WO2005008567A1 - Appareil et procede de reconnaissance omnidirectionnelle par l'iris - Google Patents

Appareil et procede de reconnaissance omnidirectionnelle par l'iris Download PDF

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Publication number
WO2005008567A1
WO2005008567A1 PCT/KR2004/001793 KR2004001793W WO2005008567A1 WO 2005008567 A1 WO2005008567 A1 WO 2005008567A1 KR 2004001793 W KR2004001793 W KR 2004001793W WO 2005008567 A1 WO2005008567 A1 WO 2005008567A1
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WO
WIPO (PCT)
Prior art keywords
iris
view
person
wide field
camera
Prior art date
Application number
PCT/KR2004/001793
Other languages
English (en)
Inventor
Jai-Hie Kim
Kang-Ryoung Park
Kwang-Hyuk Bae
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Yonsei University
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Filing date
Publication date
Application filed by Yonsei University filed Critical Yonsei University
Publication of WO2005008567A1 publication Critical patent/WO2005008567A1/fr

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Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
    • G06V10/776—Validation; Performance evaluation
    • 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
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation

Definitions

  • the present invention relates to an iris recognition system, and more particularly to iris recognition method and apparatus in an omni-directional view, capable of monitoring the movements of various users in real time in the 360° omnidirectional view and of simultaneously acquiring iris images for various people to let the people perform iris recognition.
  • an iris recognition system is divided into an input device for acquiring an iris images and a recognition part for recognizing a person using the acquired iris images. Since the performance of the iris recognition system depends on how fast and correctly the input device acquires clear and clean iris images (that do not include regions reflected by specular reflection or external noise), the iris input device is very important.
  • the input device for acquiring iris images is divided into the following three for convenience sake. 1) Handheld acquisition device: A user acquires iris image with the device in hands. It is cheap. However, since the user must move the device immediately in front of an eye with the device in hands, it takes long to acquire the iris image and it is inconvenient to use the device.
  • a user approaches the iris input device, controls the height of a camera, and gets his or her eye close to the iris camera to acquire iris image.
  • the device is mainly attached to a wall to control entrance and exit or to authorize a user in a personal computer (PC).
  • the semi-automated acquisition device uses a fixed focus lens portion or a variable focus lens portion (or variable zoom/focus lens portion).
  • the semi-automated acquisition device uses the fixed focus lens portion, in a state where right and left/up and down positions of an eye are adjusted, the distance between the camera and the eyes (the distance Z) is controlled to acquire iris images that are in focus.
  • the semi-automated acquisition device uses the variable focus lens portion (or the variable zoom/focus lens portion), a user gets his or her eye close to the iris camera and fixes his or her eye to the region of the distance Z where the user can perform iris recognition and the camera performs an automated focusing (or automated zooming/focusing) function to automatically acquire the iris image.
  • Automated acquisition device A camera automatically detects the face and eyes of a person and rotates up and down/right and left and automatically performs focusing (or zooming/focusing) to automatically acquire the iris image suitable for iris recognition.
  • the handheld acquisition device and the semi- automated acquisition device need the cooperation of the user (the user must adjust the up and down/right and left positions of his or her eyes or control the height of the camera) in order to acquire iris images.
  • the conventional automated acquisition device since a wide field of view device is composed of one or two or more cameras and common lens portions are used for the cameras, an angle of view is restricted.
  • the conventional automated acquisition device has a problem in that iris images can be acquired only when the eyes of a user are positioned in a specific range in front of the iris input device like the semi-automated acquisition device. It is necessary for a system for controlling and monitoring entrance and exit to monitor whether only the user who is allowed to enter a place where security is to be guaranteed and who is in the place.
  • the angle of view at which iris images can be captured is restricted, it is not possible to monitor whether another person who is not allowed to enter the place enters the place when the user who is allowed to enter the place enters the place or whether another person enters the place instead of the user who is allowed to enter the place.
  • iris recognition method and apparatus in the omni-directional view comprising a first step of acquiring an image of a subject through a wide field of view camera included in a wide field of view device for monitoring all directions in a subject monitoring space, a second step of, when the movement of a subject acquired by the wide field of view camera is detected, determining that the subject as a person whose irises are to be recognized and of detecting the face image of the person, a third step of detecting the face image of the person and of acquiring information on the position of the eyes of the person, a fourth step of, when the position of the eyes of the person is detected, moving the optical axis of the narrow field of view camera for capturing the iris image to the position of the eyes of the person, a fifth step of controlling the zoom and the focus of the iris image camera in accordance with the position of the eyes of the person, a sixth step of correcting the information on the position of the eyes of the person and the focus of the iris image
  • an omni-directional iris recognition apparatus comprising a wide field of view device for acquiring the image of a subject by a wide field of view camera for monitoring all directions and for detecting the face image of a moving person, a narrow field of view device including an iris image camera for acquiring iris image from the face image of the person detected by the wide field of view device, controlling means for controlling the wide field of view device to select a person whose irises are to be recognized from acquired subjects and for controlling the narrow field of view device to acquire the iris images of the person based on information on the position of the eyes of the person, which is transmitted by the wide field of view device, and recognizing means for testing the quality of the iris images acquired by the narrow field of view by the control of the controlling means and for performing iris recognition on the iris image that passed the test.
  • Fig. 1 is a block diagram of an omni-directional iris recognition apparatus according to an embodiment of the present invention
  • Figs. 2 to 5 illustrate acquisition of an image in all directions by a wide field of view device according to the embodiment of the present invention
  • Figs. 6 and 7 illustrate a narrow field of view device according to the embodiment of the present invention
  • Figs. 8 to 12 illustrate various combinations between the wide field of view device and the narrow field of view device according to the embodiment of the present invention
  • Figs. 1 is a block diagram of an omni-directional iris recognition apparatus according to an embodiment of the present invention
  • Figs. 2 to 5 illustrate acquisition of an image in all directions by a wide field of view device according to the embodiment of the present invention
  • Figs. 6 and 7 illustrate a narrow field of view device according to the embodiment of the present invention
  • Figs. 8 to 12 illustrate various combinations between the wide field of view device and the narrow field of view device according to the embodiment of the present invention
  • FIG. 13 to 17 illustrate a method of making the three-dimensional spatial coordinate system of the wide field of view device coincide with the three-dimensional spatial coordinate system of the narrow field of view device according to the embodiment of the present invention
  • Fig. 18 illustrates a method of combining two or more wide field of view devices with each other in order to obtain a three-dimensional space according to the embodiment of the present invention
  • Fig. 19 illustrates a method of detecting the position of a face by a wide field of view camera and of acquiring a face image by a narrow field of view camera to detect the position of eyes
  • Figs. 20 to 22 illustrate states in which the apparatus for recognizing irises using the wide field of view device and the narrow field of view device according to the embodiment of the present invention are used; Figs.
  • Fig. 23 and 24 illustrate states in which the iris recognition apparatus according to the embodiment of the present invention is used for a door;
  • Fig. 25 illustrates a state in which the iris recognition apparatus according to the embodiment of the present invention is used for recognizing the iris of a person who moves from downstairs to upstairs or vise versa;
  • Fig. 26 is a flowchart illustrating iris recognition processes in all directions according to the embodiment of the present invention.
  • FIG. 1 is a block diagram of an omni-directional iris recognition apparatus according to an embodiment of the present invention.
  • a wide field of view device 110 for acquiring an image of a subject through a wide field of view camera 112 for monitoring all directions at 360° and for detecting the face image of a moving person
  • a narrow field of view device 120 including an iris image camera 122 for acquiring iris images from the face image of the person detected by the wide field of view device 110, a controlling portion 130 for selecting a person whose irises are to be recognized from subjects detected by the wide field of view device 110 and for controlling the narrow field of view device 120 so as to acquire the iris images of the person whose irises are to be recognized based on information on the position of the eyes of the person, which is transmitted by the wide field of view device 110, and an iris recognition portion 140 for testing the quality of the iris images acquired by the narrow
  • an omni-directional lens portion 111 for acquiring images of the entire region at 360° in a direction horizontal to the wide field of view camera 112 and for acquiring images of a region in accordance with the shape of a hyperboloidal mirror (or a paraboloidal mirror) in a direction vertical to the wide field of view camera 112, and a wide field of view illuminating portion 113 for illuminating all directions at 360° by visible rays or infrared rays.
  • the narrow field of view device 120 includes an iris image camera 122 for acquiring the iris images of a person whose irises are to be recognized by the control of the controlling portion 130, a zoom/focus lens portion 121 for controlling zoom and focus with respect to the iris of the person whose iris is to be recognized by the control of the controlling portion 130, a pan/tilt unit 124 for rotating the iris image camera 122 up and down/right and left such that the optical axis of the iris image camera 122 faces the irises of the person whose irises are to be recognized by the control of the controlling portion 130, a distance measuring sensor 125 for measuring the distance between the iris image camera 122 and the irises of the person whose irises are to be recognized by the control of the controlling portion 130, and an illuminating portion 123 for radiating infrared rays onto the irises of the person whose irises are to be recognized by the control of the controlling portion 130.
  • Fig. 1 is a block diagram of an omni-directional iris recognition apparatus according to an embodiment of the present invention.
  • the controlling portion 130 controls the omni-directional lens portion 111, the wide field of view camera 112, and the wide field of view illuminating portion 113 of the wide field of view device 110 to monitor subjects in all directions at 360°, controls the zooming/focusing lens portion 121, the iris image camera 122, the infrared rays illuminating portion 123, the pan/tilt unit 124, and the distance measuring sensor 125 of the narrow field of view device 120 to detect the iris images of the person whose irises are to be recognized and to establish the identity of the person having the detected iris images through the iris recognition portion 140.
  • the wide field of view device 110 uses the omni-directional lens portion 111 capable of monitoring a wide range in order to detect the approaches of various people, to detect faces, to monitor the movement of people, to detect the intension of recognition, to select a person whose irises are to be recognized, and to acquire information on the positions of a face and eyes.
  • the omni-directional lens portion 111 is composed of a lens that can acquire images of the entire region at 360° in a horizontal direction and whose range of region that can be acquired is determined in accordance with the shape of the hyperboloidal mirror (or the paraboloidal mirror) 201 in a vertical direction as illustrated in Figs. 2 and 3.
  • the hyperboloidal mirror (or the paraboloidal mirror) 201 reflects the images that exist in all directions at 360° such that the wide field of view camera 112 can acquire the image.
  • a panorama image device that can acquire images in all directions at 360° by combining several narrow field of view cameras 112 with each other and a panorama image device that can acquire images in all directions at 360° by combining several narrow field of view cameras with a planar mirror as illustrated in Figs. 4 and 5 can be used as an omni-directional image acquiring device in the wide field of view device.
  • An illuminating device (not shown) may be attached to the wide field of view device 110 in order to illuminate the entire region in all directions at 360°.
  • Visible rays or infrared rays are used for illumination such that the wide field of view device 110 can operate in a dark place. If the wide field of view device 110 is used indoors, indoor illumination can be used.
  • the controlling portion 130 determines the subject as a person whose irises are to be recognized to detect the face image of the person.
  • the face image of the person whose irises are to be recognized is detected to acquire information on the position of the eyes of the person when the person gazes at the iris image camera 122.
  • the controlling portion 130 controls the angle of view of the narrow field of view device 120 to acquire iris image.
  • the narrow field of view device 120 rotates the pan/tilt unit 124 up and down/right and left in order to make the optical axis of the iris recognizing camera face the irises of the person whose irises are to be recognized based on the information on the position of the eyes of the person whose irises are to be recognized, which is transmitted by the wide field of view device 110.
  • the narrow field of view device 120 includes the zooming/focusing lens portion 121 having a zooming/focusing function for acquiring iris images of a uniform size (a lens having only a focusing function), a camera loaded with an infrared ray transmitting filter, a distance measuring sensor for measuring the distance between the iris image camera 122 and the eyes of the person whose irises are to be recognized (image processing can be used instead of the distance measuring sensor), and a multi- wavelength infrared ray or halogen illuminating device for illuminating the irises.
  • the iris recognizing portion 140 may be included in the narrow field of view device 120 and can be independent of the narrow field of view device 120.
  • the pan/tilt unit 124 of the narrow field of view device 120 has a high speed and precise rotation function for acquiring the iris images of many people in many positions by one camera. Since the sizes of iris images vary with the distance between the iris image camera 122 and the eyes of the person whose irises are to be recognized, a zooming camera may be used in order to acquire iris images of a uniform size.
  • the infrared ray illumination portion 123 uses as infrared ray bandpass illumination (such as an infrared ray light emission diode (LED) and a halogen illumination) in order to acquire iris images without tiring the eyes of the person whose iris is to be recognized.
  • the infrared ray transmitting filter is attached to the iris image camera in the narrow field of view device 120 or, as illustrated in Figs. 8 to 10, when the hyperboloidal mirror (or the paraboloidal mirror) of the omni-directional lens in the wide field of view device is composed of a cold mirror (that transmits infrared rays and that intercepts visible rays) and the camera of the narrow field of view device is provided in the cold mirror in order to remove the influence of a visible ray bandpass and to acquire only the iris images reflected by the infrared ray wavelength bandpass illumination, it is possible to substitute the cold mirror for infrared ray transmitting filter.
  • Figs. 6 and 7 are block diagrams of the narrow field of view device.
  • the narrow field of view device includes the iris image camera (a charge coupled device
  • CCD compact flash camera
  • CMOS complementary metal-oxide semiconductor
  • the operation of the narrow field of view device 120 is activated by the controlling portion 130 when it is determined by the wide field of view device
  • the pan/tilt unit 124 makes the optical axis of the iris image camera 122 in the narrow field of view device 120 face the irises of the person whose irises are to be recognized with the information on the position of the eyes of the person whose irises are to be recognized, which is transmitted by the wide field of view device 110.
  • the iris image camera 122 faces the irises of the person whose irises are to be recognized
  • the distance between the iris image camera 122 and the eyes of the person whose irises are to be recognized is measured by the distance measuring sensor 125 attached to the iris image camera.
  • the zooming camera must be used in order to acquire iris images of the same size or only a variable/fixed focus lens without the zooming lens may be used.
  • the infrared ray illuminating portion 123 is used for illuminating the irises of the person whose irises are to be recognized and the infrared ray bandpass (700nm to 900nm) is used in order to prevent the person whose irises are to be recognized from feeling dazzled.
  • Figs. 8 to 12 illustrate a method of combining the wide field of view device with the narrow field of view device.
  • the hyperboloidal mirror (or the paraboloidal mirror) 201 is composed of the cold mirror such that the narrow field of view device 122 is provided in the hyperboloidal mirror (or the paraboloidal mirror) 201.
  • the cold mirror reflects the visible rays and transmits the infrared ray bandpass.
  • the iris images illuminated by light of the infrared ray bandpass transmits the cold mirror and is input to the iris image camera 122 in the narrow field of view device.
  • the above method is used for coinciding the viewpoint of the wide field of view device with the viewpoint of the narrow field of view device. In the state where one wide field of view device is combined with one narrow field of view device as illustrated in Fig. 13, it is not possible to know the distance between the iris image camera 122 to the eyes of the person whose irises are to be recognized. only by the wide field of view device and the viewpoint of the wide field of view device does not coincide with the viewpoint of the narrow field of view device.
  • the camera of the narrow field of view device may face the eyes of the person whose irises are to be recognized only by the position detected by the wide field of view device.
  • the camera of the narrow field of view device may face the first subject 101 or a second subject 102. As illustrated in Figs.
  • the narrow field of view device is provided in the hyperboloidal mirror (or the paraboloidal mirror) such that the viewpoint of the wide field of view device coincides with the viewpoint of the narrow field of view device.
  • the camera of the narrow field of view device face the eyes of the person whose irises are to be recognized only by the position of the eyes of the person whose irises are to be recognized, which is obtained by one wide field of view device.
  • a planar mirror 203 is provided in the hyperboloidal mirror (or the paraboloidal mirror) 201 in order to coincide the viewpoint of the wide field of view device with the viewpoint of the narrow field of view device and to miniaturize the iris recognizing device and to reduce the weight of the rotating device such that the up and down/right and left rotation can be rapidly performed without vibration.
  • the planar mirror 203 is attached to the pan/tilt unit 124 to reflect the iris images in a desired position and to input the iris images to the iris image camera 122 in the narrow field of view device.
  • it is possible to miniaturize the hyperboloidal mirror (or the paraboloidal mirror) 201 it is possible to reduce the size of the iris recognition device.
  • FIG. 11 illustrates a method of the wide field of view device 110 is separated from the narrow field of view device 120.
  • the narrow field of view device 120 is combined with the lower end of the wide field of view device 110 using the omnidirectional image device that is currently used as illustrated in Figs. 2 to 5 such that iris recognition can be performed in all directions at 360°.
  • a movement range L from the wide field of view device for recognizing the irises of the person whose irises are to be recognized is defined, the initial zoom magnification of the narrow field of view device is determined as the movement range of a user, capable of performing iris recognition, using the difference D between the viewpoint of the wide field of view device and the viewpoint of the narrow field of view device, and the narrow field of view camera is positioned by the position of the eyes of the person whose irises are to be recognized to acquire an initial eye image.
  • Fig. 12 illustrates a method of acquiring three-dimensional information by combining two or more wide field of view devices as illustrated in Fig. 18. According to this method, it is possible to know the distance between each of the wide field of view devices and the eyes of the person whose irises are to be recognized using the relationship between the wide field of view devices.
  • the distance between each of the wide field of view devices and the eyes of the person whose irises are to be recognized is calculated using the difference in the positions of the eyes of the same person with respect to the respective wide field of view devices.
  • FIG. 19 illustrates a method of solving the problem when it is not possible to know the correct position of the eyes of the person whose irises are to be recognized in the case of using a low-resolution camera as the wide field of view camera in the wide field of view device.
  • the position of the face of the person is acquired to obtain the face image of the person by the narrow field of view camera, the position of the eyes of the person is detected from the face image, and zoom and the value of the up and down/right and left rotation of the camera rotating device are corrected to acquire iris images.
  • Figs. 20 and 21 illustrate the structure and the applied field of the iris recognizing device capable of recognizing irises in all directions at 360°.
  • the iris recognizing device can be formed in a pillar 210 and can be attached to a ceiling as illustrated in Fig. 22.
  • the iris recognition device can be attached to a wall.
  • Figs. 23 and 24 illustrate acquisition of the iris images of the people who enter and exit a door according to the embodiment of the present invention. As illustrated in Figs. 23 and 24, it is possible to detect the iris images of a plurality of people that enter the door in various directions by the one omni-directional iris recognition system provided in the door.
  • Fig. 25 is a front view illustrating detection of the iris images of people who are moving from upstairs to downstairs or from downstairs to upstairs.
  • Fig. 19 is a flowchart illustrating processes of recognizing irises in all directions according to the embodiment of the present invention. Processes of monitoring subjects in all directions at 360° and of recognizing the iris images of the person whose iris is to be recognized to establish the identity of the person whose iris is to be recognized will be described as follows. First, the wide field of view illuminating portion 113 and the wide field of view camera 112 of the wide field of view device 110 are activated (SI 10).
  • the wide field of view illuminating portion 113 and the wide field of view illuminating camera 112 are driven to receive peripheral images and to thus monitor a plurality of people (Sill).
  • the controlling portion 130 determines the subject as the person whose irises are to be recognized and detects the face image of the person (SI 12 and The face image of the person is detected to acquire the information on the position of the eyes of the person when the person gazes at the iris image camera 122 (S114 to S116).
  • the controlling portion 130 controls the angle of view of the narrow field of view device 120 to acquire iris images.
  • the narrow field of view device 120 rotates the pan/tilt unit 124 up and down/right and left in order to make the optical axis of the iris image camera 122 face the irises of the person whose irises are to be recognized based on the information on the position of the eyes of the person whose irises are to be recognized, which is transmitted by the wide field of view device 110 (S 121).
  • the distance measuring sensor 125 is driven to detect the distance between the iris image camera 122 and the eyes of the person whose irises are to be recognized (S122).
  • the infrared ray illuminating portion 123 is driven to radiate the infrared rays onto the eyes of the person whose irises are to be recognized (S123).
  • the zooming/focusing lens portion 121 of the iris image camera 122 is driven to automatically control the zoom and the focus in order to acquire the iris images of the person whose irises are to be recognized (SI 24).
  • the information on the position of the eyes of the person whose irises are to be recognized is corrected and the focus is corrected (S125 and S126).
  • iris images are acquired (S127). It is determined whether the acquired iris images can be recognized, that is, the quality of the acquired iris images is determined (S128). When it is determined that the quality of the acquired iris images is no more than a reference value, the process is returned to the zooming/focusing step (SI 24) to acquire iris images again.
  • the identity of the person is established by data obtained after performing iris recognition and it is determined whether the person is an authorized person who is allowed to enter and exits the door or not to monitor the movement of the person (SI 29 to SI 32).
  • the iris recognition method is used among organism recognition methods.
  • the present invention can be introduced to a face recognition system. While this invention has been particularly shown and described with reference to the preferred embodiment thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
  • the apparatus can be provided in public institutions in which security is required such as airports, harbors, city halls, and police stations to authorize people and can be used for fields in which the movements of people are monitored in real time.
  • public institutions such as airports, harbors, city halls, and police stations to authorize people and can be used for fields in which the movements of people are monitored in real time.
  • the apparatus is used for controlling a door, since one iris recognition apparatus can be used for entrance and exit, it is possible to significantly reduce expenses and to monitor whether the person whose irises are to be recognized actually enters the door and whether other unauthorized people enter the door at the same time.

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Abstract

L'invention concerne un procédé et un appareil de reconnaissance omnidirectionnelle par l'iris. L'appareil de reconnaissance omnidirectionnelle par l'iris comprend un dispositif de visualisation à champ large destiné à acquérir l'image d'un sujet à l'aide d'une caméra à champ étroit surveillant toutes les directions et détectant l'image de face d'une personne en mouvement; un dispositif de visualisation à champ étroit comprenant une caméra de mise en images d'iris destinée à acquérir des images d'iris à partir de l'image de face de la personne détectée par le dispositif de visualisation à champ large; des moyens de commande du champ large du dispositif de visualisation pour sélectionner une personne dont les iris doivent être reconnus par des sujets acquis, et de commande du champ étroit du dispositif de visualisation pour acquérir les images d'iris de la personne en fonction des informations sur la position des yeux de la personne, transmises par le champ large du dispositif de visualisation; et des moyens de reconnaissance destinés à tester la qualité des images d'iris acquises par le champ étroit du dispositif de visualisation par les moyens de commande, et à procéder à la reconnaissance par l'iris à partir des images d'iris positivement testées.
PCT/KR2004/001793 2003-07-18 2004-07-19 Appareil et procede de reconnaissance omnidirectionnelle par l'iris WO2005008567A1 (fr)

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WO2007103833A1 (fr) * 2006-03-03 2007-09-13 Honeywell International, Inc. Système combiné de reconnaissance de visage et d'iris
WO2008124382A1 (fr) * 2007-04-03 2008-10-16 Honeywell International Inc. Eclairement variable pour authentification biométrique
WO2008131201A1 (fr) * 2007-04-19 2008-10-30 Global Rainmakers, Inc. Procédé et système de reconnaissance biométrique
WO2008154637A1 (fr) * 2007-06-14 2008-12-18 Cubic Corporation Système de détection oculaire
EP2062197A2 (fr) * 2006-09-15 2009-05-27 Retica Systems, Inc. Système et procédé de biométrie multimodale à distance
US20090274345A1 (en) * 2006-09-22 2009-11-05 Hanna Keith J Compact Biometric Acquisition System and Method
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CN106778713A (zh) * 2017-03-01 2017-05-31 武汉虹识技术有限公司 一种动态人眼跟踪的虹膜识别装置及方法
CN106778713B (zh) * 2017-03-01 2023-09-22 武汉虹识技术有限公司 一种动态人眼跟踪的虹膜识别装置及方法
CN109117692A (zh) * 2017-06-23 2019-01-01 上海荆虹电子科技有限公司 一种虹膜识别装置、系统及方法
CN109117692B (zh) * 2017-06-23 2024-03-29 深圳荆虹科技有限公司 一种虹膜识别装置、系统及方法
CN109389018A (zh) * 2017-08-14 2019-02-26 杭州海康威视数字技术股份有限公司 一种人脸角度识别方法、装置及设备
CN109389018B (zh) * 2017-08-14 2020-12-25 杭州海康威视数字技术股份有限公司 一种人脸角度识别方法、装置及设备
WO2023079862A1 (fr) * 2021-11-05 2023-05-11 パナソニックＩｐマネジメント株式会社 Système d'imagerie, dispositif de traitement et procédé exécuté par ordinateur dans un système d'imagerie

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