205).
After safety chip receives finger print information, (206) are pre-processed to finger print information；Pretreated process can be pre-
It is first set in safety chip, is pre-processed according to preset process.Such as: finger print information is removed according to default process
In crunode, breakpoint, ambiguous part etc..Then, pretreated information is sent to main control chip by safety chip, main
Control chip to pretreated information carry out calculation processing, wherein main control chip can to it is computationally intensive, to hardware chip requirement
High finger prints processing step carries out calculation processing.Such as: picture quality judgement, image enhancement, fingerprint orientation information extraction, figure
As binaryzation, denoising, to obtain the crestal line data of fingerprint, image thinning etc. computationally intensive, to the demanding finger of hardware chip
Line processing step.
After safety chip pre-processes finger print information, calculating decomposition can also be carried out to pretreated information
(207), calculating decomposition is that pretreated information is carried out piecemeal, is also possible to pretreated information according to calculation processing
The sequencing of program is decomposed.
Pretreated information is either calculated to the information after decomposing and is sent to main control chip to carry out computation requests
(208)；Main control chip receives pretreated information either main control chip and receives the information calculated after decomposing, according to preset
Rule to pretreated information carry out calculation processing (209), to main control chip calculation processing after, by the letter of calculation processing
Breath is sent to safety chip.
Safety chip receives the information (210) of main control chip calculation processing, then carries out feature extraction, aspect ratio pair；Or
After person's safety chip receives the information (210) of main control chip calculation processing, then spy is in progress integrated treatment (211) first again
Sign extraction, aspect ratio pair, integrated treatment here are to calculate the inverse processing decomposed, and are exactly according to corresponding regular by calculation processing
Information is integrated, and complete fingerprint calculation processing information is formed.Safety chip is by the characteristic information extracted and safety chip
The profile comparison information of storage inside is compared, according to aspect ratio pair as a result, executing different subsequent operations (212).Even
Comparison unanimously then illustrates that fingerprint authentication passes through, and can carry out next transaction, on the contrary then terminate transaction.It is according to fingerprint comparison
It is no to pass through, return to different operation datas (213).
Embodiment two
As shown in figure 3, smart card 310 provided in this embodiment includes: safety chip 311,312 and of fingerprint sensing collector
Main control chip 313.Wherein, safety chip 311, fingerprint sensing collector 312 and main control chip 313 are packaged in smartcard internal,
Fingerprint sensing collector 312 and safety chip 311 communicate to connect, and main control chip 313 and safety chip 311 communicate to connect, safety
The interface communications such as SPI, I2C can be passed through between chip 311 and fingerprint sensing collector 312 and main control chip 313.Safety chip
311 can contact communication with external card-reading apparatus 320, can also be led in a non-contact manner with external card-reading apparatus 320
Letter；Fingerprint sensing collector 312 provides fingerprint collecting face to the external of smart card, to acquire user fingerprints information.
Smart card security chip 311 may include: preprocessing module, communication module one, extraction module, decomposing module, comprehensive
Molding block, judgment module and instruction form module etc., and smart card main control chip 313 may include: communication module two and calculating mould
Block.
The communication module one of the safety chip 311 of smart card receives the operation requests that external card-reading apparatus 320 is sent, operation
It may include the information such as transaction amount, exchange hour, loco in request；According to the operation requests received, smart card
Transaction Information in operation requests can be compared by 311 judgment module of safety chip with preset threshold value, such as: it will operate
Transaction amount in request is compared with preset amount of money threshold value, when transaction amount reaches preset amount of money threshold value, illustrates to hand over
Easy amount of money number is larger, needs to carry out fingerprint authentication, and to reduce the risk of transaction, the instruction of safety chip 311 forms mould at this time
Block forms the fingerprint collecting instruction that instruction fingerprint sensing collector acquires 312 fingerprints, and the communication module one of safety chip 311 is to finger
Line sensing acquisition device 312 sends fingerprint collecting instruction.
Fingerprint sensing collector 312 receives the fingerprint collecting instruction of the transmission of safety chip 311, according to fingerprint collecting instruction
Fingerprint collecting is carried out to user, and collected finger print information is sent to safety chip 311.
The preprocessing module of safety chip 311 pre-processes the collected finger print information of fingerprint sensing collector 312.
Pretreated process can be set in advance in safety chip 311, be pre-processed according to preset process, such as: it presses
According to crunode, breakpoint, the ambiguous part etc. in default process removal finger print information.Then, the communication mould of safety chip 311
Pretreated information is sent to the communication module two of main control chip 313 by block one, and the computing module of main control chip 313 is to pre- place
Information after reason carries out calculation processing, wherein the computing module of main control chip 313 can for it is computationally intensive, to hardware chip
Demanding finger prints processing step carries out calculation processing.Such as: picture quality judgement, image enhancement, fingerprint orientation information mention
Take, image binaryzation, denoising, to obtain the crestal line data of fingerprint, image thinning etc. computationally intensive, hardware chip is required high
Finger prints processing step.Information after calculation processing is sent to the logical of safety chip 312 by the communication module two of main control chip 313
Believe module one, then the extraction module of safety chip 311 carries out feature extraction to the information after calculation processing, specifically according to pre-
It is located at the rule inside safety chip 311 and carries out feature extraction.
Safety chip 311 carries out the profile comparison information of the characteristic information extracted and 311 storage inside of safety chip
It compares, illustrates that fingerprint authentication passes through if comparison is consistent, can carry out next transaction, it is on the contrary then terminate transaction.
Due to the smart card main control chip 313 in the embodiment of the present application can handle it is computationally intensive, high to hardware requirement
Finger prints processing step improves the processing speed of smart card；And safety chip 311 then handles the high characteristic value of security requirement and deposits
Storage, the storage of characteristics extraction rule and feature extraction finger prints processing step, improve the safety of smart card；Due also to this Shen
It pretreated rule please be pre-stored in safety chip 311 in embodiment, and pre-processing is also to carry out in safety chip 311,
Pretreated information is only transferred to main control chip 313 by safety chip, and this guarantees original fingerprint information to save always
In safety chip 311, the safety of smart card is also just further improved；Therefore smart card provided by the embodiments of the present application
Processing speed is not only increased, the safety of smart card is also improved.
It on the basis of the above, can also be to pretreated information after safety chip 311 pre-processes finger print information
Carry out calculating decomposition, it may be assumed that decomposing module carries out calculating decomposition to pretreated information, and then communication module one will be calculated and be decomposed
Information afterwards is sent to communication module two, and the computing module of main control chip 313 carries out calculation processing, the letter that will be computed that treated
Breath is sent to communication module one, the calculating that the integration module of safety chip 311 will be respectively received before feature information extraction
Information that treated carries out integrated treatment.
Decomposing module, which can be, carries out piecemeal for pretreated information.Such as: it will need to carry out the letter of image binaryzation
Breath carry out piecemeal, specifically can be and an image be divided into muti-piece, by a block of decomposition by communication module one be sent to it is logical
Believe module two, the computing module of main control chip 313 carries out calculation processing, and then the communication module two of main control chip 313 will calculate
Information that treated is sent to the communication module one of safety chip 311, and then the communication module one of safety chip 311 will be next
Block is sent to the communication module two of main control chip 313, and the computing module of main control chip 313 carries out calculation processing, holds repeatedly in this way
Row aforesaid operations are until finish all pieces of calculation processings, and then the integration module inside safety chip 311 is to the meter received
It calculates processing information and carries out integrated treatment.
In addition, decomposing module is also possible to be divided pretreated information according to the sequencing of calculation processing program
Solution.Such as: pretreated information is decomposed into binary conversion treatment, denoising, the crestal line data processing for obtaining fingerprint etc..So
Communication module one is sent to the communication module two of main control chip 313 according to sequencing afterwards, then the calculating mould of main control chip 313
Block carries out calculation processing, after the information after calculation processing is sent to safety chip 311 by the communication module two of main control chip 313,
Calculating information is not saved in main control chip 313, safety chip 311 can be opened next according to the calculation processing information received
The information of next program is sent to main control chip 313 by the calculating of program, execute aforesaid operations repeatedly in this way until to all
It calculates the program decomposed to be disposed, then 311 inside integration module of safety chip carries out the calculation processing information received
Integrated treatment.
Here integrated treatment is to calculate the inverse processing decomposed, and is exactly according to the corresponding regular calculation processing by different masses
Information is integrated, and complete fingerprint calculation processing information is formed.Then safety chip 311 believes complete fingerprint calculation processing
Breath is further processed.After amount to be calculated is big, the step high to hardware requirement is disposed, the extraction of safety chip 311
Module carries out feature extraction.
Fingerprint sensing collector 312 and main control chip 313 by same-interface or can be different interface and safety
The communication connection that chip 311 is established.It is established in the embodiment of communication connection using identical interface and safety chip 311, is
The orderly progress for guaranteeing fingerprint collecting and finger prints processing, can install phase inverter.
To sum up, intelligent card fingerprint characteristic value provided by the embodiment of the present application stores in safety chip 311, compares peace
Entirely；The operational capability for making full use of main control chip 313 solves the problems, such as that 311 operational capability of safety chip is insufficient.Wherein, main
Control chip 313 there is no the partial data and initial data of fingerprint, data operation only carried out, so also reducing fingerprint
The risk being stolen, and smart card provided by the embodiments of the present application is used in bank transaction, without change current POS machine by
Manage environment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of intelligent card fingerprint recognition methods, which comprises the following steps:
Receive the finger print information of fingerprint sensing collector acquisition；
Finger print information is pre-processed, and pretreated information is sent to main control chip and carries out calculation processing；
The information that main control chip carries out calculation processing is received, and feature information extraction is carried out to the information of calculation processing.
2. intelligent card fingerprint recognition methods according to claim 1, which is characterized in that wherein,
Calculating decomposition is carried out to pretreated information, the information after calculating decomposition is respectively sent to main control chip and calculates
Processing；
The information after calculation processing is received respectively, and the information after calculation processing is subjected to General Office before feature information extraction
Reason.
3. intelligent card fingerprint recognition methods according to claim 2, which is characterized in that the calculating decomposition is will to pre-process
Information afterwards carries out piecemeal.
4. intelligent card fingerprint recognition methods according to claim 2, which is characterized in that the calculating decomposition is will to pre-process
Information afterwards is decomposed according to the sequencing of calculation processing program.
5. intelligent card fingerprint recognition methods according to any one of claims 1 to 4, which is characterized in that further include following step
It is rapid:
Receive the operation requests of external card-reading apparatus；
Judge whether the terms of trade in operation requests reach threshold value；
If reaching threshold value, fingerprint collecting instruction is sent to the fingerprint sensing collector.
6. a kind of smart card characterized by comprising main control chip, fingerprint sensing collector and safety chip；
The safety chip includes:
Preprocessing module, the finger print information for acquiring to the fingerprint sensing collector pre-process；
Communication module one receives at the main control chip calculating for pretreated information to be sent to the main control chip
Information after reason；
Extraction module, for carrying out feature extraction to the information after calculation processing；
The main control chip includes:
Information after calculation processing is sent to the safety chip for receiving pretreated information by communication module two；
Computing module, for carrying out calculation processing to pretreated information.
7. smart card according to claim 6, which is characterized in that the safety chip further include:
Decomposing module, for carrying out calculating decomposition to pretreated information；
Integration module, for the information after the calculation processing being respectively received to be carried out General Office before feature information extraction
Reason.
8. smart card according to claim 7, which is characterized in that the decomposing module is divided pretreated information
Block.
9. smart card according to claim 7, which is characterized in that the decomposing module is by pretreated information according to meter
The sequencing for calculating processing routine is decomposed.
10. according to the described in any item smart cards of claim 6 to 10, which is characterized in that the safety chip further include:
Whether judgment module, the terms of trade in operation requests for judging external card-reading apparatus reach threshold value；
Instruction forms module, forms the finger for indicating that the fingerprint sensing collector acquires fingerprint after reaching threshold value for operation requests
Line acquisition instructions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810769876.0A CN109034335A (en) | 2018-07-13 | 2018-07-13 | A kind of smart card and its fingerprint identification method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810769876.0A CN109034335A (en) | 2018-07-13 | 2018-07-13 | A kind of smart card and its fingerprint identification method |
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| CN1971575A (en) * | 2006-11-24 | 2007-05-30 | 深圳兆日技术有限公司 | An identity control method based on credibility platform module and fingerprint identifying |
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| CN106709450A (en) * | 2016-12-23 | 2017-05-24 | 上海斐讯数据通信技术有限公司 | Recognition method and system for fingerprint images |
| CN107944345A (en) * | 2017-10-31 | 2018-04-20 | 北京中电华大电子设计有限责任公司 | The safety chip authentication method and device of a kind of combination bio-identification |
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2018
- 2018-07-13 CN CN201810769876.0A patent/CN109034335A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971575A (en) * | 2006-11-24 | 2007-05-30 | 深圳兆日技术有限公司 | An identity control method based on credibility platform module and fingerprint identifying |
| CN105975837A (en) * | 2016-06-12 | 2016-09-28 | 北京集创北方科技股份有限公司 | Biological feature recognition device and method and biological feature template registration method |
| CN106709450A (en) * | 2016-12-23 | 2017-05-24 | 上海斐讯数据通信技术有限公司 | Recognition method and system for fingerprint images |
| CN107944345A (en) * | 2017-10-31 | 2018-04-20 | 北京中电华大电子设计有限责任公司 | The safety chip authentication method and device of a kind of combination bio-identification |
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Application publication date: 20181218 |