CN102945365A - 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 the human body biological characteristics recognition technology field.The present invention is simply portable with it, make things convenient for Client application to be operating as purpose, is used for large and medium-sized enterprise's unit personnel authentication, safety monitoring and the attendance management such as security protection, finance, colliery.
Background technology
Iris recognition is to determine people's identity by the similarity between the contrast iris image feature, and to be the methods such as use pattern-recognition, image processing be described and mate the iris feature of eye its core, thereby realize automatic personal identification.
The patented technology that Institute of Automation Research of CAS has " portable iris image acquiring device " (number of patent application 200410078238.2, Granted publication CN100352400C) a kind of portable iris image acquiring device is disclosed, comprise Cold Mirrors, infrarede emitting diode, lighting circuit, imaging lens, imageing sensor, the imaging processing circuit, shell and USB connecting line, sequentially there is lighting circuit at the Cold Mirrors rear, imaging lens, imageing sensor, imaging processing circuit, and Cold Mirrors, lighting circuit, imaging lens and imageing sensor be totally one central shaft.This harvester need not external power supply, connects with computing machine by USB interface, realizes iris image acquiring and transmission.The present invention has realized that the self-align and iris of remote eyes takes between two parties, when have the user near the time, trigger equipment work also gather image sequence automatically.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 need not external miscellaneous equipment (such as image pick-up card), directly can link to each other with computing machine and can work by USB interface, therefore can directly carry out work on different computing machines.Although having finished preferably, the method utilize mancarried device to carry out iris image acquiring, but this patented technology is the Shortcomings part still: at first, whole device in use, may be slightly mobile owing to equipment shake or object, cause the iris image that obtains smudgy; Secondly, this device is just finished iris image acquiring, and the equipment purposes is single; Again, this invention equipment can't work alone, and must link to each other with outer computer and could work by USB interface, for being inconvenient to carry computing machine or needing the frequent mobile occasion of using this device, can not independently use.
The patented claim that Shanghai Lg Electronics Co., Ltd proposes " method of portable iris recognition system and identification iris thereof " (number of patent application 200510030217.8, publication number CN1940959) discloses a kind of method about portable iris recognition system and identification iris thereof.The portable iris recognition system of this invention comprises: aim at eyes in user distance after, can obtain the indicating module of user's iris image; The iris image store that obtains in the above-mentioned indicating module in storer; Detect the position of iris in the image of in above-mentioned storer, storing, the image processor that uses the iris code to process; The I/O module that also comprises simultaneously the iris image of processing in the above-mentioned image processor of transmission.According to the portable iris recognition system of this invention and the method for identification iris thereof, in this portable set, owing to having increased the hardware of iris authentication system, can make things convenient for to a certain extent the user to carry out iris recognition.But deficiency is still deposited in this invention: at first, this device is take single-chip microcomputer as core, adopt very large scale integration technology that central processor CPU and data-carrier store with data processing function are integrated on the chip, processing speed and data storage capacity are restricted; Secondly, the method that this device is identified is just carried out single authentication by itself, does not satisfy the use that security level requires different user; Again, this device with extraneous without any data transmission mutual, cause existing data to share, carry out in real time the occasion of Data Update or multimachine networking at needs and can't use.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, the collection of a kind of collection iris feature value is proposed, handheld iris recognition device and the method for multiple certification mode, several data transmission mode, the handled easily personnel effectively utilize portable equipment to carry out authentication and data acquisition.
To achieve these goals, apparatus of the present invention comprise the governor circuit module, display module, iris feature value acquisition module, human body appearance acquisition module, voice cue module, the input operation module, the Man Machine Interface module, nine modules of data memory module and communication module connect by bus between each module.Wherein: the governor circuit module, adopting Inter double-core CPU is processor, be used for receiving and processing 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 outputed to display module and voice cue module.Display module adopts the LCD color LCD screen, is used for the Identification display object information and at the operation interface of registration process.Iris feature value acquisition module adopts the anti-shake iris camera of optics, is used for gathering the iris of both eyes image, and after the iris image that gathers is converted to iris feature value code, again iris feature value code is sent to governor circuit module controls chip.Human body appearance acquisition module adopts high pixel color camera, be used for to take user's appearance image, and is hexadecimal code with user's appearance image transitions, then this code is sent to governor circuit module controls chip.Voice cue module is used for the voice suggestion recognition result.The input operation module adopts touch-screen, and be used for registration and identify the selection of two kinds of patterns, and the typing operation of user profile during registration.The Man Machine Interface module, the interface that is used for providing the handheld iris recognition device of several data transmission mode to be connected with external device.Data memory module, adopt large capacity solid state disk, the iris feature value code, user's appearance image and the subscriber information message that be used for storage identification, generate when succeeding in registration, this module can be used for intermediate data in temporary registration and the identifying simultaneously, and provides internal memory when carrying out the comparison of iris feature value code.Communication module is for carrying out data transmission between the data message that will register, identify and the extraneous remote server.
Method of the present invention comprises the steps:
(1) set basic parameter:
1a) operating personnel manually click basic parameter by the input operation module and set option, eject the selection window of certification mode, network channel and mode of operation;
1b) operating personnel manually select network channel according to use occasion network environment of living in;
1c) operating personnel manually select mode of operation according to requirements;
1d) operating personnel manually select local and server double authentication in the demanding situation of authentication security; In the situation that operating personnel have relatively high expectations to authentication security, manually select server authentication; Operating personnel require manually to select local authentication in the lower situation to authentication security.
(2) judge whether identification:
Central processing unit on the governor circuit module judges that the iris capturing module entered status recognition, execution in step (3) when mode of operation was chosen as identification; If during for registration, the iris capturing module enters login state, execution in step (8).
(3) obtain the iris feature value:
3a) user places acquisition window with eyes, and the anti-shake iris camera of optics obtains iris image in acquisition range;
3b) modulus conversion chip in the anti-shake iris camera of optics is converted to iris feature value code with iris image.
(4) judge whether local authentication:
Central processing unit in the governor circuit module is judged the selection result of certification mode in the basic parameter, if when being local authentication, and execution in step (6); Otherwise execution in step (5).
(5) the transmission of data:
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, carries out 5a); If when being Ethernet TCP/IP transmission channel, carry out 5b); If when being mobile phone GPRS transmission channel, carry out 5c).
The iris feature value code that 5a) the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module;
The iris feature value code that 5b) the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module;
The iris feature value code that 5c) the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module.
(6) comparison data:
Central processing unit in the governor circuit module is judged the selection result that authenticates in the basic parameter, if when being local authentication, and execution in step 6a); If when being server authentication, execution in step 6b); If when being local and server double authentication, execution in step 6c);
6a) the iris feature value code that iris feature value acquisition module is got access to of the central processing unit in the governor circuit module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively;
6b) extraneous remote server is with the iris feature value code that receives, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively;
6c) the iris feature value code that iris feature value acquisition module is got access to of the central processing unit in the governor circuit module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if different, then generate the failed authentication code of comparison, finish relatively; If identical, then extraneous remote server compares the iris feature value code that receives with pre-stored iris feature value code in the local datastore module, judges whether two codes are identical, if identical, then generates the successful authentication code of comparison; If different, then generate the failed authentication code of comparison, finish relatively.
(7) Output rusults:
Central processing unit in the governor circuit module is judged when the comparing result is successful authentication code, execution in step 7a); When judged result is failed authentication code, execution in step 7b then);
7a) with user's Facial Features, data information in the data memory module, output to the LCD display module; Information of voice prompt in the data memory module is outputed to voice cue module;
7b) will compare failed information and output to voice cue module.
(8) registration:
8a) operating personnel are by input operation module typing user Word message;
8b) user places the iris image acquiring window with eyes, and the anti-shake iris camera of optics obtains iris image in the acquisition module in acquisition range; Modulus conversion chip in the anti-shake camera of optics is converted to iris feature value code with iris image;
8c) user places human body appearance acquisition window with head, high pixel color camera collection user appearance image, and be hexadecimal code with user's appearance image transitions.
(9) data transmission:
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, and execution in step 9a); If when being Ethernet TCP/IP transmission channel, execution in step 9b then); If when being mobile phone GPRS transmission channel, execution in step 9c then);
The iris feature value code that 9a) the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module;
The iris feature value code that 9b) the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module;
The iris feature value code that 9c) the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module.
(10) saving result:
Central processing unit in the governor circuit module with 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 the anti-shake iris camera of optics, can effectively avoid because of the image potential difference problem brought of shake, overcome prior art slightly mobile because of equipment shake or object, and cause the ambiguous defective of iris image obtained, improved the ease for use of apparatus of the present invention.
Second, apparatus of the present invention governor circuit module is take the core of Inter double-core CPU as processing and controlling, take full advantage of central processing unit (CPU) control and the fast characteristics of processing speed, overcome the defective of prior art processing speed deficiency, so that the present invention is improving aspect the speed of registration and identification greatly.
The 3rd, apparatus of the present invention data memory module adopts large capacity solid state disk, takes full advantage of solid state hard disc and reads
The characteristics that (writing) data speed is fast, memory capacity is large have overcome the limited shortcoming of prior art memory capacity, so that the present invention has improved data rate memory and memory capacity.
The 4th, apparatus of the present invention can complete independently registration and identify whole process, do not depend on extraneous computing machine, having overcome existing apparatus must by the USB interface workable defective of ability that links to each other with outer computer, improve the independence of apparatus of the present invention.
The 5th, the present invention adopts the several data transmission mode, comprise Ethernet TCP/IP data transmission, wireless WiFi data transmission and mobile phone GPRS Wireless Data Transmission, fully combine the characteristics of current multiple network communication modes, having overcome the prior art data can not be by the defective of Internet Transmission, so that the present invention has realized data sharing.
The 6th, identifying of the present invention adopts multiple certification mode, comprise local authentication, server authentication, local and three kinds of patterns of server double authentication, overcome the single defective of prior art certification mode, make the present invention can satisfy the use of different security level requireds.
Description of drawings
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.
The implementation 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, the Man Machine Interface module, data memory module and communication module connect by bus between each module.Wherein:
The governor circuit module, adopting Inter double-core CPU is processor, be used for receiving and processing 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 outputed to display module and voice cue module.
Display module adopts the LCD color LCD screen, is used for the Identification display object information and at the operation interface of registration process.
Iris feature value acquisition module adopts the anti-shake iris camera of optics, is used for gathering the iris of both eyes image, and after the iris image that gathers is converted to iris feature value code, again iris feature value code is sent to governor circuit module controls chip.
Human body appearance acquisition module adopts high pixel color camera, be used for to take user's appearance image, and is hexadecimal code with user's appearance image transitions, then this code is sent to governor circuit module controls chip.
Voice cue module is used for the voice suggestion recognition result.
The input operation module adopts touch-screen, and be used for registration and identify the selection of two kinds of patterns, and the typing operation of user profile during registration.
The Man Machine Interface module, the interface that is used for providing the handheld iris recognition device of several data transmission mode to be connected with external device.
Data memory module, adopt large capacity solid state disk, the iris feature value code, user's appearance image and the subscriber information message that be used for storage identification, generate when succeeding in registration, this module can be used for intermediate data in temporary registration and the identifying simultaneously, and provides internal memory when carrying out the comparison of iris feature value code.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 is used for storage identification, generates when succeeding in registration; Internal storage is used for the temporary of registration and identifying intermediate data, and provides internal memory when carrying out the comparison of iris feature value code.
Communication module is for carrying out data transmission between the data message that will register, identify and the extraneous remote server.Communication module comprises wireless network card WiFi module, mobile phone GPRS module and the Ethernet TCP/IP module that can freely select; Wherein, wireless network card WiFi module provides wireless network card WiFi transmission channel, is used for carrying out data transmission between the registration, recognition data and information and the extraneous remote server that have under the WLAN coverage condition; Mobile phone GPRS module provides mobile phone GPRS transmission channel, is used in the situation that can't use wireless network card WiFi and Ethernet TCP/IP to carry out carrying out data transmission between the data message such as registration, identification of data transmission and the extraneous remote server; Ethernet TCP/IP module provides Ethernet TCP/IP transmission channel, is used in the situation that carry out data transmission between the data message such as the convenient registration of using cable network, identification and the extraneous remote server.
In embodiments of the present invention, the governor circuit module adopts and grinds the MIO-2261N model mainboard of magnificent company, and processor is the 1.86GHz double-core CPU of Inter, can improve greatly iris data comparison speed, and iris recognition speed is promoted greatly.
In embodiments of the present invention, display module adopts 4.3 cun color LCD LCDs, adopts VGA video industrial siding to be connected with the governor circuit module; What LCDs adopted is the display mode of direct digitally addressing, it can be changed the vision signal of video card output through AD after, according to " address " signal in the signal level, directly with vision signal one to one the liquid crystal pixel on screen show, can perfectly present picture at screen like this, and any geometric distortion, linear distortion can not appear.
In embodiments of the present invention, iris feature value acquisition module adopts the anti-shake iris camera of optics, can guarantee that operating personnel when hand-held the use, also can photograph clearly iris image, uses the usb data line to be connected with the governor circuit module.
In embodiments of the present invention, human body appearance acquisition module adopts the small-sized image pickup head of 1,300,000 pixels, uses the usb data line to be connected with the governor circuit module.
In embodiments of the present invention, voice cue module adopts the LM386 audio power amplifier, cooperates the high-fidelity tonequality loudspeaker of 0.5W, can be with recognition result with true man's speech play out;
In embodiments of the present invention, the input operation module adopts four-wire resistance type touch screen, just can realize host service function with icon or literal on the slight contact of the finger LCD LCDs, thus make man-machine interaction more direct ought, adopt simultaneously USB interface to be connected with the governor circuit module;
In embodiments of the present invention, the Man Machine Interface module adopts USB, RS232 interface, has greatly made things convenient for the user of service that the machine and other equipment interconnections are used;
In embodiments of the present invention, the data such as iris information are temporarily deposited in the memory bar conduct of the 2G capacity of data memory module employing DDR3 immediately storer, adopt the solid-state computer hard disc of 40G capacity as the final memory device of data;
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 the varying environment.
In embodiments of the present invention, complete machine adopts external power adapter and the optional power supply of lithium battery group dual mode, and external power adapter adopts the 12V direct supply, both can for equipment work provides power supply, also can be used as the charger of lithium battery group.Adopt the lithium battery group of 4000mAh as power supply, can satisfy the requirement of outdoor application, and lithium battery can repeatedly use, have environmental protection effect.
The concrete steps of 2 pairs of the inventive method are described below by reference to the accompanying drawings:
Step 1 is set basic parameter.
Operating personnel manually click basic parameter by the input operation module and set option, eject the selection window of certification mode, network channel and mode of operation.
Operating personnel are according to the difference of use occasion network environment of living in, manually select network channel, comprise Ethernet TCP/IP transmission channel, wireless network card WiFi transmission channel and mobile phone GPRS transmission channel, Ethernet TCP/IP transmission channel is to carry out communication by communication line, so fastest, security is the highest; Wireless network card WiFi transmission channel can be carried out uploading or downloading of data by the accessing wireless network signal, and main advantage do not need to be wiring, can not be subjected to the restriction of wiring condition, therefore is fit to very much mobile office user's needs; Mobile phone GPRS transmission channel allows the user to transmit and receive data under end-to-end packet transfer mode, and does not need to utilize the Internet resources of circuit switched mode, thus provide a kind of efficiently, wirelessly transmitting data function cheaply.
Whether operating personnel register according to the user, manually select mode of operation, comprise registration and identify two kinds.
The difference that operating personnel require according to security level, manual selective authenticate mode, in the demanding situation of security level, can select local and server double authentication, such as at the prison, Banking sector can use the demanding unit of user's authentication security; In the situation that operating personnel have relatively high expectations to authentication security, can select server authentication; Operating personnel require can select local authentication in the low situation to authentication security.
Central processing unit on the governor circuit module judges that the iris capturing module entered status recognition when mode of operation was chosen as identification; If during for registration, the iris capturing module enters login state.
Step 3 is obtained the iris feature value.
When eyes are positioned at local time apart from acquisition module 8-14cm, acquisition module meeting autozoom, focus is focused on the iris, focus on user's iris when acquisition module after, gather the video image of iris by an image capture device, the iris recognition process has the algorithm of the property changed, and can analyze the figure in each roundness mess, and convert them to the iris code record.
Step 4 judges whether local authentication.
Central processing unit in the governor circuit module is judged the selection result of certification mode in the basic parameter, if when being local authentication, and execution in step 6; Otherwise execution in step 5;
Step 5, the transmission of data.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, iris feature value code with the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being Ethernet TCP/IP transmission channel, iris feature value code with the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being mobile phone GPRS transmission channel, the iris feature value code with the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module.
Step 6, the comparison data.
Central processing unit in the governor circuit module is judged the selection result that authenticates in the basic parameter, if during for local authentication: the iris feature value code that the central processing unit in the governor circuit module gets access to iris feature value acquisition module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively.
Central processing unit in the governor circuit module is judged the selection result that authenticates in the basic parameter, if during for server authentication: extraneous remote server is with the iris feature value code that receives, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively.
Central processing unit in the governor circuit module is judged the selection result that authenticates in the basic parameter, if during for local and server double authentication: the iris feature value code that the central processing unit in the governor circuit module gets access to iris feature value acquisition module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if different, then generate the failed authentication code of comparison, finish relatively; If identical, then extraneous remote server compares the iris feature value code that receives with pre-stored iris feature value code in the local datastore module, judges whether two codes are identical, if identical, then generates the successful authentication code of comparison; If different, then generate the failed authentication code of comparison, finish relatively.
Step 7, Output rusults.
Central processing unit in the governor circuit module is judged when the comparing result is successful authentication code, at first with user's Facial Features, data information in the data memory module, output to the LCD display module, then the information of voice prompt in the data memory module is outputed to voice cue module.
Central processing unit in the governor circuit module is judged when the comparing result is failed authentication code, when judged result is failed authentication code, will be compared failed information and output to voice cue module.
Step 8, registration.
Operating personnel comprise job number, name, department by input operation module typing user basic information.
The user places the iris image acquiring window with eyes, and the anti-shake iris camera of optics obtains iris image in the acquisition module in acquisition range; Modulus conversion chip in the anti-shake iris camera of optics is converted to iris feature value code with iris image.
The user places human body appearance acquisition window with head, high pixel color camera collection user appearance image, and be hexadecimal code with user's appearance image transitions.
Step 9, the transmission of data.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, iris feature value code with the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being Ethernet TCP/IP transmission channel, iris feature value code with the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module.
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being mobile phone GPRS transmission channel, the iris feature value code with the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module.
Step 10, saving result.
Central processing unit in the governor circuit module with user's Word message, iris feature value code and user's appearance Image Saving to data memory module.
Be described further below in conjunction with 3 pairs of effects of the present invention of accompanying drawing.
1. experiment condition and content
The simulated environment that accompanying drawing 3 is realized is: with the anti-shake iris camera collection of optics eye iris image and be converted to this iris feature value, MIO-2261N mainboard processor compares this iris feature value in this iris feature value code and the solid state hard disc, the small-sized image pickup head of 1,300,000 pixels gathers user's appearance image, the 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 transport module carries out respectively the transmitting-receiving of data, the LM386 chip amplifies voice signal, the data such as iris information are temporarily deposited in the memory bar conduct of the 2G capacity of DDR3 immediately storer, adopt the solid-state computer hard disc of 40G capacity as the final memory device of data.
Concrete emulation content of the present invention is: use handheld iris recognition device and the method for the several data transmission mode of the present invention's proposition, carry out respectively user's registration and identification.
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 square frame has marked the iris of both eyes image that iris feature value acquisition module detects among the figure; Fig. 3 (b) is user's appearance image; Fig. 3 (c) is the registration operation interface; Fig. 3 (d) successfully identifies Output rusults figure for the user.As seen from Figure 3, use apparatus and method of the present invention can realize user's registration and recognition function.
Claims (4)
1. the handheld iris recognition device of several data transmission mode, comprise the governor circuit module, display module, iris feature value acquisition module, human body appearance acquisition module, voice cue module, the input operation module, the Man Machine Interface module, nine modules of data memory module and communication module connect by bus between each module; Wherein:
Described governor circuit module, adopting Inter double-core CPU is processor, be used for receiving and processing 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 outputed to display module and voice cue module;
Described display module adopts the LCD color LCD screen, is used for the Identification display object information and at the operation interface of registration process;
Described iris feature value acquisition module adopts the anti-shake iris camera of optics, is used for gathering the iris of both eyes image, and after the iris image that gathers is converted to iris feature value code, again iris feature value code is sent to governor circuit module controls chip;
Described human body appearance acquisition module adopts high pixel color camera, be used for to take user's appearance image, and is hexadecimal code with user's appearance image transitions, then this code is sent to governor circuit module controls chip;
Described voice cue module is used for the voice suggestion recognition result;
Described input operation module adopts touch-screen, and be used for registration and identify the selection of two kinds of patterns, and the typing operation of personal information during registration;
Described Man Machine Interface module, the interface that is used for providing the handheld iris recognition device of several data transmission mode to be connected with external device;
Described data memory module, the iris feature value code, personnel's appearance image and the personnel's data information that be used for storage identification, generate when succeeding in registration; This module can be used for intermediate data in temporary registration and the identifying simultaneously, and provides internal memory when carrying out the comparison of iris feature value code;
Described communication module is for carrying out data transmission between the data message that will register, identify and the extraneous remote server.
2. the handheld iris recognition device of several data transmission mode according to claim 1, it is characterized in that, described 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 is used for storage identification, generates when succeeding in registration; Internal storage is used for the temporary of registration and identifying intermediate data, and provides internal memory when carrying out the comparison of iris feature value code.
3. the handheld iris recognition device of several data transmission mode according to claim 1 is characterized in that, described communication module comprises wireless network card WiFi module, mobile phone GPRS module and the Ethernet TCP/IP module that can freely select; Wherein, wireless network card WiFi module provides wireless network card WiFi transmission channel, is used for carrying out data transmission between the registration, recognition data and information and the extraneous remote server that have under the WLAN coverage condition; Mobile phone GPRS module provides mobile phone GPRS transmission channel, is used in the situation that can't use wireless network card WiFi and Ethernet TCP/IP to carry out carrying out data transmission between the data message such as registration, identification of data transmission and the extraneous remote server; Ethernet TCP/IP module provides Ethernet TCP/IP transmission channel, is used in the situation that carry out data transmission between the data message such as the convenient registration of using cable network, identification and the extraneous remote server.
4. the handheld iris recognition methods of several data transmission mode comprises the steps:
(1) set basic parameter:
1a) operating personnel manually click basic parameter by the input operation module and set option, eject the selection window of certification mode, network channel and mode of operation;
1b) operating personnel manually select network channel according to use occasion network environment of living in;
1c) operating personnel manually select mode of operation according to requirements;
1d) operating personnel manually select local and server double authentication in the demanding situation of authentication security; In the situation that operating personnel have relatively high expectations to authentication security, manually select server authentication; Operating personnel require manually to select local authentication in the lower situation to authentication security;
(2) judge whether identification:
Central processing unit on the governor circuit module judges that the iris capturing module entered status recognition, execution in step (3) when mode of operation was chosen as identification; If during for registration, the iris capturing module enters login state, execution in step (8);
(3) obtain the iris feature value:
3a) user places acquisition window with eyes, and the anti-shake iris camera of optics obtains iris image in the acquisition module in acquisition range;
3b) modulus conversion chip in the anti-shake iris camera of optics is converted to iris feature value code with iris image;
(4) judge whether local authentication:
Central processing unit in the governor circuit module is judged the selection result of certification mode in the basic parameter, if when being local authentication, and execution in step (6); Otherwise execution in step (5);
(5) the transmission of data:
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, carries out 5a); If when being Ethernet TCP/IP transmission channel, carry out 5b); If when being mobile phone GPRS transmission channel, carry out 5c);
The iris feature value code that 5a) the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module;
The iris feature value code that 5b) the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module;
The iris feature value code that 5c) the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module;
(6) comparison data:
Central processing unit in the governor circuit module is judged the selection result that authenticates in the basic parameter, if when being local authentication, and execution in step 6a); If when being server authentication, execution in step 6b); If when being local and server double authentication, execution in step 6c);
6a) the iris feature value code that iris feature value acquisition module is got access to of the central processing unit in the governor circuit module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively;
6b) extraneous remote server is with the iris feature value code that receives, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if identical, then generate the successful authentication code of comparison, finish relatively; If different, then generate the failed authentication code of comparison, finish relatively;
6c) the iris feature value code that iris feature value acquisition module is got access to of the central processing unit in the governor circuit module, compare with pre-stored iris feature value code in the local datastore module, judge whether two codes are identical, if different, then generate the failed authentication code of comparison, finish relatively; If identical, then extraneous remote server compares the iris feature value code that receives with pre-stored iris feature value code in the local datastore module, judges whether two codes are identical, if identical, then generates the successful authentication code of comparison; If different, then generate the failed authentication code of comparison, finish relatively;
(7) Output rusults:
Central processing unit in the governor circuit module is judged when the comparing result is successful authentication code, execution in step 7a); When judged result is failed authentication code, execution in step 7b then);
7a) with user's Facial Features, data information in the data memory module, output to the LCD display module; Information of voice prompt in the data memory module is outputed to voice cue module;
7b) will compare failed information and output to voice cue module;
(8) registration:
8a) operating personnel are by input operation module typing user Word message;
8b) user places the iris image acquiring window with eyes, and the anti-shake iris camera of optics obtains iris image in the acquisition module in acquisition range; Modulus conversion chip in the anti-shake iris camera of optics is converted to iris feature value code with iris image;
8c) user places human body appearance acquisition window with head, high pixel color camera collection user appearance image, and be hexadecimal code with user's appearance image transitions;
(9) the transmission of data:
Central processing unit in the governor circuit module is judged the selection result of network channel in the basic parameter, if when being wireless network card WiFi passage, and execution in step 9a); If when being Ethernet TCP/IP transmission channel, execution in step 9b then); If when being mobile phone GPRS transmission channel, execution in step 9c then);
The iris feature value code that 9a) the iris capturing module is obtained is transferred to remote server by wireless network card WiFi transport module;
The iris feature value code that 9b) the iris capturing module is obtained is transferred to remote server by Ethernet TCP/IP transport module;
The iris feature value code that 9c) the iris capturing module is obtained is transferred to remote server by mobile phone GPRS transport module;
(10) saving result:
Central processing unit in the governor circuit module with user's Word message, iris feature value code and user's appearance Image Saving to data memory module.
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