CN103294984B - Fingerprint authentication method based on visible light communication and system - Google Patents
Fingerprint authentication method based on visible light communication and system Download PDFInfo
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- CN103294984B CN103294984B CN201210050172.0A CN201210050172A CN103294984B CN 103294984 B CN103294984 B CN 103294984B CN 201210050172 A CN201210050172 A CN 201210050172A CN 103294984 B CN103294984 B CN 103294984B
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Abstract
The invention discloses a kind of fingerprint authentication method based on visible light communication and system, this fingerprint authentication method includes: the transmitting terminal scanning finger print information being built in mobile terminal, described finger print information is converted into the digital information characterizing described finger print information, and described digital information is sent by visible light signal；Receiving terminal receives described visible light signal, extracts the digital information carried in described visible light signal, and this digital information is compared with the check information preset, and when the digital information extracted is mated with described default check information, performs corresponding action.The safety of fingerprint verification system can be improved, and mobile terminal is easy to carry, thus improve Consumer's Experience.
Description
Technical field
The present invention relates to technical field of visible light communication, particularly relate to a kind of fingerprint inspection based on visible light communication
Card method and system.
Background technology
Wireless light communication technology is also known as visible ray communication, and it is flashed by the altofrequency of LED light source and leads to
Letter, has light to represent 1, unglazed represents 0, and its transfer rate is up to upper gigabit per second.Wireless light communication passes through
Visible ray carries out data transmission, and compared with microwave technology, has quite abundant frequency spectrum resource, is the most micro-
Wave communication and radio communication are incomparable；Visible light communication can be suitable for any communication protocol, be suitable for simultaneously
In any environment；In terms of safety, it is not necessary to worry that Content of Communication is stolen by people；The equipment of wireless light communication
The most convenient, and cost is the lowest, is suitable for extensive popularization and application.
Fingerprint recognition refers to utilize biological identification technology, after the fingerprint characteristic of target is identified analyzing and processing
Carry out a kind of technology judged.By using the description to fingerprint feature point, represent the letter of fingerprint and target
Breath.This fingerprint verification system mobile device can gather and analyze the finger print information of human body, and by finger print information
Join in the data base of this equipment, preserve the information such as current finger print and time, and record the individual of its correspondence
Information, then by communication technology, sends the fingerprint characteristic got and personal information.
In prior art, fingerprint identification technology is widely used in all kinds of fields, and it identifies user, peace
Quan Xing, the association area such as managerial quickly grow, nowadays commonly used in gate control system and attendance checking system.
Owing to fingerprint has uniqueness, the identification to finger print information can be used to determine personal information.But owing to referring to
Stricture of vagina identification equipment is the most all integrally fixed at somewhere, and the finger print information of user is readily retained on fingerprint identification device,
Thus cause information dropout, there is potential safety hazard.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of finger based on visible light communication
Stricture of vagina verification method and system, it is possible to increase the safety of fingerprint verification system, and mobile terminal is easy to carry,
Thus improve Consumer's Experience.
In order to solve above-mentioned technical problem, one embodiment of the invention provides a kind of finger based on visible light communication
Stricture of vagina checking system, including the dispensing device being placed in mobile terminal and reception device, wherein: described transmission fills
Put and include fingerprint collecting unit, data processing unit and transmitting element；Described fingerprint collecting unit is used for
Scanning finger print information；Data processing unit characterizes described finger print information for being converted into by described finger print information
Digital information；Described transmitting element, for sending described digital information by visible light signal；
Described reception device, including receiving unit, authentication unit and motor unit；Described reception unit
For receiving described visible light signal, and extract the digital information carried in described visible light signal；Checking is single
Unit, compares with the check information preset for the digital information extracted by described reception unit, works as extraction
Digital information when mating with described default check information, control described motor unit and perform corresponding dynamic
Make.
Another embodiment of the present invention additionally provides a kind of fingerprint authentication method based on visible light communication, including:
The transmitting terminal scanning finger print information being built in mobile terminal, is converted into sign institute by described finger print information
State the digital information of finger print information, and described digital information is sent by visible light signal；
Receiving terminal receives described visible light signal, extracts the digital information carried in described visible light signal, and
This digital information is compared with the check information preset, when the digital information extracted and described default school
When testing information matches, perform corresponding action.
In the embodiment of the present invention, the mobile terminal collection that finger print information is carried with by user, relative to solid
Locking equipment, can avoid finger print information to reveal, improve safety；It addition, finger print information is believed by visible ray
Number send, due to the linear transmission of optical signal, customer identification information is difficult to leak, and therefore can further improve
The safety of fingerprint verification system.
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in mode or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the fingerprint verification system schematic diagram based on visible light communication that the embodiment of the present invention one provides；
Fig. 2 is the fingerprint verification system schematic diagram based on visible light communication that the embodiment of the present invention two provides；
Fig. 3 is the fingerprint verification system schematic diagram based on visible light communication that the embodiment of the present invention three provides；
Fig. 4 is the fingerprint verification system schematic diagram based on visible light communication that the embodiment of the present invention four provides；
Fig. 5 is the axonometric chart of the light-operated mobile terminal that the embodiment of the present invention five provides；
Fig. 6 is the fingerprint authentication method flow chart based on visible light communication that the embodiment of the present invention six provides；
Fig. 7 is the fingerprint authentication method flow chart based on visible light communication that the embodiment of the present invention seven provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into the model of present invention protection
Enclose.
In embodiments of the present invention, by by optical signal transmission user fingerprints information, due to the guarantor of optical signal
Close property is strong, thus improves the safety of fingerprint verification system.
See Fig. 1, be a kind of based on visible light communication the fingerprint verification system of the embodiment of the present invention one offer
Schematic diagram, this fingerprint verification system includes dispensing device 11 and receives device 12.
In the present embodiment, mobile terminal is as the transmitting terminal of fingerprint verification system, is built-in with dispensing device 11.
This mobile terminal can be mobile phone, personal digital assistant, MP3 or pen.
Dispensing device 11 include fingerprint collecting unit 11a, data processing unit 11b, transmitting element 11c,
Power supply 11d and button 11e, fingerprint collecting unit 11a are used for scanning user fingerprints information；At data
Reason unit 11b for being converted into the digital information characterizing finger print information by finger print information；Transmitting element 11c,
For the digital information characterizing finger print information being sent by visible light signal, transmitting element 11c is permissible
Illuminating lamp or flash lamp for light emitting diode, such as mobile terminal.Power supply 11d is embedded in mobile terminal
In battery case, power supply 11d by the button 11e that is located on mobile terminal outward and fingerprint collecting unit 11a,
Data processing unit 11b and transmitting element 11c electrical connection, processes to fingerprint collecting unit 11a, data
Unit 11b and transmitting element 11c provides electric energy.When button 11e presses, power supply 11d adopts with fingerprint
Collection unit 11a, data processing unit 11b and transmitting element 11c realizes conducting, thus fingerprint collecting
Unit 11a gathers user fingerprints information, data processing unit by the transparent position on mobile terminal case
Finger print information is converted to digital information by 11b, drives transmitting element 11c to send and characterizes user fingerprints information
Visible light signal.Certainly, in other embodiments, dispensing device 11 can not also include power supply 11d
And button 11e, and use the mode of connection direct-electrifyings such as USB.Power supply 11d can use rechargeable battery or
Button cell.
In concrete implementation process, the finger print information of acquisition can be converted to two and enter by data processing unit 11b
Data processed, are converted to binary data up and down along triggering signal further according to Manchester's code mode.Specifically
Ground, within a time cycle, is converted to binary data " 1 " rising edge and triggers signal, by " 0 "
Be converted to trailing edge and trigger signal.Transmitting element 11c receives trailing edge and triggers during signal luminous, receives
Rising edge triggers during signal the most luminous.
Receive device 12, including receiving unit 12a, authentication unit 12b and motor unit 12c；Connect
Receive unit 12a for receiving the visible light signal that transmitting element 11c sends, and extract in visible light signal and take
The digital information of band；Authentication unit 12b, for by receive unit 12a extract digital information with preset
Check information is compared, when the digital information extracted is mated with the check information preset, and control action list
Unit 12c performs corresponding action.Wherein, the digital information of extraction mate refer to the check information preset: in advance
If check information identical with the digital information of extraction or there is corresponding relation.
See Fig. 2, be a kind of based on visible light communication the fingerprint verification system of the embodiment of the present invention two offer
Schematic diagram, relative to embodiment one, dispensing device 11 also includes:
Ciphering unit 21, two ends are connected with data processing unit 11b and transmitting element 11c respectively, are used for
The digital information being converted to data processing unit 11b is encrypted.
Correspondingly, receive device 12 also to include:
Decryption unit 22, two ends are connected with reception unit 12a and authentication unit 12b respectively, are used for docking
The digital information receiving unit 12a extraction is decrypted.
Digital information, relative to implementing one, is encrypted, decryption processing in transmitting procedure by the present embodiment,
Further increase the safety of fingerprint authentication.
See Fig. 3, be a kind of based on visible light communication the fingerprint verification system of the embodiment of the present invention three offer
Schematic diagram, relative to embodiment two, receives device 12 and also includes:
Alarm unit 31, for when described digital information is not mated with the check information preset, sending report
Alarming information.
Wherein, the digital information of extraction mate refer to the check information preset: default check information and extraction
Digital information identical or there is corresponding relation.
The present embodiment relative to implement two, add alarm unit 31, the finger print information of transmission with preset
When information is not mated, send warning message, further increase the safety of fingerprint verification system.
See Fig. 4, be a kind of based on visible light communication the fingerprint verification system of the embodiment of the present invention four offer
Schematic diagram, relative to embodiment three, also includes:
Memory element 41, for storing the finger print information of user.Memory element 41 can use able to programme
Read memorizer, Erasable Programmable Read Only Memory EPROM or flash memory.Described finger print information can be by manufacturer
Directly write or write by user.Described finger print information can use binary system to write or use other to be easy to know
The computer programming languages such as other assembler language, high-level language are write.In present embodiment, in order to just
In reading, described finger print information uses high-level [computer to write.
Feature comparing unit 42, for obtaining the eigenvalue of the finger print information of fingerprint collecting unit 11a scanning,
This feature value is compared with the finger print information that memory element 41 stores, if comparing result is consistent, to
Described data processing unit 11b sends finger print information.
In the present embodiment, owing to the finger print information gathered is carried out Characteristic Contrast, therefore lose when this mobile terminal
The when of mistake, stranger cannot send the visible light signal carrying finger print information by the mobile terminal found,
Further increase the safety of fingerprint verification system.
Seeing Fig. 5, be the axonometric chart of a kind of light-operated mobile terminal that the embodiment of the present invention five provides, this moves
Terminal includes shell 51, and containing the position 51a being made up of transparent material on this shell, mobile terminal is by being somebody's turn to do
The finger print information that transparent position 51 gathers.One end of this mobile terminal is externally provided with light emitting diode 51c,
This light emitting diode 51c carries the visible light signal of user fingerprints information for sending, and the other end is provided with battery
Lid 51b, this battery cover can be connected with other parts of mobile terminal by rib-loop, it is also possible to passes through slip lid
It is connected with other parts of mobile terminal.
See Fig. 6, be a kind of based on visible light communication the fingerprint authentication method of the embodiment of the present invention six offer
Flow chart, this fingerprint authentication method includes:
S61: the transmitting terminal scanning finger print information being built in mobile terminal.
S62: finger print information scanning obtained obtains finger print information eigenvalue by fingerprint algorithm, with this spy
Value indicative is as the digital information of finger print information.
S63: digital information is sent by visible light signal.
S64: receiving terminal receives described visible light signal, extracts the numeral letter carried in described visible light signal
Breath.
S65: digital information compared with the check information preset, when the digital information extracted is with default
Check information coupling time, perform corresponding action.
Wherein, the check information preset is: identical with the digital information extracted, or there is corresponding relation.
The embodiment of the present invention, gathers finger print information by mobile terminal, owing to finger print information remains in mobile whole
On end, it is not easy to lose for fixing equipment；Finger print information is sent, due to visible by visible ray
The linear transmission characteristic of light, it is not easy to cause finger print information to be lost, thus the peace of fingerprint verification system can be improved
Quan Xing, improves Consumer's Experience.
See Fig. 7, be a kind of based on visible light communication the fingerprint authentication method of the embodiment of the present invention seven offer
Flow chart, this fingerprint authentication method includes:
S71: the transmitting terminal scanning finger print information being built in mobile terminal.
S72: finger print information scanning obtained is converted into the digital information characterizing finger print information.
S73: described digital information is encrypted.
S74: digital information is sent by visible light signal.
S75: receiving terminal receives described visible light signal, extracts the numeral letter carried in described visible light signal
Breath.
S76: the digital information extracted is decrypted.
S77: the digital information after deciphering is compared with the check information preset, it is judged that the numeral of extraction
Whether information mates with the check information preset, if coupling, performs step S78；Otherwise, step S79 is performed.
S78: perform corresponding action.
S79: alert.
The present embodiment is relative to embodiment six, owing to having carried out the finger print information gathered at encryption at transmitting terminal
Reason, finger print information is verified by receiving terminal when, if the finger print information received verifies letter with presetting
Breath portion mates, and therefore alert can further improve the safety of fingerprint verification system.
Above disclosed only one better embodiment of the present invention, can not limit this with this certainly
The interest field of invention, the equivalent variations therefore made according to the claims in the present invention, still belong to the present invention and contained
Scope.
Claims (6)
1. a fingerprint verification system based on visible light communication, it is characterised in that include being placed in mobile terminal
In dispensing device and receive device, described dispensing device includes fingerprint collecting unit, memory element, feature
Comparing unit, data processing unit, ciphering unit and transmitting element；Described transmitting element is luminous two
Pole is managed；Described fingerprint collecting unit is used for scanning finger print information；Described memory element, for storing user's
Finger print information；Described feature comparing unit, for obtaining the feature of the finger print information of fingerprint collecting unit scan
Value, compares this feature value with the finger print information that memory element stores, if comparing result is consistent, to
Described data processing unit sends finger print information；Data processing unit is for being converted into two by described finger print information
Binary data, is converted to binary data up and down along triggering signal further according to Manchester's code mode；Institute
State ciphering unit, be encrypted for the digital information that described data processing unit is converted to；Described
Send unit, for described digital information being sent by visible light signal, trigger letter receiving trailing edge
Number time luminescence, receive rising edge trigger signal time the most luminous；
Described reception device, including receiving unit, decryption unit, authentication unit and motor unit and report
Alert unit；Described reception unit is used for receiving described visible light signal, and extracts in described visible light signal and take
The digital information of band；Described decryption unit, is decrypted for the digital information extracting described reception unit；
Authentication unit, compares with the check information preset for the digital information extracted by described reception unit,
When the digital information extracted is mated with described default check information, control described motor unit and perform corresponding
Action；Described alarm unit, is used for when described digital information is not mated with described default check information,
Alert.
Fingerprint verification system the most according to claim 1, it is characterised in that described fingerprint collecting unit
Corresponding shell position uses transparent material.
Fingerprint verification system the most according to claim 1, it is characterised in that described fingerprint verification system
Also include the power supply being placed in mobile terminal, for described fingerprint collecting unit, data processing unit, with
And transmitting element powers.
Fingerprint verification system the most according to claim 3, it is characterised in that described fingerprint verification system
Also include the outer button being located on mobile terminal, for controlling the on off state of described power supply.
5. a fingerprint authentication method based on visible light communication, it is characterised in that described method uses right
Require that the fingerprint verification system described in 1 is carried out, including:
The transmitting terminal scanning finger print information being built in mobile terminal；Obtain the fingerprint of fingerprint collecting unit scan
The eigenvalue of information, compares this feature value with the finger print information that memory element stores, if contrast knot
Fruit is consistent, sends finger print information to described data processing unit；Described finger print information is converted into sign described
The digital information of finger print information, is encrypted described digital information, and by described digital information by visible
Optical signal sends；
Receiving terminal receives described visible light signal, extracts the digital information carried in described visible light signal, right
The digital information extracted is decrypted, and this digital information is compared, when carrying with the check information preset
When the digital information taken is mated with described default check information, perform corresponding action；When described numeral letter
When breath does not mates with described default check information, alert.
Fingerprint authentication method the most according to claim 5, it is characterised in that described default verification letter
Breath is: identical with the digital information extracted, or there is corresponding relation.
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| CN201210050172.0A CN103294984B (en) | 2012-02-29 | 2012-02-29 | Fingerprint authentication method based on visible light communication and system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103810017B (en) * | 2013-11-15 | 2016-05-11 | 深圳光启智能光子技术有限公司 | The method of sending and receiving of command information and device thereof |
| KR101797643B1 (en) | 2013-11-15 | 2017-12-12 | 쿠앙치 인텔리전트 포토닉 테크놀로지 리미티드 | Instruction information transmission and reception methods and devices thereof |
| CN103793261A (en) * | 2013-11-15 | 2014-05-14 | 深圳光启创新技术有限公司 | Methods and devices for sending and receiving instruction information |
| KR101879326B1 (en) | 2013-11-15 | 2018-07-17 | 쿠앙치 인텔리전트 포토닉 테크놀로지 리미티드 | Method and device for transmitting and receiving instruction information |
| CN104869137B (en) * | 2014-02-25 | 2018-12-14 | 联想(北京)有限公司 | A kind of method and electronic equipment for transmitting data |
| CN104852979B (en) * | 2015-05-08 | 2018-07-17 | 邹骁 | A kind of cloud storage service access system, method and relevant device |
| CN106972888A (en) * | 2017-03-28 | 2017-07-21 | 北京拉酷网络科技有限公司 | Utilize the method and system of light transmission information |
| CN109410360A (en) * | 2017-12-31 | 2019-03-01 | 刘桂兰 | A kind of intelligent attendance system and Work attendance method based on visible light communication |
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Effective date of registration: 20150911 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Applicant after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Applicant before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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