CN105279490A - Man-machine interaction type iris image automatic acquisition apparatus - Google Patents
Man-machine interaction type iris image automatic acquisition apparatus Download PDFInfo
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- CN105279490A CN105279490A CN201510688321.XA CN201510688321A CN105279490A CN 105279490 A CN105279490 A CN 105279490A CN 201510688321 A CN201510688321 A CN 201510688321A CN 105279490 A CN105279490 A CN 105279490A
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- G—PHYSICS
- 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
- G06V40/19—Sensors therefor
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Abstract
The invention discloses a man-machine interaction type iris image automatic acquisition apparatus. The apparatus comprises: a human face image acquisition unit arranged in a housing and used for acquiring a human face image; a distance measurement unit arranged in the housing and used for measuring the distance between the face of a user and the human face image acquisition unit, and generating distance information; a data processing unit arranged in the housing and used for generating a first man-machine interaction instruction according to the human face image, generating a second man-machine interaction instruction according to the distance information or generating a pitching control instruction and an illumination control instruction according to the distance information, and generating a third man-machine interaction instruction according to an iris image; an iris image acquisition unit arranged in the housing and used for acquiring the iris image; an illumination unit arranged in the housing and used for illuminating an iris image acquisition region; a man-machine interaction unit arranged in the housing and used for sending out different position prompts according to different man-machine interaction instructions; and a pitching unit arranged outside the housing, connected with the housing and used for driving the housing to adjust a pitching angle. According to the technical scheme provided by the invention, acquired eye region information is effectively fed back to the user in time during an acquisition process, so that the user experience is improved.
Description
Technical field
The present invention relates to biometrics identification technology field.More specifically, a kind of man-machine interactive iris image automatic collecting device is related to.
Background technology
Iris recognition technology has the significant advantages such as accuracy is high, security good, recognition speed is fast in field of biological recognition.In iris authentication system, the collection of iris image is the link foremost of whole system, is also the important step that difficulty is larger.
In current iris image acquiring device, the shell of a conventional tubular determines the eye position of user, when user is adjacent to shell, and the iris of inner image-forming module shooting user.This harvester need user each all with this device active exposure, the cooperation significantly of needs, and numerous user uses during a table apparatus simultaneously and can bring health concerns.
And non-contacting iris identification device, before usually using a slice cold mirror to be placed in camera lens, when user can see the eyes of oneself in cold mirror, think iris region just to camera lens.But because everyone right and left eyes eyesight may be different, visual field size may be different, and when causing gap large user in the right and left eyes visual field to feel to have targeted by cold mirror, physical location but departs from the situation of camera lens.
Therefore, need to provide a kind of man-machine interactive iris image automatic collecting device.
Summary of the invention
One object of the present invention is to provide a kind of man-machine interactive iris image automatic collecting device, adopt non-contacting harvester, and to the eye areas information that the real-time feedback collection effectively of user arrives in gatherer process, reduce health concerns, reduce the cooperation difficulty of user, promote the experience of user.
For achieving the above object, the present invention adopts following technical proposals:
A kind of man-machine interactive iris image automatic collecting device, this device comprises: be arranged at the man face image acquiring unit in shell, range cells, data processor, iris image acquiring unit, lighting unit, man-machine interaction unit and be arranged at the outer and pitching unit be connected with shell of shell;
Man face image acquiring unit, gathers facial image;
Range cells, measure user face to man face image acquiring unit distance and generate range information;
Data processing unit, according to the man-machine interactive instruction of Face image synthesis first, generates the second man-machine interaction instruction according to range information or generates pitch control subsystem instruction and Lighting control instruction according to range information;
Iris image acquiring unit, gathers iris image;
Lighting unit is the image acquisition region illumination of iris image acquiring unit according to Lighting control instruction;
Data processing unit also generates the 3rd man-machine interaction instruction according to iris image;
Man-machine interaction unit, the position indicating aligning man face image acquiring unit is sent according to the first man-machine interactive instruction, according to the second man-machine interaction instruction send near or away from the position indicating of man face image acquiring unit, send according to the 3rd man-machine interaction instruction the position indicating moved left and right;
Pitching unit, drives shell adjustment luffing angle according to pitch control subsystem instruction.
Preferably, range cells is ultrasonic rangefinder or airborne laser range finder.
Preferably, iris image acquiring unit comprises: coaxial infrared light optical filter, zoom lens and the Infrared image sensors arranged.
Preferably, lighting unit comprises: infrared light supply and light source drive, and infrared light supply is multiple light emitting diode composition, and light source drive provides corresponding output current with the light making infrared light supply send suitable intensity according to Lighting control instruction.
Preferably, man-machine interaction unit comprises: LCDs and voice module, LCDs shows the position indicating of corresponding word or image format according to different man-machine interaction instructions, and voice module sends the position indicating of corresponding speech form according to different man-machine interaction instructions.
Preferably, data processor comprises data processor and interface module, and interface module is one or combination in any of following kind of interface: USB interface, cable interface, serial ports.
Preferably, pitching unit comprises: motor and luffing mechanism, and motor is stepper motor, and motor controls luffing mechanism according to pitch control subsystem instruction and drives shell adjustment luffing angle.
Beneficial effect of the present invention is as follows:
1. adopt visible light image sensor and processor module locating human face, thus control driven by motor pitching module adjustment luffing angle to adapt to the height of user, do not need user too much to coordinate.
2. adopt LCDs to provide signal language, or in real time the eye image that photographs of display Infrared image sensors realize position residing for oneself eye the man-machine interaction on picture, is convenient to user and adjusts position alignment mirror head user can be learnt easily.
3. adopt range finder module and processor module to judge the distance of user and this device, then by voice module, user pointed out, realize man-machine interaction acoustically, be convenient to user adjust position enter into identifiable design apart from.
4. adopt zoom lens and Infrared image sensors shooting client iris, compared with adopting the device of tight shot, there is larger recognizable set.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 illustrates the structured flowchart of man-machine interactive iris image automatic collecting device.
Fig. 2 illustrates the schematic diagram of the man-machine interaction panel of man-machine interactive iris image automatic collecting device.
Fig. 3 illustrates the cut-away view of man-machine interactive iris image automatic collecting device.
Fig. 4 illustrates the workflow diagram of man-machine interactive iris image automatic collecting device.
Embodiment
In order to be illustrated more clearly in the present invention, below in conjunction with preferred embodiments and drawings, the present invention is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive, should not limit the scope of the invention with this below.
As shown in Figure 1, the man-machine interactive iris image automatic collecting device that the present embodiment provides, comprising: be arranged at the man face image acquiring unit 2 in shell 1, range cells 3, data processor 4, iris image acquiring unit 5, lighting unit 6, man-machine interaction unit 7 and be arranged at the outer and pitching unit 8 be connected with shell 1 of shell 1;
Man face image acquiring unit 2, gathers facial image;
Range cells 3, measure user face to man face image acquiring unit 2 distance and generate range information;
Data processing unit 4, according to the man-machine interactive instruction of Face image synthesis first, generates the second man-machine interaction instruction according to range information or generates pitch control subsystem instruction and Lighting control instruction according to range information;
Iris image acquiring unit 5, gathers iris image;
Lighting unit 6 is the image acquisition region illumination of iris image acquiring unit 5 according to Lighting control instruction;
Data processing unit 4 also generates the 3rd man-machine interaction instruction according to iris image;
Man-machine interaction unit 7, the position indicating aligning man face image acquiring unit 2 is sent according to the first man-machine interactive instruction, according to the second man-machine interaction instruction send near or away from the position indicating of man face image acquiring unit 2, send according to the 3rd man-machine interaction instruction the position indicating moved left and right;
Pitching unit 8, drives shell 1 to adjust luffing angle according to pitch control subsystem instruction.
Wherein,
Man face image acquiring unit 2 comprises: the wide-angle lens 9 of coaxial setting and visible light image sensor 10, the focal length of wide-angle lens 9 is within the scope of 8-12mm, and visible light image sensor 10 is CCD or cmos image sensor.The start and stop of visible light image sensor 10 are subject to the control of data processing unit 4, and the facial image collected is sent to data processing unit 4, data processing unit 4 is by existing Face detection algorithm determination face location, thus control pitching unit 8 drives all functions unit in shell 1 and shell 1 to adjust luffing angle to adapt to the height of user.
Range cells 3 is ultrasonic distance measuring module or laser ranging module.The start and stop of range cells 3 are subject to the control of data processing unit 4, and range information is sent to data processing unit 4, and data processing unit 4 can judge the distance of user and man face image acquiring unit 2 by range information.
Iris image acquiring unit 5 comprises: coaxial infrared light optical filter 11, zoom lens 12 and the Infrared image sensors 13 arranged, infrared light optical filter 11 is the optical filter only allowing infrared light to pass through, the zooming range of zoom lens 12 is 22-50mm, Infrared image sensors 13 is for CCD or cmos image sensor and its pixel count is at least 5,000,000, infrared light image sensing 13 by data processing unit 4 control and the iris image photographed is sent to data processing unit 4.
Lighting unit 5 comprises: infrared light supply 14 and light source drive 15, infrared light supply 14 is multiple light emitting diodes (LED) composition of peak wavelength 850-940nm, light source drive 15 under the control of data processing unit 4, according to Lighting control instruction provide corresponding output current with make infrared light supply 14 send for measure user face to man face image acquiring unit 2 distance for the light of suitable intensity.
Man-machine interaction unit 7 comprises: LCDs 16 and voice module 17, and LCDs 16 is not less than two pieces of symmetrical compositions of screen of 640 × 480 pixels for resolution.LCDs 16 is under the control of data processing unit 4, namely the position indicating to user of corresponding word or image format is shown according to different man-machine interaction instructions, comprise eye image that in real time display Infrared image sensors photographs to enable user learn position (position indicating namely moved left and right, user carries out the position residing for eyes moving to left or move to right to align Infrared image sensors 13) residing for oneself eye.Voice module 17, under the control of data processing unit 4, namely according to different man-machine interaction instructions, sends the position indicating (signal language) of corresponding speech form.
Data processor 4 comprises data processor, the data such as various image (facial image, iris image), information (range information) are processed, computing to be to generate various instruction (the first man-machine interactive instruction, the second man-machine interaction instruction, pitch control subsystem instruction, Lighting control instruction) respectively, data processor 4 is also optional comprises interface module 18, interface module is one or combination in any of following kind of interface: USB interface, cable interface, serial ports.Data in data processor 4 are transferred to external equipment by interface module 18.
Pitching unit 8 comprises: motor 19 and luffing mechanism 20, motor 19 is stepper motor, under the control of data processing unit 4, controlling luffing mechanism 20 according to pitch control subsystem instruction drives all functions unit in shell 1 and shell 1 to adjust luffing angle, luffing mechanism 20 can drive all functions unit in shell 1 and shell 1 to move between horizontal direction angle-45 ° is to 45 °, to adapt to the user of different height.
Substitute into concrete applied environment to be below described further the man-machine interactive iris image automatic collecting device that the present embodiment provides.
As shown in Figure 2, Fig. 2 is the schematic diagram of man-machine interactive panel, be positioned at man-machine interactive iris image automatic collecting device that the present embodiment provides in the face of user side to side, infrared light optical filter 11, zoom lens 12 and Infrared image sensors 13 are positioned at the center of man-machine interaction panel, and in the middle of the two pieces of screens being in two pieces of LCDs 16.LCDs 16 in real time display Infrared image sensors 13 take image time image can be divided right and left display, thus make user be easy to judge whether eyes are in just to Infrared image sensors 13.Infrared light supply 14 is light emitting diode (LED) composition of 40 peak wavelength 850nm, around LCDs distribution, when human eye just can realize uniform illumination to iris region to during Infrared image sensors 13.Range cells 3 is positioned at immediately below infrared light optical filter 11, is convenient to the distance measuring user's head and man face image acquiring unit 2.Wide-angle lens 9 and visible light image sensor 10 are positioned at immediately below range cells 3, can photograph very large field angle thus be convenient to data processing unit 4 to determine face location.Voice module 17 is two loudspeaker, lays respectively at the left and right of wide-angle lens 9 and visible light image sensor 10.
As shown in Figure 3, infrared light optical filter 11, zoom lens 12 and Infrared image sensors 13 be centrally located on same straight line, vertical with man-machine interaction panel.Wide-angle lens 9 and visible light image sensor 10 be centrally located on same straight line, vertical with man-machine interaction panel.Data processing unit 4 is positioned at the inside center of shell 1.Light source drive 15 is positioned at infrared light supply 14 rear, and is positioned at above data processing unit 4.Motor 19 is positioned in the middle of the outer surface rear end of shell 1, is electrically connected with luffing mechanism 20, luffing mechanism 20 can with space outerpace object (as wall) connection.
As shown in Figure 4, the workflow of this device is as follows: first carry out initialization to this device when starting to gather, then user is provided to the position indicating aligning man face image acquiring unit 2---voice message 1 " please just to this instrument ", meanwhile, the text prompt language that LCDs 16 shows and voice message is corresponding.Next step visible light image sensor 13 starts to gather image, and image is sent to data processing unit 4 and carries out Face detection analysis, if can not find face, returns previous step and continues to provide the position indicating aligning man face image acquiring unit 2; If find face, start luffing mechanism 20 according to face location control motor 19 and drive all functions unit in shell 1 and shell to aim at face.Next step range cells 3 measures the distance of user and man face image acquiring unit 2, range information is sent to data processing unit 4, data processing unit 4 judges that the distance of user is whether in identifiable design distance 20-50cm, if not in identifiable design distance, voice message that the too near user that then adjusts the distance provides position indicating---voice message 2 " please away from some " or the user too far away that adjusts the distance provide position indicating---2 " please be close ", simultaneously, the text prompt language that LCDs 16 shows and voice message is corresponding, and return the distance that previous step measures user and man face image acquiring unit 2, if in identifiable design distance, then data processing unit 4 controls zoom lens 12 according to this range information and adjusts to applicable focal length.Next step Infrared image sensors 13 starts to gather image and is sent to data processing unit 4, and data processing unit 4 controls LCDs 16 to show the picture collected, and judges whether to photograph eyes according to the algorithm of existing location eyes.If do not find eyes, then user being provided to the position indicating moving to left or move to right---" please move left and right position makes eyes appear at display screen " center ", and returns previous step Infrared image sensors 13 continuation collection image in voice message 3; If find eyes, data processing unit 4 extracts iris image in this image.Next step judges that whether iris image quality is qualified, if defective, returns zoom lens 13 zoom steps, to improve picture quality; If qualified, iris image is transferred to iris authentication system by data processing unit 4 control interface module 18, also provides voice message 4 " iris image acquiring success " by voice module 17 simultaneously.So far, workflow terminates.
Obviously; the above embodiment of the present invention is only for example of the present invention is clearly described; and be not the restriction to embodiments of the present invention; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all embodiments, every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (7)
1. a man-machine interactive iris image automatic collecting device, it is characterized in that, this device comprises: be arranged at the man face image acquiring unit in shell, range cells, data processor, iris image acquiring unit, lighting unit, man-machine interaction unit and be arranged at the outer and pitching unit be connected with shell of shell;
Man face image acquiring unit, gathers facial image;
Range cells, measure user face to man face image acquiring unit distance and generate range information;
Data processing unit, according to the man-machine interactive instruction of Face image synthesis first, generates the second man-machine interaction instruction according to range information or generates pitch control subsystem instruction and Lighting control instruction according to range information;
Iris image acquiring unit, gathers iris image;
Lighting unit is the image acquisition region illumination of iris image acquiring unit according to Lighting control instruction;
Data processing unit also generates the 3rd man-machine interaction instruction according to iris image;
Man-machine interaction unit, the position indicating aligning man face image acquiring unit is sent according to the first man-machine interactive instruction, according to the second man-machine interaction instruction send near or away from the position indicating of man face image acquiring unit, send according to the 3rd man-machine interaction instruction the position indicating moved left and right;
Pitching unit, drives shell adjustment luffing angle according to pitch control subsystem instruction.
2. man-machine interactive iris image automatic collecting device according to claim 1, is characterized in that, described range cells is ultrasonic rangefinder or airborne laser range finder.
3. man-machine interactive iris image automatic collecting device according to claim 1, is characterized in that, described iris image acquiring unit comprises: coaxial infrared light optical filter, zoom lens and the Infrared image sensors arranged.
4. man-machine interactive iris image automatic collecting device according to claim 1, it is characterized in that, described lighting unit comprises: infrared light supply and light source drive, described infrared light supply is multiple light emitting diode composition, and described light source drive provides corresponding output current with the light making infrared light supply send suitable intensity according to Lighting control instruction.
5. man-machine interactive iris image automatic collecting device according to claim 1, it is characterized in that, described man-machine interaction unit comprises: LCDs and voice module, described LCDs shows the position indicating of corresponding word or image format according to different man-machine interaction instructions, and described voice module sends the position indicating of corresponding speech form according to different man-machine interaction instructions.
6. man-machine interactive iris image automatic collecting device according to claim 1, it is characterized in that, described data processor comprises data processor and interface module, and described interface module is one or combination in any of following kind of interface: USB interface, cable interface, serial ports.
7. man-machine interactive iris image automatic collecting device according to claim 1, it is characterized in that, described pitching unit comprises: motor and luffing mechanism, and described motor is stepper motor, and described motor controls luffing mechanism according to pitch control subsystem instruction and drives shell adjustment luffing angle.
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| CN106022275A (en) * | 2016-05-26 | 2016-10-12 | 青岛海信移动通信技术股份有限公司 | Iris recognition method and apparatus, and mobile terminal |
| CN106295455A (en) * | 2016-08-09 | 2017-01-04 | 苏州佳世达电通有限公司 | Bar code indicating means and bar code reader |
| CN106339671A (en) * | 2016-08-16 | 2017-01-18 | 南京安穗智能科技有限公司 | Iris recognition device based on mobile image acquisition equipment |
| CN106503621A (en) * | 2016-09-26 | 2017-03-15 | 北京无线电计量测试研究所 | A kind of method for collecting iris and system |
| CN107463877A (en) * | 2017-07-05 | 2017-12-12 | 广东欧珀移动通信有限公司 | Method for collecting iris, electronic installation and computer-readable recording medium |
| WO2018157827A1 (en) * | 2017-03-01 | 2018-09-07 | 武汉虹识技术有限公司 | Dynamic human eye-tracking iris capturing device, dynamic human eye-tracking iris identification device and method |
| CN108764025A (en) * | 2018-04-11 | 2018-11-06 | 江苏安威士智能安防有限公司 | Iris capturing system and method |
| CN108919956A (en) * | 2018-07-10 | 2018-11-30 | 南方科技大学 | A kind of human-computer interaction display panel and human-computer interaction display device |
| CN109670298A (en) * | 2019-01-30 | 2019-04-23 | 咪付（广西）网络技术有限公司 | A kind of register method and system for identification |
| CN110532858A (en) * | 2019-07-16 | 2019-12-03 | 武汉虹识技术有限公司 | Miniature binocular iris identification device |
| CN111447430A (en) * | 2019-11-21 | 2020-07-24 | 苏州思源科安信息技术有限公司 | Device and method for long-distance large-field iris optical imaging |
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| CN109670298A (en) * | 2019-01-30 | 2019-04-23 | 咪付（广西）网络技术有限公司 | A kind of register method and system for identification |
| CN110532858A (en) * | 2019-07-16 | 2019-12-03 | 武汉虹识技术有限公司 | Miniature binocular iris identification device |
| CN111447430A (en) * | 2019-11-21 | 2020-07-24 | 苏州思源科安信息技术有限公司 | Device and method for long-distance large-field iris optical imaging |
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