CN106503621A - A kind of method for collecting iris and system - Google Patents
A kind of method for collecting iris and system Download PDFInfo
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- CN106503621A CN106503621A CN201610851755.1A CN201610851755A CN106503621A CN 106503621 A CN106503621 A CN 106503621A CN 201610851755 A CN201610851755 A CN 201610851755A CN 106503621 A CN106503621 A CN 106503621A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
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Abstract
The application provides a kind of method for collecting iris and system, methods described includes measuring in real time the distance of user and equipment, is carried out continuously image acquisition with USB cameras, when an at least width iris image is included in the user images sequence, quality evaluation is carried out to the iris image；When the result of assessment is unqualified, according to assessment result prompting user adjustment attitude and position, image acquisition is carried out again；Until when the result of iris image quality assessment is qualified, generating iris templates data according to the iris image and being stored in data base.The system include image capture module, iris search module, image quality evaluation module, apart from monitoring modular, user mutual control module.The application is based on feedback and to coordinate the contactless smart binocular iris information of acquisition mode to gather, and Consumer's Experience is friendly, has taken into account cost, has realized difficulty, ease for use and Consumer's Experience.
Description
Technical field
The application is related to biological identification technology, the method and system that particularly iris is acquired.
Background technology
Iris recognition technology because its accuracy, stability, safety and untouchable the features such as enjoy people pay close attention to, into
For state-of-the-art biological identification technology at present.One complete iris authentication system must be made up of two parts:Iris capturing system
System and iris identification terminal system.Iris capturing system is used for the eyes image for absorbing user, and then obtains iris texture information.
Stable clearly eyes image can be collected, the related calculation such as Iris Location, texture feature extraction, feature identification is directly govern
The effectiveness of method, so as to directly affect the accuracy of iris identification result, and affects recognition speed to a certain extent.So,
Iris capturing system occupies highly important status in iris recognition technology.
The groundwork of iris capturing system design is how to improve the efficiency of iris capturing, the use of reduction user is difficult
Degree and the reliability of raising equipment.At present commercialization iris capturing system includes contact and contactless two class, wherein non-connects
Touch iris capturing system form is relatively costly, realizes that difficulty is larger, and picking rate is also relatively slow, but user's acceptance is high.Non- connect
Touch iris capturing system includes user's fit system, auto-focusing acquisition mode；Iris capturing equipment is divided into monocular collection again
Equipment and binocular collecting device.
Contactless iris capturing systems most on the market is all to rely primarily on various range finder modules to enter row distance at present
Directly shot in the region that can photograph picture rich in detail after control, come to iris image without a set of more perfect algorithm
Whole gatherer process carry out real-time monitoring and user accurately guided.Accordingly, it is possible to the iris picture for finally collecting
Availability is not high, and as user accurately cannot be guided in gatherer process, Consumer's Experience is not very friendly.
Content of the invention
The present invention provides a kind of method for collecting iris and system, overcomes the iris image availability of existing iris capturing technology
The defect of low, poor user experience.
Embodiments herein provides a kind of method for collecting iris, comprises the following steps：
The distance that user and equipment are measured in real time with infrared distance measurement module, points out user to adjust to can photograph clear iris
The scope of image；
Image acquisition is carried out continuously with USB cameras, user images sequence is obtained；
The user images sequence is scanned for；
When iris image is not included in the user images sequence, user is pointed out to watch mark attentively；Use infrared distance measurement module
Measurement user and the distance of equipment, point out adjustment and the distance of equipment before and after user, carry out image acquisition again in real time；
When an at least width iris image is included in the user images sequence, quality is carried out to the iris image and is commented
Estimate；
When being unqualified to the result of iris image quality assessment several described, the iris image is analyzed；If commented
Result is estimated for motion blur, then prompting user watches mark attentively, carries out image acquisition again；If assessment result is defocus blur,
Then measure the distance of user and equipment with infrared distance measurement module in real time, point out adjustment and the distance of equipment before and after user, enter again
Row image acquisition；
When the result of iris image quality assessment is qualified at least described in a width, iris mould is generated according to the iris image
Plate data are simultaneously stored in data base.
As the embodiment that the inventive method further optimizes, further comprising the steps of：With asymmetric encryption techniques to institute
State iris templates data to be encrypted；The coding after encryption is preserved in the data base.
As the embodiment that the inventive method further optimizes, the step is implemented respectively to the left eye and right eye of user；
Image comprising left eye and/or right eye in the iris image；Number of the iris templates packet containing left eye and/or right eye
According to.
As the embodiment that the inventive method further optimizes, implement the step in normal light respectively according to high light conditions
Suddenly；Image comprising normal light photograph and/or high light conditions in the iris image；The iris templates packet contains normal light
According to and/or high light conditions data.
As the embodiment that the inventive method further optimizes, in the user images sequence in most long search time not
During comprising iris image, quit work.Within the most long assessment time, the result of the iris image quality assessment is unqualified
When, quit work.
Embodiments herein also provides a kind of iris capturing system, and the system includes that image capture module, iris are searched
Rope module, image quality evaluation module, apart from monitoring modular, user mutual control module；Described image acquisition module, for controlling
USB cameras processed carry out image acquisition, obtain user images sequence；The iris search module, in the user images sequence
Scan in row, obtain iris image；Described image quality assessment modules, comment for carrying out quality to the iris image
Estimate, judge whether the iris image is qualified, the quality evaluation includes motion blur detection, defocus blur detection, degree of blocking
Detection；Described apart from monitoring modular, for testing the distance between user and equipment, and judge the distance be more than, less than or
Scope in clear iris image can be photographed；The user mutual control module be used for show in real time the user images,
Iris image, send information.
Used as the embodiment that present system further optimizes, the USB cameras are two, are respectively used to the user
Left eye and right eye carry out image acquisition.
Above-mentioned at least one technical scheme that the embodiment of the present application is adopted can reach following beneficial effect：Based on feedback and
Coordinate the Design of Software Platform of the contactless smart binocular iris information acquisition system of acquisition mode.The system is using common
USB cameras and infrared distance measurement module, in conjunction with iris search, quality evaluation scheduling algorithm, user is in information such as display lamp, voices for guiding
Under prompting, accurate guiding user completes the collection of binocular iris information quick and smoothly, and Consumer's Experience is friendly, has taken into account cost, reality
Existing difficulty, ease for use and Consumer's Experience.And the iris image availability nearly 100% for collecting.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please does not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the embodiment flow chart of method for collecting iris of the present invention；
Fig. 2 is embodiment flow chart iris image scanned in the inventive method；
Fig. 3 is the embodiment flow chart for carrying out quality evaluation in the inventive method to iris image；
Fig. 4 is a kind of embodiment schematic diagram of iris capturing system of the present invention；
Fig. 5 is the course of work schematic diagram that the inventive method is used for apparatus of the present invention.
Specific embodiment
Purpose, technical scheme and advantage for making the application is clearer, below in conjunction with the application specific embodiment and
Corresponding accompanying drawing is clearly and completely described to technical scheme.Obviously, described embodiment is only the application one
Section Example, rather than whole embodiments.Embodiment in based on the application, those of ordinary skill in the art are not being done
The every other embodiment obtained under the premise of going out creative work, belongs to the scope of the application protection.
Below in conjunction with accompanying drawing, the technical scheme that each embodiment of the application is provided is described in detail.
Fig. 1 is the embodiment flow chart of method for collecting iris of the present invention, specifically includes following steps：
Step 101, the distance for measuring user and equipment with infrared distance measurement module in real time, point out user to adjust to can photograph
The scope of clear iris image；
Step 102, image acquisition is carried out continuously with USB cameras, obtain user images sequence；
Step 103, the user images sequence is scanned for；
Step 31, in most long search time tsmInterior, whether judge in the user images sequence comprising iris image, work as institute
State in user images sequence include an at least width iris image when, enter step 104；
Step 32, search time limit tsInterior, when not including iris image in the user images sequence, point out user to watch attentively
Mark, and return to step 101；
Step 104, quality evaluation is carried out to the iris image；
Step 41, in most long assessment time tamInterior, the quality of the iris image is judged, rainbow at least described in a width
When the result of film image quality evaluation is qualified, step 105 is entered
Step 42, assessment time limit taInterior, when being unqualified to the result of iris image quality assessment several described, point
Analyse the iris image；
Step 421 is if it is confirmed that be motion blur, then prompting user watches mark, return to step 102 attentively；
Step 422 if it is confirmed that be defocus blur, then return to step 101；
Step 105, generated according to the iris image and iris templates data be stored in data base.
Fig. 2 is embodiment flow chart iris image scanned in the inventive method, comprises the following steps that：
Step 201, infrared distance measurement module real time distance, point out adjustment position before and after user；
Step 202, camera carry out image acquisition；
Step 203, user images are scanned for；
Step 204, the most long search time t of judgementsmWhether arrive, if yes then enter step 205, otherwise enter step
206；
Step 205, voice message collection failure；
Step 206, judgement search time limit tsWhether arrive, if yes then enter step 207, otherwise enter step 208；
Step 207, voice message user watch mark attentively, enter step 201；
Step 208, judge whether there is iris image in user images, if yes then enter step 301, otherwise enter step
202.
Fig. 3 is the embodiment flow chart for carrying out quality evaluation in the inventive method to iris image, specifically includes following step
Suddenly：
Step 301, quality evaluation is carried out to iris image；
Step 302, the most long assessment time t of judgementamWhether arrive, if yes then enter step 303, otherwise enter step
304；
Step 303, voice message collection failure；
Step 304, judgement assessment time limit taWhether arrive, if yes then enter step 305, otherwise enter step 306；
Step 305, analysis quality assessment result, if assessment result is motion blur, voice message user watches mark attentively,
Enter step 202；If assessment result is defocus blur, step 201 is entered；
Step 306, judge whether iris image quality is qualified, if it is terminates, otherwise enter step 202.
Embodiment as Figure 2-3, as the scheme that the inventive method further optimizes, in most long search time tsmInterior institute
State in user images sequence do not include iris image when, quit work.In most long assessment time tamThe interior iris image quality
When the result of assessment is unqualified, quit work.
Used as the embodiment that the inventive method further optimizes, system arranges two groups of image acquisition threads, iris scounting lines
Journey and image quality measure thread, are each responsible for the collecting work of left/right eye, and two groups of thread parallels work independently.To user's
Left eye and right eye implement each step of embodiment described in Fig. 1-3 respectively；Comprising left eye and/or right eye in the iris image
Image；Data of the iris templates packet containing left eye and/or right eye.
As the embodiment that the inventive method further optimizes, further comprising the steps of：With asymmetric encryption techniques to institute
State iris templates data to be encrypted；The iris-encoding after encryption is preserved in the data base.Iris image acquiring success is backward
Before preserving in data base, iris templates are encrypted using asymmetric encryption techniques, it is ensured that the safety of sensitive information；So
Software itself and iris information can be protected.As the most preferred embodiment of the inventive method, the iris in iris database
The ciphertext being encoded to after being encrypted to iris templates data using public key；Recognize client before being identified mating first using certainly
The iris-encoding of the private key pair encryption of oneself keeping is decrypted；Public key is irregularly changed by manager, it is ensured that sensitive information
Safety.
As the embodiment that the inventive method further optimizes, implement the step in normal light respectively according to high light conditions
Suddenly；Image comprising normal light photograph and/or high light conditions in the iris image；The iris templates packet contains normal light
According to and/or high light conditions data.
Used as the embodiment that the present invention further optimizes, the method for the prompting user, including following at least one mode：
Voice, word, display lamp, Real-time image display.
As the embodiment that the present invention further optimizes, can also comprise the steps of：Enter with specified computer hardware
Row binding.
Fig. 4 is a kind of embodiment of iris capturing system of the present invention.The system includes that image capture module 11, iris is searched
Rope module 12, image quality evaluation module 13, apart from monitoring modular 14, user mutual control module 15；Described image gathers mould
Block 11, carries out image acquisition for controlling USB cameras 111, obtains user images sequence；The iris search module 12, is used for
Scan in the user images sequence, obtain iris image；Described image quality assessment modules 13, for the rainbow
Film image carries out quality evaluation, judges whether the iris image is qualified, including motion blur detection, defocus blur detection and rainbow
Film degree of blocking is detected；Described apart from monitoring modular 14, for testing the distance between user and equipment, and judge that the distance is big
In, less than or scope in clear iris image can be photographed；The user mutual control module 15 is used for showing institute in real time
State user images, iris image, send information.
Used as the embodiment that present system further optimizes, the USB cameras 111 are two, are respectively used to described
The left eye and right eye of user carries out image acquisition, and such as pixel is 640 × 480.
As the embodiment that the present invention further optimizes, comprising an at least infrared distance measurement module 141 in the system, it is used for
Infrared light, and the reflection of receive user body is sent, is therefore produced and is represented distance between user and the infrared distance measurement module
Signal.
As the embodiment that the present invention further optimizes, comprising task control and memory management module 16 in the system,
The task control and memory management module 16 in apparatus of the present invention running, using advanced .net multithreadings task simultaneously
Line algorithm and EMS memory management process, effectively lift the speed of service and internal memory service efficiency, and the speed of service is fast, and committed memory is little, is
System stable performance.
Special instruction, the user mutual control module 15 in present system are provided with voice, display lamp, word, reality
When picture multiple Man Machine Interfaces such as show, Consumer's Experience friendliness is high.
System is respectively directed to usual registration crowd and special registration crowd sets automatically and manually two kinds of process modes.Wherein,
Automatic mode can pass through real-time monitoring user and guide user to suitable pickup area and automatic with the relative position of collecting device
Select up-to-standard iris image, it is adaptable to account for most of general population；Manual mode need to artificially judge and adopt manually
The up-to-standard iris image of collection, it is adaptable to which some due to coordinating alignment collection with the objective circumstances such as ophthalmic or deformity
Equipment, can be used as the supplement of automatic mode so as to use automatic mode successful acquisition to the special population of iris image.
System is also respectively directed to normal light and is provided with two kinds of scenes of indoor and outdoors according to identification scene and intense light irradiation identification scene
Pattern, corresponds to different hardware states respectively.If registration crowd only indoors normal light according to being identified under scene, it is proposed that choosing
Selecting indoor scene pattern carries out iris capturing registration；If registration crowd need to be identified under outdoor intense light irradiation scene,
Then advise that respectively indoors/outdoor two kinds of scene modes carry out iris capturing registration twice, to reaching more preferable recognition effect.
Additionally, though the system is binocular iris capturing system, in view of being likely to occur, " it is unilateral that user's subjectivity merely desires to collection
The special circumstances such as eye image " or " side eye image is completed to gather as odjective cause cannot coordinate ", registration principle design
As follows：In the most long acquisition time of regulation, both sides iris image gathers failure, then be considered as this collection failure, it is impossible to enter
The follow-up iris information of row preserves registration；As long as there is side iris image acquiring success, then it is considered as this and gathers successfully, that is, allow
Carry out follow-up iris information and preserve registration.
In the system of the present invention, for reduces cost, the image capture device for using is the generic USB phase of fixed focal length
Machine, the depth of field are less.When user binocular is beyond field depth, it may appear that image defocus blur problem.Meanwhile, user
When moving under display lamp or voice guide, it may appear that image motion fuzzy problem.Additionally, user is in gatherer process
During blink, the occlusion issue of iris image can be caused.When the problems referred to above occur, the iris image for being collected is unable to reach note
Volume prescription.Therefore, even if infrared distance measurement module display distance is suitable, defocus blur, motion blur and degree of blocking are sentenced
Disconnected also essential.The image of defocus blur, motion blur and iris region serious shielding is effectively screened out from sequence image,
The quick, intelligent collection of system could be realized.
When the method that this specification Fig. 1-3 represents embodiment, for the system of embodiment described in this specification Fig. 4, work
Process is exemplified below (as shown in Figure 5)：
Step 401, system initialization.
Step 402, open apart from monitoring modular 14,141 real-time monitoring user of infrared distance measurement module and collecting device away from
From and by signal Real-time Feedback to system, described apart from monitoring modular judge the distance be more than, less than or in can photograph
The scope of clear iris image, then the user mutual control module 15 send information, instruct user to adjust forward or backward
The scope of clear iris image can extremely be photographed.
Step 403, image capture module 11 are opened, and image device 111 enters shooting state, obtain user images.Image
Device is respectively cooperating with one group of infrared light supply by two common USB cameras and constitutes.
Step 404, iris search module 12 are opened, the user images sequence arrived by camera captured in real-time in step 403 according to
Secondary scan for.If in search time limit tsInterior search is less than iris image, it may be possible to as user's head deflection causes eyes not
Alignment cameras, watch mark attentively by 15 voice message user of the user mutual control module and (described are just designated positioned at camera
The mirror in front)；Separate regression steps 402, the distance letter for receiving the feedback of the infrared distance measurement module 141 apart from monitoring modular 14
Number, user distance is analyzed, and is moved forward or rearward by 15 voice message user of the user mutual control module.Image is adopted
Collection module control image device is shot；If the most long search time t of regulationsmExhaustsm>
ts), camera stops shooting, 15 voice message user of the user mutual control module this collection failure, and system enters again
Enter initial init state.
After iris image is searched in step 405, step 404, image quality evaluation module 13 is opened at once, to step
The iris image selected in 404 carries out quality evaluation, selects up-to-standard iris image.If in assessment time limit taInterior
Prescription is unsatisfactory for several iris images after being estimated, further analysis judges, if due to user's movement
Too fast cause motion blur, voice message user is sent by the user mutual control module 15 and watches mark, separate regression steps attentively
403 continue to shoot；If as user distance collecting device is too remote or closely causes very much defocus blur, separate regression steps 402 are described
Apart from the distance signal that monitoring modular 14 receives the feedback of the infrared distance measurement module 141, user distance is analyzed, by the user
Interactive controlling module 15 prompting user be moved forward or rearward；If the most long assessment time t of regulationamExhaust
Iris image (the t of latticeam>ta), camera stops shooting, by 15 voice message user of the user mutual control module this
Collection failure, system reenter initial init state.If selected in the most long acquisition time of regulation counting enough
The eyes image of amount, camera stop shooting, and this collection is successfully completed.
Step 406, the user mutual control module 15 are " left by voice and interface text prompt user by collection result
Eye image acquisition success ", " eye image is gathered successfully " or " binocular image is gathered successfully ".
Step 407, the task control and memory management module 16 generate iris templates data according to the iris image,
Iris-encoding is generated after encryption, data base is stored in.
Step 408, system reset, return to step 401.
The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
Journey and/or the combination of square frame and flow chart and/or the flow process in block diagram and/or square frame.These computer programs can be provided
Instruct the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is executed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction executed on other programmable devices is provided for realization in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium
Example.
Computer-readable medium includes that permanent and non-permanent, removable and non-removable media can be by any method
Or technology is realizing information Store.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus
Or any other non-transmission medium, can be used to store the information that can be accessed by a computing device.Define according to herein, calculate
Machine computer-readable recording medium does not include temporary computer readable media (transitory media), the such as data signal of modulation and carrier wave.
Also, it should be noted term " including ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that a series of process, method, commodity or equipment including key elements not only includes those key elements, but also wrapping
Other key elements being not expressly set out are included, or also includes intrinsic for this process, method, commodity or equipment wanting
Element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including described wanting
Also there is other identical element in the process of element, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program.
Therefore, the application can adopt complete hardware embodiment, complete software embodiment or with reference to software and hardware in terms of embodiment
Form.And, the application can be adopted to can use in one or more computers for wherein including computer usable program code and be deposited
The shape of the upper computer program that implements of storage media (including but not limited to disk memory, CD-ROM, optical memory etc.)
Formula.
Embodiments herein is the foregoing is only, the application is not limited to.For those skilled in the art
For, the application can have various modifications and variations.All any modifications that is made within spirit herein and principle, equivalent
Replace, improve etc., within the scope of should be included in claims hereof.
Claims (10)
1. a kind of method for collecting iris, it is characterised in that comprise the following steps：
The distance that user and equipment are measured in real time with infrared distance measurement module, points out user to adjust to can photograph clear iris image
Scope；
Image acquisition is carried out continuously with USB cameras, user images sequence is obtained；The user images sequence is scanned for；
When iris image is not included in the user images sequence, user is pointed out to watch mark attentively；Real-time with infrared distance measurement module
Measurement user and the distance of equipment, point out adjustment and the distance of equipment before and after user, carry out image acquisition again；
When an at least width iris image is included in the user images sequence, quality evaluation is carried out to the iris image；
When being unqualified to the result of iris image quality assessment several described, the iris image is analyzed；If it is confirmed that being
Motion blur, then point out user to watch mark attentively, carry out image acquisition again；If it is confirmed that being defocus blur, then use infrared distance measurement
Module measures the distance of user and equipment in real time, points out adjustment and the distance of equipment before and after user, carries out image acquisition again；
When the result of iris image quality assessment is qualified at least described in a width, iris templates number is generated according to the iris image
According to and be stored in data base.
2. method for collecting iris as claimed in claim 1, it is characterised in that further comprising the steps of
The iris templates data are encrypted with asymmetric encryption techniques；
The coding after encryption is preserved in the data base.
3. method for collecting iris as claimed in claim 1, it is characterised in that the step is implemented respectively to the left eye and right eye of user
Suddenly；Image comprising left eye and/or right eye in the iris image；The iris templates packet is containing left eye and/or right eye
Data.
4. method for collecting iris as claimed in claim 1, it is characterised in that normal light according to and high light conditions implement institute respectively
State step；Image comprising normal light photograph and/or high light conditions in the iris image；The iris templates packet is containing general
Thang-kng photograph and/or the data of high light conditions.
5. method for collecting iris as described in claim 1-4 any one, it is characterised in that
When not including iris image in the user images sequence in most long search time, quit work.
6. method for collecting iris as described in claim 1-4 any one, it is characterised in that
When the result of the iris image quality assessment is unqualified within the most long assessment time, quit work.
7. method for collecting iris as described in claim 1-4 any one, it is characterised in that the method for the prompting user, bag
Include following at least one mode：Voice, word, display lamp, Real-time image display.
8. method for collecting iris as described in claim 1-4 any one, it is characterised in that also comprise the steps of：With specify
Computer hardware bound.
9. a kind of iris capturing system, it is characterised in that including image capture module, iris search module, image quality measure
Module, apart from monitoring modular, user mutual control module；
Described image acquisition module, carries out image acquisition for controlling USB cameras, obtains user images sequence；
The iris search module, for scanning in the user images sequence, obtains iris image；
Whether described image quality assessment modules, for carrying out quality evaluation to the iris image, judge the iris image
Qualified, including motion blur detection, defocus blur detection and degree of blocking detection；
Described apart from monitoring modular, for testing the distance between user and equipment, and judge the distance be more than, less than or locate
In the scope that can photograph clear iris image；
The user mutual control module is used for showing the user images, iris image in real time, sending information.
10. a kind of iris capturing system, it is characterised in that the USB cameras are two, are respectively used to the left eye to the user
Image acquisition is carried out with right eye.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107220636A (en) * | 2017-06-30 | 2017-09-29 | 广东欧珀移动通信有限公司 | Control method, electronic installation and computer-readable recording medium |
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| CN107341380A (en) * | 2017-06-19 | 2017-11-10 | 广东欧珀移动通信有限公司 | Control method, electronic installation and computer-readable recording medium |
| CN107220636A (en) * | 2017-06-30 | 2017-09-29 | 广东欧珀移动通信有限公司 | Control method, electronic installation and computer-readable recording medium |
| CN107479809A (en) * | 2017-07-14 | 2017-12-15 | 广东欧珀移动通信有限公司 | Based reminding method and Related product |
| CN109815771A (en) * | 2017-11-20 | 2019-05-28 | 上海聚虹光电科技有限公司 | The iris register method that non-cooperating automatically updates |
| CN108363940A (en) * | 2017-12-07 | 2018-08-03 | 上海点与面智能科技有限公司 | One kind being applied to iris capturing mould ranging control method and device in the block |
| CN109214364A (en) * | 2018-10-24 | 2019-01-15 | 广州市真地信息技术有限公司 | A kind of iris identification method, system, device and storage medium |
| CN110334579A (en) * | 2019-05-06 | 2019-10-15 | 北京七鑫易维信息技术有限公司 | A kind of iris recognition image determines method, apparatus, terminal device and storage medium |
| CN110334579B (en) * | 2019-05-06 | 2021-08-03 | 北京七鑫易维信息技术有限公司 | Iris recognition image determining method and device, terminal equipment and storage medium |
| CN110889356A (en) * | 2019-11-19 | 2020-03-17 | 广州恒龙信息技术有限公司 | Method and device for unlocking AR glasses based on infrared camera and AR glasses |
| CN111160196A (en) * | 2019-12-23 | 2020-05-15 | 武汉虹识技术有限公司 | Iris recognition auxiliary positioning method and device for mobile terminal |
| CN111241030A (en) * | 2020-01-05 | 2020-06-05 | 何金荣 | Iris information processing method, device and storage medium |
| CN113536863A (en) * | 2020-04-22 | 2021-10-22 | 上海聚虹光电科技有限公司 | Spectral band selection method for self-adaptive iris gray scale |
| CN112200105A (en) * | 2020-10-15 | 2021-01-08 | 厦门瑞为信息技术有限公司 | Method and device for assisting in acquiring and registering iris information by using face identity information |
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