CN109451233A - A kind of device acquiring fine definition face-image - Google Patents
A kind of device acquiring fine definition face-image Download PDFInfo
- Publication number
- CN109451233A CN109451233A CN201811212252.5A CN201811212252A CN109451233A CN 109451233 A CN109451233 A CN 109451233A CN 201811212252 A CN201811212252 A CN 201811212252A CN 109451233 A CN109451233 A CN 109451233A
- Authority
- CN
- China
- Prior art keywords
- face
- optical unit
- image
- iris
- smart camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Image Input (AREA)
Abstract
The invention discloses a kind of devices for acquiring fine definition face-image, face optical unit and iris optical unit are set inside the first smart camera, face-image and iris image high-definition can be collected, the ease for use and accuracy of living things feature recognition are improved；And algoritic module is arranged in the first smart camera, strengthens the processing capacity of front end, reduces the bandwidth requirement of data transmission；System architecture is flexible, can according to need and increases optical unit and smart camera unit.
Description
Technical field
The present invention relates to physical characteristics collectings to identify field, is specifically related to a kind of dress for acquiring fine definition face-image
It sets.
Background technique
In recent years, various biological identification technologies are used widely in fields such as security protection, banks, and especially face is known
Not, the market share of two kinds of technologies of iris recognition is promoted steadily, has the tendency that pursuing fingerprint identification technology greatly.However face
Identification technology is not used to large-scale database due to accuracy of identification；It is easy-to-use that iris recognition technology is limited by user
Property aspect the problem of, the interactive experience of mainly user is poor, is unable to get large-scale application.
In conjunction with two kinds of facial characteristics of recognition of face and iris recognition, reach the perfect combination of ease for use and safety, to pushing away
Wide contactless biometric identification technology has far-reaching influence.
The optical module visual field that general man face image acquiring uses is larger, and acquisition range is also bigger, but image point
Resolution is lower, and accuracy of identification is relatively low.
The optical module field angle that general iris image acquiring uses is smaller, and acquisition range is small, the magnifying power of image compared with
Greatly, the fine grain information of eye areas can be taken, accuracy of identification is relatively high.
Recognizer is typically all to carry out picture quality judgement using video flowing, if the image of acquisition is the figure of high definition
Picture, then it is relatively high to the bandwidth requirement of information transmission, the computing resource of rear end is required also relatively stringenter.
Summary of the invention
Aiming at the problem that appearing above, the present invention provides a kind of device for acquiring fine definition face-image, can be simultaneously
Facial image and iris image high-definition are acquired, provides basic data for the recognizer of rear end.
Technical solution of the present invention:
A kind of device acquiring fine definition face-image, including the first smart camera, lighting unit, range sensor,
Holder, first smart camera include face optical unit, the first iris optical unit, algoritic module and control module,
It is characterized in that,
The object distance that the range sensor is used to measure user to the first smart camera；
The first iris optical unit carries out auto-focusing according to object distance；
First smart camera, lighting unit are fixed on the holder；
The holder includes at least two motors, and support level direction is rotated to rotate with vertical direction, for adjusting first
The angle of smart camera and lighting unit；
The face optical unit, the first iris optical unit are connect with the first smart camera by MIPI interface respectively；
The algoritic module carries out Face datection to the face-image of acquisition, adjusts holder rotation according to Face datection result
Angle makes face be located at picture centre；
The algoritic module carries out picture quality judgement, the face-image that will be conformed to quality requirements to the face-image of acquisition
Rear end is transferred to be handled；
Control module is arranged in first smart camera, carries out logic control, institute to other peripheral devices that device includes
State peripheral device be can screening device, add according to actual needs, when first smart camera be not able to satisfy identification distance, identification
When angle demand, peripheral device is added.
Preferably, the face optical unit includes the sensor not less than 2M resolution ratio, and FOV is not less than 65 ° of optics
Camera lens, mtf value of the face optical unit in acquisition range are not less than 50%@0.5lp/mm.
Preferably, the first iris optical unit includes the sensor and camera lens not less than 8M resolution ratio, and described first
Mtf value of the iris optical unit in acquisition range is not less than 50%@3lp/mm, and the spatial resolution of pixel is greater than 16pixel/
mm。
Preferably, fixed-focus structure or autofocus motor can be used in the first iris optical unit.
Preferably, the lighting unit includes one or more light emitting components, and the light emitting component mixes a variety of light
Spectrum carries out the adjustment of light intensity and angle according to range information.
Preferably, the light emitting component is set as LED or VCSEL laser lighting module.
Preferably, the range sensor is set as TOF laser range sensor, 3D structure light measurement sensor, infrared
Distance measuring sensor, ultrasonic distance-measuring sensor or laser radar range sensor.
Preferably, the peripheral device includes the second smart camera, and second smart camera includes the second iris optics
Unit is controlled by the control module of first smart camera, with the first smart camera co-ordination, is carried out according to object distance automatic
Focusing.
Preferably, second smart camera is fixed on the holder, is connect with the second iris optical unit by MIPI
Mouth connection.
Preferably, the second iris optical unit includes the sensor and camera lens not less than 8M resolution ratio, and described second
Mtf value of the iris optical unit in acquisition range is not less than 50%@3lp/mm, and the spatial resolution of pixel is greater than 16pixel/
mm。
Preferably, the second iris optical unit uses fixed-focus structure or autofocus motor.
Preferably, the peripheral device can also configure more smart cameras according to practical application scene demand.
Preferably, a method of acquisition fine definition face-image, which is characterized in that
1) face-image is acquired using face optical unit, algoritic module detects the position of face by Face datection algorithm
It sets and size, holder angle is adjusted according to face location, face is adjusted to the center of whole image；
2) object distance selection the first iris optical unit of triggering for being measured according to face size or range sensor or the
Two iris optical units, and focus, while controlling lighting unit light intensity；
3) algoritic module carries out Quality estimation to iris image by Quality estimation algorithm, selects the rainbow to conform to quality requirements
Corresponding face-image is transferred to rear end and carries out image procossing by film image.
Beneficial effects of the present invention: a kind of device for acquiring fine definition face-image of the present invention passes through face optics list
Member captures facial image, while strengthening the processing capacity of the first smart camera, can acquire face-image high-definition, full
The ease for use and accuracy of sufficient bio-identification；The face-image of transmission of high-definition effectively reduces the bandwidth of data transmission
It is required that；Present apparatus framework is more flexible, installs and easy to carry, can according to need and increases optical unit and smart camera list
Member.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 schematically shows the schematic diagram of the device of present invention acquisition fine definition face-image；
Fig. 2 schematically shows the present invention using the stream of acquisition fine definition face-image device acquisition high-resolution face-image
Cheng Tu.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below；Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
Fig. 1 show the schematic diagram of the device of present invention acquisition fine definition face-image, as shown in Figure 1, the present embodiment
The device for acquiring fine definition face-image includes the first smart camera 101, range sensor 103, holder 104, lighting unit
105, face optical unit 106, the first iris optical unit 107, algoritic module (not shown) and control module are (in figure
It does not show)；
The present embodiment further includes the second smart camera 102, second smart camera 102 be can screening device, it is described at that time
When first smart camera is unable to satisfy the demand that identification distance expands, identification angle is widened, the second smart camera 102 is added, the
Two smart cameras 102 match the second iris optical unit 108 accordingly, wherein subordinate of second smart camera 102 as device
Smart camera, according to certain logical AND the first smart camera co-ordination, for needing to extend the range of iris capturing.
The object distance that the range sensor 103 is used to measure user to the first smart camera can be TOF laser ranging biography
Sensor, 3D structure light measurement sensor, infrared distance sensor, ultrasonic distance-measuring sensor or laser radar Distance-sensing
Device.
The first iris optical unit 107, the second iris optical unit 108 carry out auto-focusing according to object distance.
First smart camera 101, the second smart camera 102 and lighting unit 105 are fixed on holder 104, institute
Stating holder 104 includes at least two motors, and support level direction is rotated to rotate with vertical direction, for adjusting the first smart camera
101, the angle of the second smart camera 102 and lighting unit 105.
The lighting unit 105 includes one or more light emitting components, and light emitting component mixes multiple spectrum, Neng Gougen
Light intensity adjustment is carried out according to the range information that range sensor 103 is provided to the first smart camera 101.
The light emitting component LED, VCSEL laser lighting module.
Face is captured in face optical unit 106, the first smart camera 101 acquires user's face figure according to catcher's face
When picture, the device of the present embodiment is by adjusting holder 104, so that face is ultimately at whole image center.
The face optical unit 106, the first iris optical unit 107 pass through MIPI with the first smart camera 101 respectively
Interface connection, the second iris optical unit 108 are connect with the second smart camera 102 by MIPI interface respectively.
The face optical unit 106 includes the sensor not less than 2M resolution ratio, and FOV is not less than 65 ° of optical lens,
Mtf value of the face optical unit in acquisition range is not less than 50%@0.5lp/mm.
The first iris optical unit 107, the second iris optical unit 108 include the sensing not less than 8M resolution ratio
Device and camera lens, the first iris optical unit 107, mtf value of the second iris optical unit 108 in acquisition range be not low
It is greater than 16pixel/mm in the spatial resolution of 50%@3lp/mm, pixel.
The first iris optical unit 107, the second iris optical unit 108 can use fixed-focus structure or auto-focusing
Motor.
First smart camera 101 is used as main smart camera, and setting algoritic module in inside has image-capable,
Quality estimation can be carried out to collected iris image, threshold value is set, when the first smart camera detects the image matter of acquisition
Amount reaches pre-set threshold value, then corresponding face-image is transferred to backstage and carries out iris registration, iris recognition；It is no
The iris and facial image for then abandoning this time acquisition automatically, continue to acquire.
First smart camera 101 includes control module, can carry out logic control to the second smart camera 102.
Fig. 2 schematically shows the present invention using the flow chart of described device acquisition high-resolution face-image, as shown in Fig. 2,
Specifically includes the following steps:
S1: starting collection process；
The face optical unit of S2: the first smart camera acquires face-image；
S3: judge face whether in target area；If so, step S5 is carried out, if it is not, carrying out step S4；
S4: adjustment holder position；
First smart camera detects position and the size of face from image, holder is controlled according to face location, by people
Face is adjusted to the near center location of whole image；
S5: range information is read；
Object distance of the range sensor to the first smart camera offer user to the first smart camera；
S6: selection iris optical unit focuses；
Determined according to the object distance that user's face size or range sensor measure using the first iris optical unit or
Person's the second iris optical unit, focuses, and makes the place between the eyebrows region of the first smart camera alignment face, lasting to track；Same time control
The light intensity of lighting unit processed guarantees all to obtain similar lighting condition under different distances；
S7: iris image is read；
S8: judging whether iris image meets quality requirement, if so, step S9 is carried out, if it is not, return step S5, again
Read range information；
Algoritic module is arranged in first smart camera, carries out Quality estimation to acquired image, threshold value is arranged, judges whether
It conforms to quality requirements；
S9: push fine definition face-image；
First smart camera persistently carries out auto-focusing and picture quality judgement, extracts clearly image (face and eyeprint)
It is pushed to back-end image processing platform；
S10: collection process terminates.
A kind of device for acquiring fine definition face-image of the present invention acquires it in addition to carrying out data in acquisition front equipment end
Outside, by main smart camera by the image transmitting of Quality estimation to background process, to mitigate transmission bandwidth pressure；The present invention
Face-image high-definition can be being acquired, while meeting the ease for use and accuracy of bio-identification.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (12)
1. a kind of device for acquiring fine definition face-image, including the first smart camera, lighting unit, range sensor, cloud
Platform, first smart camera include face optical unit, the first iris optical unit, algoritic module and control module, spy
Sign is,
The object distance that the range sensor is used to measure user to the first smart camera；
The first iris optical unit carries out auto-focusing according to object distance；
First smart camera, lighting unit are fixed on the holder；
The holder includes at least two motors, and support level direction is rotated to rotate with vertical direction, for adjusting the first intelligence
The angle of camera and lighting unit；
The face optical unit, the first iris optical unit are connect with the first smart camera by MIPI interface respectively；
The algoritic module carries out Face datection to the face-image of acquisition, adjusts holder rotation angle according to Face datection result
Degree, makes face be located at picture centre；
The algoritic module carries out picture quality judgement to the face-image of acquisition, and the face-image to conform to quality requirements is transmitted
It is handled to rear end；
Control module is arranged in first smart camera, carries out logic control to other peripheral devices that device includes, described outer
It can screening device if device is.
2. the apparatus according to claim 1, which is characterized in that the face optical unit includes not less than 2M resolution ratio
Sensor, FOV are not less than 65 ° of optical lens, and mtf value of the face optical unit in acquisition range is not less than 50%@
0.5lp/mm。
3. the apparatus according to claim 1, which is characterized in that the first iris optical unit includes differentiating not less than 8M
The sensor and camera lens of rate, mtf value of the first iris optical unit in acquisition range are not less than 50%@3lp/mm, as
The spatial resolution of element is greater than 16pixel/mm.
4. device according to claim 3, which is characterized in that the first iris optical unit can be used fixed-focus structure or
Autofocus motor.
5. the apparatus according to claim 1, which is characterized in that the lighting unit includes one or more first devices that shine
Part, the light emitting component mix multiple spectrum, and the adjustment of light intensity and angle is carried out according to range information.
6. device according to claim 5, which is characterized in that the light emitting component is set as LED or VCSEL laser photograph
Bright module.
7. the apparatus according to claim 1, which is characterized in that the range sensor is set as TOF laser ranging sensing
Device, 3D structure light measurement sensor, infrared distance sensor, ultrasonic distance-measuring sensor or laser radar range sensor.
8. the apparatus according to claim 1, which is characterized in that the peripheral device includes the second smart camera, and described the
Two smart cameras include the second iris optical unit, are controlled by the control module of first smart camera, with the first intelligent phase
Machine co-ordination carries out auto-focusing according to object distance.
9. device according to claim 8, which is characterized in that second smart camera is fixed on the holder, with
Second iris optical unit is connected by MIPI interface.
10. device according to claim 8, which is characterized in that the second iris optical unit includes not less than 8M points
The sensor and camera lens of resolution, mtf value of the second iris optical unit in acquisition range are not less than 50%@3lp/mm,
The spatial resolution of pixel is greater than 16pixel/mm.
11. device according to claim 8, which is characterized in that the second iris optical unit using fixed-focus structure or
Autofocus motor.
12. a kind of method for acquiring fine definition face-image according to the device of any claim 1-11, which is characterized in that
1) using face optical unit acquire face-image, algoritic module by Face datection algorithm detect face position and
Size adjusts holder angle according to face location, face is adjusted to the center of whole image；
2) object distance selection the first iris optical unit of triggering or the second rainbow measured according to face size or range sensor
Film optical unit, and focus, while controlling lighting unit light intensity；
3) algoritic module carries out Quality estimation to iris image by Quality estimation algorithm, selects the iris figure to conform to quality requirements
Corresponding face-image is transferred to rear end and carries out image procossing by picture.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811212252.5A CN109451233B (en) | 2018-10-18 | 2018-10-18 | Device for collecting high-definition face image |
| PCT/CN2019/111758 WO2020078440A1 (en) | 2018-10-18 | 2019-10-17 | Apparatus for collecting high-definition facial images and method for automatic pitch adjustment of camera gimbal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811212252.5A CN109451233B (en) | 2018-10-18 | 2018-10-18 | Device for collecting high-definition face image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109451233A true CN109451233A (en) | 2019-03-08 |
| CN109451233B CN109451233B (en) | 2020-12-18 |
Family
ID=65547557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811212252.5A Active CN109451233B (en) | 2018-10-18 | 2018-10-18 | Device for collecting high-definition face image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451233B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109977828A (en) * | 2019-03-18 | 2019-07-05 | 北京中科虹霸科技有限公司 | A kind of method and apparatus that camera holder automatic pitching is adjusted |
| CN110960193A (en) * | 2019-12-12 | 2020-04-07 | 苏州杰胜通信息技术有限公司 | Traditional Chinese medicine diagnosis analysis system and method based on face and tongue image acquisition |
| WO2020078440A1 (en) * | 2018-10-18 | 2020-04-23 | 北京中科虹霸科技有限公司 | Apparatus for collecting high-definition facial images and method for automatic pitch adjustment of camera gimbal |
| WO2021204211A1 (en) * | 2020-04-10 | 2021-10-14 | 北京眼神科技有限公司 | Method and apparatus for acquiring facial image and iris image, readable storage medium, and device |
| CN113553889A (en) * | 2020-04-26 | 2021-10-26 | 杭州萤石软件有限公司 | Face tracking method and device |
| CN114005155A (en) * | 2021-09-26 | 2022-02-01 | 盛视科技股份有限公司 | Biological information acquisition device, system and method |
| CN114332971A (en) * | 2020-09-30 | 2022-04-12 | 上海商米科技集团股份有限公司 | Face recognition method and device, electronic equipment and readable storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369311A (en) * | 2008-09-26 | 2009-02-18 | 北京中科虹霸科技有限公司 | Miniature iris recognition module adopting active visual feedback |
| CN101520838A (en) * | 2008-02-27 | 2009-09-02 | 中国科学院自动化研究所 | Automatic-tracking and automatic-zooming method for acquiring iris images |
| CN103152517A (en) * | 2013-02-06 | 2013-06-12 | 北京中科虹霸科技有限公司 | Imaging module for movable iris recognition equipment and movable equipment |
| CN204537164U (en) * | 2015-05-04 | 2015-08-05 | 王灵浩 | Based on the self-adaptation iris authentication system of DSP |
| US20150245767A1 (en) * | 2014-02-28 | 2015-09-03 | Lrs Identity, Inc. | Dual iris and color camera in a mobile computing device |
| CN204667421U (en) * | 2015-05-04 | 2015-09-23 | 黄榕 | Adaptive location iris image capturing system |
| CN108446648A (en) * | 2018-03-26 | 2018-08-24 | 北京上古视觉科技有限公司 | A kind of iris capturing system and iris authentication system |
-
2018
- 2018-10-18 CN CN201811212252.5A patent/CN109451233B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520838A (en) * | 2008-02-27 | 2009-09-02 | 中国科学院自动化研究所 | Automatic-tracking and automatic-zooming method for acquiring iris images |
| CN101369311A (en) * | 2008-09-26 | 2009-02-18 | 北京中科虹霸科技有限公司 | Miniature iris recognition module adopting active visual feedback |
| CN103152517A (en) * | 2013-02-06 | 2013-06-12 | 北京中科虹霸科技有限公司 | Imaging module for movable iris recognition equipment and movable equipment |
| US20150245767A1 (en) * | 2014-02-28 | 2015-09-03 | Lrs Identity, Inc. | Dual iris and color camera in a mobile computing device |
| CN204537164U (en) * | 2015-05-04 | 2015-08-05 | 王灵浩 | Based on the self-adaptation iris authentication system of DSP |
| CN204667421U (en) * | 2015-05-04 | 2015-09-23 | 黄榕 | Adaptive location iris image capturing system |
| CN108446648A (en) * | 2018-03-26 | 2018-08-24 | 北京上古视觉科技有限公司 | A kind of iris capturing system and iris authentication system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078440A1 (en) * | 2018-10-18 | 2020-04-23 | 北京中科虹霸科技有限公司 | Apparatus for collecting high-definition facial images and method for automatic pitch adjustment of camera gimbal |
| CN109977828A (en) * | 2019-03-18 | 2019-07-05 | 北京中科虹霸科技有限公司 | A kind of method and apparatus that camera holder automatic pitching is adjusted |
| CN109977828B (en) * | 2019-03-18 | 2021-11-19 | 北京中科虹霸科技有限公司 | Method and device for automatically adjusting pitching of camera holder |
| CN110960193A (en) * | 2019-12-12 | 2020-04-07 | 苏州杰胜通信息技术有限公司 | Traditional Chinese medicine diagnosis analysis system and method based on face and tongue image acquisition |
| WO2021204211A1 (en) * | 2020-04-10 | 2021-10-14 | 北京眼神科技有限公司 | Method and apparatus for acquiring facial image and iris image, readable storage medium, and device |
| CN113515975A (en) * | 2020-04-10 | 2021-10-19 | 北京眼神科技有限公司 | Face and iris image acquisition method and device, readable storage medium and equipment |
| CN113515975B (en) * | 2020-04-10 | 2022-11-08 | 北京眼神科技有限公司 | Face and iris image acquisition method and device, readable storage medium and equipment |
| CN113553889A (en) * | 2020-04-26 | 2021-10-26 | 杭州萤石软件有限公司 | Face tracking method and device |
| CN114332971A (en) * | 2020-09-30 | 2022-04-12 | 上海商米科技集团股份有限公司 | Face recognition method and device, electronic equipment and readable storage medium |
| CN114005155A (en) * | 2021-09-26 | 2022-02-01 | 盛视科技股份有限公司 | Biological information acquisition device, system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109451233B (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109451233A (en) | A kind of device acquiring fine definition face-image | |
| US10395097B2 (en) | Method and system for biometric recognition | |
| WO2020078440A1 (en) | Apparatus for collecting high-definition facial images and method for automatic pitch adjustment of camera gimbal | |
| EP3011495B1 (en) | Multiple mode image acquisition for iris imaging | |
| US8953849B2 (en) | Method and system for biometric recognition | |
| US20050084179A1 (en) | Method and apparatus for performing iris recognition from an image | |
| US20080075334A1 (en) | Combined face and iris recognition system | |
| KR100977499B1 (en) | Iris image acquisition system using panning and tilting of mirror at a long distance | |
| US9336439B2 (en) | System and method for the long range acquisition of iris images from stationary and mobile subjects | |
| IL255734B2 (en) | Tilt shift iris imaging | |
| CN109614909B (en) | Iris acquisition equipment and method for extending acquisition distance | |
| US11882354B2 (en) | System for acquisiting iris image for enlarging iris acquisition range | |
| CN106934349B (en) | Dual-camera imaging and iris acquisition and recognition integrated equipment | |
| CN216352422U (en) | Multi-modal image acquisition device | |
| US20210192205A1 (en) | Binding of selfie face image to iris images for biometric identity enrollment | |
| US11341224B2 (en) | Handheld multi-sensor biometric imaging device and processing pipeline | |
| CN113011222B (en) | Living body detection system, living body detection method and electronic equipment | |
| CN109426762B (en) | Biological recognition system, method and biological recognition terminal | |
| AU2007223336B2 (en) | A combined face and iris recognition system | |
| KR102209613B1 (en) | The iris acquisition apparatus and its method using the second camera in mobile device | |
| CN110443096A (en) | The application method of changeable filter camera for cloud platform identification | |
| JP6934987B2 (en) | Image processing equipment, image processing methods, and programs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |