CN102945365B - Handheld iris identification device with multiple data transmission modes and method thereof - Google Patents
Handheld iris identification device with multiple data transmission modes and method thereof Download PDFInfo
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Abstract
The invention discloses a handheld iris identification device with multiple data transmission modes and a method thereof, and mainly solves the problems of no data transmission and sharing with peripheral equipment and no safety grading in an authentication process in the prior art. The device comprises a main control circuit module, a display module, an iris characteristic value acquisition module, a human body appearance acquisition module, a voice prompt module, an input operation module, a man-machine interaction interface module, a data storage module and a communication module. The method comprises the steps as follows: setting basic parameters; judging whether to identify or not; obtaining iris characteristic values; judging whether to locally authenticate or not; transmitting data; comparing the data; outputting results; registering; transmitting the data; and storing the results. According to the device and the method, the computing speed is accelerated by utilizing the characteristic of high processing speed of a computer processor; data transmission and sharing with the peripheral equipment are achieved in combination with multiple network communication modes; and different safety grade requirements can be met by adopting multiple authentication modes.
Description
Technical field
The invention belongs to technical field of image processing, further relate to a kind of handheld iris recognition device and the method with several data transmission mode in human body biological characteristics recognition technology field.The present invention is simply portable with it, facilitate Client application to be operating as object, for large and medium-sized enterprise's unit personnel authentication, safety monitoring and attendance management such as security protection, finance, collieries.
Background technology
Iris recognition is determined the identity of people, and its core is that the iris features of method to eye such as using forestland identification, image procossing are described and mate, thus realizes automatic personal identification.
Patented technology " the portable iris image acquiring device " (number of patent application 200410078238.2 that Institute of Automation Research of CAS has, Authorization Notice No. CN100352400C) disclose a kind of portable iris image acquiring device, comprise Cold Mirrors, infrarede emitting diode, lighting circuit, imaging lens, imageing sensor, imaging processing circuit, shell and USB connecting line, Cold Mirrors rear order has lighting circuit, imaging lens, imageing sensor, imaging processing circuit, and Cold Mirrors, lighting circuit, imaging lens and imageing sensor be totally one central shaft.This harvester, without the need to external power supply, is connected with computing machine by USB interface, realizes iris image acquiring and transmission.Present invention achieves the self-align and iris of remote eyes to take between two parties, when have user near time, automatically trigger equipment work also can gather image sequence.This device can be used for the foundation of iris identification system and iris image database.This patented technology volume is little, is easy to carry, and without the need to external miscellaneous equipment (as image pick-up card), is directly connected by USB interface can works with computing machine, therefore can directly on a different computer face carry out work.Mancarried device is utilized to carry out iris image acquiring although the method completes preferably, but this patented technology is Shortcomings part still: first, whole device in use, may, due to equipment shake or object slightly movement, cause the iris image of acquisition smudgy; Secondly, this device just completes iris image acquiring, and equipment purposes is single; Again, this invention equipment cannot work alone, and must be connected and could work by USB interface with outer computer, carrying computing machine or needing the frequent mobile occasion using this device, can not independently use for being inconvenient to.
The patented claim " method of portable iris recognition system and identification iris thereof " (number of patent application 200510030217.8, publication number CN1940959) that Shanghai Lg Electronics Co., Ltd proposes discloses a kind of about portable iris recognition system and the method identifying iris thereof.The portable iris recognition system of this invention comprises: aim at eyes in user distance after, can obtain the indicating module of the iris image of user; The iris image store obtained in above-mentioned indicating module in storer; Detect the position of iris in the image stored in above-mentioned storer, use the image processor of iris code process; Also comprise the I/O module of the iris image processed in the above-mentioned image processor of transmission simultaneously.According to the portable iris recognition system of this invention and the method for identification iris thereof, owing to adding the hardware of iris authentication system in this portable set, user can be facilitated to a certain extent to carry out iris recognition.But this invention still deposits deficiency: first, this device take single-chip microcomputer as core, adopt very large scale integration technology that the central processor CPU and data-carrier store with data processing function is integrated on chip, processing speed and data storage capacity are restricted; Secondly, this device carries out knowing method for distinguishing and just carries out single certification by itself, can not meet the use of security level requirement different user; Again, this device with extraneous without any data transmit alternately, cause existing data to share, cannot use needing to carry out in real time the occasion that Data Update or multimachine network.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, propose a kind of collection iris feature value to gather, the handheld iris recognition device of multiple certification mode, several data transmission mode and method, handled easily personnel effectively utilize portable equipment to carry out authentication and data acquisition.
To achieve these goals, apparatus of the present invention comprise governor circuit module, display module, iris feature value acquisition module, human body appearance acquisition module, voice cue module, input operation module, Man Machine Interface module, data memory module and communication module nine modules, connected by bus between each module.Wherein: governor circuit module, Inter double-core CPU is adopted to be processor, for receiving and process the data message of iris feature value acquisition module, human body appearance acquisition module, input operation module, Man Machine Interface module, data memory module and communication module, and result is outputted to display module and voice cue module.Display module, adopts LCD color LCD screen, for Identification display object information and the operation interface in registration process.Iris feature value acquisition module, adopting optical anti-vibration to move iris camera, for gathering iris of both eyes image, and after the iris image of collection is converted to iris feature value code, then iris feature value code being sent to governor circuit module control chip.Human body appearance acquisition module, adopts high pixel color camera, for taking user's appearance image, and user's appearance image being converted to hexadecimal code, then this code being sent to governor circuit module control chip.Voice cue module, for voice message recognition result.Input operation module, adopts touch-screen, and for registering and identify the selection of two kinds of patterns, and during registration, the typing of user profile operates.Man Machine Interface module, carries out for providing the handheld iris recognition device of several data transmission mode and external device the interface be connected.Data memory module, adopt Large Copacity solid state hard disc, the iris feature value code, user's appearance image and the subscriber information message that generate for storing identification, when succeeding in registration, this module can be used for intermediate data in temporary registration and identifying simultaneously, and provides internal memory when carrying out the code comparison of iris feature value.Communication module, for carrying out data transmission by between the data message of registration, identification and extraneous remote server.
Method of the present invention comprises the steps:
(1) basic parameter is set:
1a) operating personnel manually click basic parameter setting option by input operation module, eject the selection window of certification mode, network channel and mode of operation;
1b) operating personnel's network environment residing for use occasion, manually selects network channel;
1c) operating personnel according to requirements, manually selects mode of operation;
When 1d) operating personnel require high to authentication security, manually select local and server double authentication; When operating personnel require higher to authentication security, manually select server authentication; When operating personnel require lower to authentication security, manually select local authentication.
(2) judge whether to identify:
When central processing unit in governor circuit module judges that mode of operation is chosen as identification, iris capturing module enters status recognition, performs step (3); If during for registration, iris capturing module enters login state, perform step (8).
(3) iris feature value is obtained:
3a) eyes are placed in acquisition window by user, and optical anti-vibration is moved iris camera and obtain iris image in acquisition range;
Iris image is converted to iris feature value code by the modulus conversion chip that 3b) optical anti-vibration is moved in iris camera.
(4) local authentication is judged whether:
Central processing unit in governor circuit module judges the selection result of certification mode in basic parameter, if when being local authentication, performs step (6); Otherwise perform step (5).
(5) data are transmitted:
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, performs 5a); If when being Ethernet TCP/IP transmission channel, perform 5b); If when being mobile phone GPRS transmission passage, perform 5c).
5a) by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module;
5b) by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module;
5c) by the iris feature value code that iris capturing module obtains, be transferred to remote server by mobile phone GPRS transmission module.
(6) comparison data:
Central processing unit in governor circuit module judges the selection result of certification in basic parameter, if when being local authentication, performs step 6a); If when being server authentication, perform step 6b); If be local with server double authentication time, perform step 6c);
The iris feature value code that iris feature value acquisition module gets by central processing unit 6a) in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare;
6b) the iris feature value code that will receive of extraneous remote server, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare;
The iris feature value code that iris feature value acquisition module gets by central processing unit 6c) in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if different, then generate comparison failure authentication code, terminate to compare; If identical, then the iris feature value code that will receive of extraneous remote server, compares with the iris feature value code be stored in advance in local data storage module, judges that whether two codes are identical, if identical, then generates comparison success flag code; If different, then generate comparison failure authentication code, terminate to compare.
(7) Output rusults:
When central processing unit in governor circuit module judges that comparing result is success flag code, perform step 7a); When judged result is failed authentication code, then perform step 7b);
7a) by user's Facial Features, the data information in data memory module, output to LCD display module; Information of voice prompt in data memory module is outputted to voice cue module;
7b) comparison failure information is outputted to voice cue module.
(8) register:
8a) operating personnel are by input operation module typing user Word message;
8b) eyes are placed in iris image acquiring window by user, and in acquisition module, optical anti-vibration is moved iris camera and obtain iris image in acquisition range; Iris image is converted to iris feature value code by the modulus conversion chip that optical anti-vibration is moved in camera;
8c) head is placed in human body appearance acquisition window by user, high pixel color camera collection user appearance image, and user's appearance image is converted to hexadecimal code.
(9) data transmission:
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, performs step 9a); If when being Ethernet TCP/IP transmission channel, then perform step 9b); If when being mobile phone GPRS transmission passage, then perform step 9c);
9a) by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module;
9b) by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module;
9c) by the iris feature value code that iris capturing module obtains, be transferred to remote server by mobile phone GPRS transmission module.
(10) saving result:
Central processing unit in governor circuit module by user's Word message, iris feature value code and user's appearance Image Saving to data memory module.
The present invention compared with prior art has the following advantages:
First, iris feature value acquisition module in apparatus of the present invention adopts optical anti-vibration to move iris camera, can effectively avoid because shaking the image potential difference problem brought, overcome prior art because of equipment shake or object slightly movement, and cause the ambiguous defect of iris image of acquisition, improve the ease for use of apparatus of the present invention.
Second, apparatus of the present invention governor circuit module with Inter double-core CPU for process and control core, take full advantage of the feature that central processing unit (CPU) controls and processing speed is fast, overcome the defect of prior art processing speed deficiency, the present invention is greatly improved in the speed registered and identify.
3rd, apparatus of the present invention data memory module adopts Large Copacity solid state hard disc, takes full advantage of solid state hard disc and reads
The feature that (write) data speed is fast, memory capacity is large, overcomes the shortcoming that prior art memory capacity is limited, makes to invention increases data rate memory and memory capacity.
4th, apparatus of the present invention can complete independently registration and identify whole process, does not depend on external computer, and overcoming existing apparatus must be connected with outer computer the workable defect of ability by USB interface, improves the independence of apparatus of the present invention.
5th, the present invention adopts several data transmission mode, comprise the transmission of Ethernet TCP/IP data, the transmission of wireless WiFi data and mobile phone GPRS Wireless Data Transmission, fully combine the feature of current multiple network communication modes, overcome prior art data not by the defect of Internet Transmission, make to present invention achieves data sharing.
6th, identifying of the present invention adopts multiple certification mode, comprise local authentication, server authentication, local and server double authentication Three models, overcome the defect that prior art certification mode is single, make the present invention can meet the use of different security level required.
Accompanying drawing explanation
Fig. 1 is the block scheme of apparatus of the present invention;
Fig. 2 is the process flow diagram of the inventive method;
Fig. 3 is simulated effect figure of the present invention.
Concrete implementing measure
Below in conjunction with accompanying drawing, invention is described further.
With reference to accompanying drawing 1, apparatus of the present invention comprise nine modules: display module, iris feature value acquisition module, human body appearance acquisition module, voice cue module, input operation module, Man Machine Interface module, data memory module and communication module, connected by bus between each module.Wherein:
Governor circuit module, Inter double-core CPU is adopted to be processor, for receiving and process the data message of iris feature value acquisition module, human body appearance acquisition module, input operation module, Man Machine Interface module, data memory module and communication module, and result is outputted to display module and voice cue module.
Display module, adopts LCD color LCD screen, for Identification display object information and the operation interface in registration process.
Iris feature value acquisition module, adopting optical anti-vibration to move iris camera, for gathering iris of both eyes image, and after the iris image of collection is converted to iris feature value code, then iris feature value code being sent to governor circuit module control chip.
Human body appearance acquisition module, adopts high pixel color camera, for taking user's appearance image, and user's appearance image being converted to hexadecimal code, then this code being sent to governor circuit module control chip.
Voice cue module, for voice message recognition result.
Input operation module, adopts touch-screen, and for registering and identify the selection of two kinds of patterns, and during registration, the typing of user profile operates.
Man Machine Interface module, carries out for providing the handheld iris recognition device of several data transmission mode and external device the interface be connected.
Data memory module, adopt Large Copacity solid state hard disc, the iris feature value code, user's appearance image and the subscriber information message that generate for storing identification, when succeeding in registration, this module can be used for intermediate data in temporary registration and identifying simultaneously, and provides internal memory when carrying out the code comparison of iris feature value.Data memory module comprises external memory storage and internal storage, iris feature value code, personnel's appearance image and personnel's data information that external memory storage generates for storing identification, when succeeding in registration; Internal storage is temporary for what register with intermediate data in identifying, and provides internal memory when carrying out the code comparison of iris feature value.
Communication module, for carrying out data transmission by between the data message of registration, identification and extraneous remote server.Communication module comprises can the wireless network card WiFi module of unrestricted choice, mobile phone GPRS module and Ethernet TCP/IP module; Wherein, wireless network card WiFi module provides wireless network card WiFi transmission channel, for having the registration under WLAN coverage condition, carrying out data transmission between recognition data and information and extraneous remote server; Mobile phone GPRS module provides mobile phone GPRS transmission passage, carries out data transmission for registration, identification etc. when wireless network card WiFi and Ethernet TCP/IP cannot be used to carry out data transmission between data message and extraneous remote server; Ethernet TCP/IP module provides Ethernet TCP/IP transmission channel, carries out data transmission for registration, identification etc. when cable network easy to use between data message and extraneous remote server.
In embodiments of the present invention, governor circuit module adopts the MIO-2261N model mainboard of Yan Hua company, and processor is the 1.86GHz double-core CPU of Inter, can improve iris data comparison speed greatly, iris recognition speed greatly be promoted.
In embodiments of the present invention, display module adopts 4.3 cun of color LCD LCDs, adopts VGA video industrial siding and governor circuit model calling; What LCDs adopted is the display mode of direct digitally addressing, the vision signal that video card can export by it is after AD conversion, according to " address " signal in signal level, directly show on the liquid crystal pixel of vision signal one to one on screen, picture perfectly can be presented on screen like this, and there will not be any geometric distortion, linear distortion.
In embodiments of the present invention, iris feature value acquisition module adopts optical anti-vibration to move iris camera, can ensure that operating personnel are when hand-held use, also can photograph iris image clearly, uses USB data line and governor circuit model calling.
In embodiments of the present invention, human body appearance acquisition module adopts the small-sized image pickup head of 1,300,000 pixels, uses USB data line and governor circuit model calling.
In embodiments of the present invention, voice cue module adopts LM386 audio power amplifier, coordinates the high-fidelity tonequality loudspeaker of 0.5W, can by recognition result with true man's speech play out;
In embodiments of the present invention, input operation module adopts four-wire resistance type touch screen, just can realize host service function with the icon in finger gentle touchdown LCD liquid crystal display screen or word, thus made man-machine interaction more direct ought, employing USB interface and governor circuit model calling simultaneously;
In embodiments of the present invention, Man Machine Interface module adopts USB, RS232 interface, greatly facilitates user of service and the machine and other equipment interconnections is used;
In embodiments of the present invention, data memory module adopts the memory bar of the 2G capacity of DDR3 temporarily to deposit the data such as iris information as storer immediately, adopts the final memory device of solid-state computer hard disc as data of 40G capacity;
In embodiments of the present invention, communication module integrates ethernet interface module, wireless network card WiFi module, mobile phone GPRS module, can well adapt to the data transmission under varying environment.
In embodiments of the present invention, complete machine adopts external power adapter and the two kinds of optional power supplies of mode of lithium battery group, external power adapter, adopts 12V direct supply, both can provide power supply for equipment work, also can as the charger of lithium battery group.Adopt the lithium battery group of 4000mAh as power supply, the requirement of outdoor application can be met, and lithium battery repeatedly can use, and has environmental protection effect.
The concrete steps of 2 pairs of the inventive method are described below by reference to the accompanying drawings:
Step 1, setting basic parameter.
Operating personnel manually click basic parameter setting option by input operation module, eject the selection window of certification mode, network channel and mode of operation.
The difference of operating personnel's network environment residing for use occasion, manual selection network channel, comprise Ethernet TCP/IP transmission channel, wireless network card WiFi transmission channel and mobile phone GPRS transmission passage, Ethernet TCP/IP transmission channel carries out communication by communication line, so fastest, security is the highest; Wireless network card WiFi transmission channel can be carried out uploading of data or downloads by accessing wireless network signal, and main advantage is not need wiring, by the restriction of wiring condition, therefore can not very be applicable to the needs of mobile office user; Mobile phone GPRS transmission passage allows user to transmit and receive data under end-to-end packet transfer mode, and does not need the Internet resources utilizing circuit switched mode, thus provides a kind of wirelessly transmitting data function of efficient, low cost.
Whether operating personnel register according to user, manually select mode of operation, comprise registration and identify two kinds.
Operating personnel are according to the difference of security level requirement, manual selective authenticate mode, can select local with server double authentication when security level requirement is high, such as at the prison, the unit high to user authentication security requirement of Banking sector can use; When operating personnel require higher to authentication security, server authentication can be selected; When operating personnel require low to authentication security, local authentication can be selected.
Step 2, judges whether to identify.
When central processing unit in governor circuit module judges that mode of operation is chosen as identification, iris capturing module enters status recognition; If during for registration, iris capturing module enters login state.
Step 3, obtains iris feature value.
When eyes are positioned at the local time of distance acquisition module 8-14cm, acquisition module meeting autozoom, focus is focused on iris, after acquisition module focuses on the iris of user, the video image of iris is gathered by an image capture device, iris recognition process has the algorithm of the property changed, and can analyze the figure in each roundness mess, and convert them to iris code record.
Step 4, judges whether local authentication.
Central processing unit in governor circuit module judges the selection result of certification mode in basic parameter, if when being local authentication, performs step 6; Otherwise perform step 5;
Step 5, transmission data.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being Ethernet TCP/IP transmission channel, by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being mobile phone GPRS transmission passage, by the iris feature value code that iris capturing module obtains, is transferred to remote server by mobile phone GPRS transmission module.
Step 6, comparison data.
Central processing unit in governor circuit module judges the selection result of certification in basic parameter, if during for local authentication: the iris feature value code that iris feature value acquisition module gets by the central processing unit in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare.
Central processing unit in governor circuit module judges the selection result of certification in basic parameter, if during for server authentication: the iris feature value code that extraneous remote server will receive, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare.
Central processing unit in governor circuit module judges the selection result of certification in basic parameter, if during for local and server double authentication: the iris feature value code that iris feature value acquisition module gets by the central processing unit in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if different, then generate comparison failure authentication code, terminate to compare; If identical, then the iris feature value code that will receive of extraneous remote server, compares with the iris feature value code be stored in advance in local data storage module, judges that whether two codes are identical, if identical, then generates comparison success flag code; If different, then generate comparison failure authentication code, terminate to compare.
Step 7, Output rusults.
When central processing unit in governor circuit module judges that comparing result is success flag code, first by user's Facial Features, the data information in data memory module, output to LCD display module, then the information of voice prompt in data memory module is outputted to voice cue module.
When central processing unit in governor circuit module judges that comparing result is failed authentication code, when judged result is failed authentication code, comparison failure information is outputted to voice cue module.
Step 8, registration.
Operating personnel, by input operation module typing user basic information, comprise job number, name, department.
Eyes are placed in iris image acquiring window by user, and in acquisition module, optical anti-vibration is moved iris camera and obtain iris image in acquisition range; Iris image is converted to iris feature value code by the modulus conversion chip that optical anti-vibration is moved in iris camera.
Head is placed in human body appearance acquisition window by user, high pixel color camera collection user appearance image, and user's appearance image is converted to hexadecimal code.
Step 9, transmission data.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being Ethernet TCP/IP transmission channel, by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module.
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being mobile phone GPRS transmission passage, by the iris feature value code that iris capturing module obtains, is transferred to remote server by mobile phone GPRS transmission module.
Step 10, saving result.
Central processing unit in governor circuit module by user's Word message, iris feature value code and user's appearance Image Saving to data memory module.
Below in conjunction with accompanying drawing 3, effect of the present invention is described further.
1. experiment condition and content
The simulated environment that accompanying drawing 3 realizes is: be converted to this iris feature value with optics stabilization iris camera collection eye iris image, this iris feature value in this iris feature value code and solid state hard disc compares by MIO-2261N mainboard processor, the small-sized image pickup head of 1300000 pixels gathers user's appearance image, LCD color LCD screen shows successful recognition result and registration operation interface, touch-screen carries out the typing of Word message, wireless network card WiFi transport module, Ethernet TCP/IP transport module, mobile phone GPRS transmission module carries out the transmitting-receiving of data respectively, LM386 chip amplifies voice signal, the memory bar of the 2G capacity of DDR3 temporarily deposits the data such as iris information as storer immediately, adopt the final memory device of solid-state computer hard disc as data of 40G capacity.
Concrete emulation content of the present invention is: the handheld iris recognition device of the several data transmission mode using the present invention to propose and method, carries out registration and the identification of user respectively.
2. experimental result
Accompanying drawing 3 is simulated effect figure of the present invention, and wherein, Fig. 3 (a) is user's binocular images, and in figure, square frame has marked the iris of both eyes image that iris feature value acquisition module detects; Fig. 3 (b) is user's appearance image; Fig. 3 (c) is registration operation interface; Fig. 3 (d) successfully identifies Output rusults figure for user.As seen from Figure 3, apparatus and method of the present invention are used can to realize registration and the recognition function of user.
Claims (1)
1. the handheld iris recognition methods of several data transmission mode, adopt the handheld iris recognition device of several data transmission mode to realize, concrete steps comprise as follows:
(1) basic parameter is set:
1a) operating personnel manually click basic parameter setting option by input operation module, eject the selection window of certification mode, network channel and mode of operation;
1b) operating personnel's network environment residing for use occasion, manually selects network channel;
1c) operating personnel according to requirements, manually selects mode of operation;
When 1d) operating personnel require high to authentication security, manually select local and server double authentication; When operating personnel require higher to authentication security, manually select server authentication; When operating personnel require lower to authentication security, manually select local authentication;
(2) judge whether to identify:
When central processing unit in governor circuit module judges that mode of operation is chosen as identification, iris capturing module enters status recognition, performs step (3); If during for registration, iris capturing module enters login state, perform step (8);
(3) iris feature value is obtained:
3a) eyes are placed in acquisition window by user, and in acquisition module, optical anti-vibration is moved iris camera and obtain iris image in acquisition range;
Iris image is converted to iris feature value code by the modulus conversion chip that 3b) optical anti-vibration is moved in iris camera;
(4) local authentication is judged whether:
Central processing unit in governor circuit module judges the selection result of certification mode in basic parameter, if when being local authentication, performs step (6); Otherwise perform step (5);
(5) data are transmitted:
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, performs 5a); If when being Ethernet TCP/IP transmission channel, perform 5b); If when being mobile phone GPRS transmission passage, perform 5c);
5a) by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module;
5b) by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module;
5c) by the iris feature value code that iris capturing module obtains, be transferred to remote server by mobile phone GPRS transmission module;
(6) comparison data:
Central processing unit in governor circuit module judges the selection result of certification in basic parameter, if when being local authentication, performs step 6a); If when being server authentication, perform step 6b); If be local with server double authentication time, perform step 6c);
The iris feature value code that iris feature value acquisition module gets by central processing unit 6a) in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare;
6b) the iris feature value code that will receive of extraneous remote server, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if identical, then generate comparison success flag code, terminate to compare; If different, then generate comparison failure authentication code, terminate to compare;
The iris feature value code that iris feature value acquisition module gets by central processing unit 6c) in governor circuit module, compare with the iris feature value code be stored in advance in local data storage module, judge that whether two codes are identical, if different, then generate comparison failure authentication code, terminate to compare; If identical, then the iris feature value code that will receive of extraneous remote server, compares with the iris feature value code be stored in advance in local data storage module, judges that whether two codes are identical, if identical, then generates comparison success flag code; If different, then generate comparison failure authentication code, terminate to compare;
(7) Output rusults:
When central processing unit in governor circuit module judges that comparing result is success flag code, perform step 7a); When judged result is failed authentication code, then perform step 7b);
7a) by user's Facial Features, the data information in data memory module, output to LCD display module; Information of voice prompt in data memory module is outputted to voice cue module;
7b) comparison failure information is outputted to voice cue module;
(8) register:
8a) operating personnel are by input operation module typing user Word message;
8b) eyes are placed in iris image acquiring window by user, and in acquisition module, optical anti-vibration is moved iris camera and obtain iris image in acquisition range; Iris image is converted to iris feature value code by the modulus conversion chip that optical anti-vibration is moved in iris camera;
8c) head is placed in human body appearance acquisition window by user, high pixel color camera collection user appearance image, and user's appearance image is converted to hexadecimal code;
(9) data are transmitted:
Central processing unit in governor circuit module judges the selection result of network channel in basic parameter, if when being wireless network card WiFi passage, performs step 9a); If when being Ethernet TCP/IP transmission channel, then perform step 9b); If when being mobile phone GPRS transmission passage, then perform step 9c);
9a) by the iris feature value code that iris capturing module obtains, be transferred to remote server by wireless network card WiFi transport module;
9b) by the iris feature value code that iris capturing module obtains, be transferred to remote server by Ethernet TCP/IP transport module;
9c) by the iris feature value code that iris capturing module obtains, be transferred to remote server by mobile phone GPRS transmission module;
(10) saving result:
Central processing unit in governor circuit module by user's Word message, iris feature value code and user's appearance Image Saving to data memory module.
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| CN104217484B (en) * | 2014-09-19 | 2016-09-07 | 西安凯虹电子科技有限公司 | Single identifier based on iris recognition multi-door access control device and method |
| CN104462923B (en) * | 2014-12-31 | 2018-10-09 | 河南华辰智控技术有限公司 | Intelligent iris identification system applied to mobile communication equipment |
| KR102334209B1 (en) * | 2015-06-15 | 2021-12-02 | 삼성전자주식회사 | Method for authenticating user and electronic device supporting the same |
| CN105245529A (en) * | 2015-10-21 | 2016-01-13 | 四川省宁潮科技有限公司 | User biological characteristic code-based distributed authentication method, terminal and system |
| CN105574491A (en) * | 2015-12-10 | 2016-05-11 | 深圳先进技术研究院 | Iris recognition based examinee identity recognition device and examinee identity recognition method |
| KR101664407B1 (en) * | 2016-05-03 | 2016-10-10 | 송혜선 | Personal On-line Recording Management System by Using Network and Method thereof |
| CN107766800A (en) * | 2017-09-28 | 2018-03-06 | 北京无线电计量测试研究所 | A kind of portable iris collection device |
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