公开(公告)号：EP3860116A1

公开(公告)日：2021-08-04

申请号：EP18934856.8

申请日：2018-09-27

申请人： NEC Corporation

发明人： CHONO, Keiichi ,  TSUKADA, Masato ,  FUNAYAMA, Chisato ,  AKASHI, Ryuichi ,  OGINO, Yuka ,  SHIBATA, Takashi ,  YACHIDA, Shoji ,  IMAI, Hiroshi ,  KITAGAWA, Emi ,  YOSHIDA, Yasuhiko ,  MORI, Yusuke

IPC分类号： H04N7/18 ,  G06T1/00 ,  G06T7/00

摘要： Provided is an authentication system that can suppress increase of a calculation amount for biometric authentication when a plurality of humans are subject to repeated biometric authentication. An authentication system 11 according to an aspect of the present invention is provided with: a tracking means 102 that tracks subjects included in an image taken by a first photographing device; a detection means 104 that detects a biometric authentication candidate from among the tracked subjects; a determination means 105 that determines whether biometric authentication has been carried out for the biometric authentication candidate on the basis of the records of biometric authentication carried out for the tracked subjects; and an authentication means 106 that, when it is determined that biometric authentication has not been carried out for the biometric authentication candidate, carries out biometric authentication for the biometric authentication candidate on the basis of an image of an authentication portion of the biometric authentication candidate taken by a second photographing device, an image-taking range of which is included, as a part, in an image-taking range of the first photographing device.

公开(公告)号：EP4111960A1

公开(公告)日：2023-01-04

申请号：EP20921992.2

申请日：2020-02-27

申请人： NEC Corporation

发明人： CHONO, Keiichi ,  AKASHI, Ryuichi ,  OGINO, Yuka

IPC分类号： A61B5/1171 ,  G06T1/00 ,  G06T7/00

摘要： An imaging system (10) includes: iris imaging means (1) for photographing an iris of a subject; first irradiation means (2a) for applying light to the subject; and second irradiation means (2b) for applying light to the subject in such a manner that an angle between an optical axis of the light emitted from the second irradiation means (2b) and an optical axis of the iris imaging means (1) is larger than an angle between an optical axis of the light emitted from the first irradiation means (2a) and the optical axis of the iris imaging means (1).

公开(公告)号：EP3992899A1

公开(公告)日：2022-05-04

申请号：EP19934618.0

申请日：2019-06-25

申请人： NEC Corporation

发明人： CHONO, Keiichi ,  TSUKADA, Masato ,  FUNAYAMA, Chisato ,  TOIZUMI, Takahiro ,  OGINO, Yuka ,  AKASHI, Ryuichi ,  YAMAKABE, Ryo

IPC分类号： G06T1/00

摘要： An iris recognition apparatus for performing recognition of a target person based on an iris pattern of the target person, is provided with: an imaging device that performs an imaging processing for sequentially outputting imaged images while changing a focal position; and a determining device that starts a focusing determination for determining whether or not an image is a focused image before the imaging device completes the imaging processing.

公开(公告)号：EP4398032A1

公开(公告)日：2024-07-10

申请号：EP21955941.6

申请日：2021-08-31

申请人： NEC Corporation

发明人： AKASHI, Ryuichi ,  YOSHIMI, Kosuke ,  OGINO, Yuka ,  YAMAKABE, Ryo

IPC分类号： G03B15/02 ,  G06T1/00 ,  A61B5/1171

CPC分类号： A61B5/1171 ,  G03B15/02 ,  G06T1/00 ,  G06V40/19 ,  G06V40/18 ,  G06F3/013

摘要： An illumination control apparatus 3 comprises: a detection unit 311 that detects an iris area IA and a reflection area RA in an eye image IMG_E generated by imaging eyes of a target being illuminated with illumination light II, from an illumination apparatus 2, the iris area IA and the reflection area RA corresponding to an iris of the eyes and a reflection image of the illumination light respectively; and an illumination control unit 312 that controls the illumination apparatus based on an overlap state between the iris area and the reflection area.

公开(公告)号：EP4071701A1

公开(公告)日：2022-10-12

申请号：EP19954990.8

申请日：2019-12-04

申请人： NEC Corporation

发明人： FUNAYAMA, Chisato ,  AKASHI, Ryuichi

IPC分类号： G06T1/00

摘要： An information presenting system includes: a specification unit that specifies a position of a biological part used for authentication from information about a target person; a setting unit that sets an imaging area in which the biological part is imaged, in accordance with the specified position of the biological part; and a presentation unit that presents information indicating the imaging area at a position that allows an overlap of the biological part. According to this information presenting system, information about biometric authentication can be appropriately presented to the target person, so that an authentication process can be performed normally.

公开(公告)号：EP4403974A1

公开(公告)日：2024-07-24

申请号：EP21957432.4

申请日：2021-09-14

申请人： NEC Corporation

发明人： YAMAKABE, Ryo ,  AKASHI, Ryuichi ,  OGINO, Yuka ,  YOSHIMI, Kosuke ,  TSUKADA, Masato

IPC分类号： G02B7/28 ,  A61B5/117 ,  G03B13/36 ,  G03B15/00

CPC分类号： A61B5/117 ,  G03B13/36 ,  G02B7/28 ,  H04N23/67 ,  A61B3/14 ,  A61B3/1216 ,  H04N23/673 ,  G06V40/193 ,  G06V40/18 ,  G06V40/19 ,  G06V40/197

摘要： An information processing system (10) comprises: a distance acquisition unit (110) that specifies an iris area containing an iris of a target from a visible-light image of the target, and acquires an iris distance that is a distance to the iris area; an iris image acquisition unit (120) that acquires an iris image of the target by changing a focal length according to the iris distance; a score computing unit (130) that calculates a score relating to deviation of a focus in the iris image, based on the iris image; and a correlation update unit (140) that updates correlation between the iris distance and the focal length at a moment of acquisition of the iris image, based on the score. According to such an information processing system, since the correlation is updated with good accuracy, it is possible to acquire the appropriate iris image.

公开(公告)号：EP4057212A1

公开(公告)日：2022-09-14

申请号：EP19951310.2

申请日：2019-11-05

申请人： NEC Corporation ,  NEC Platforms, Ltd.

发明人： OGATSU, Toshinobu ,  OAMI, Ryoma ,  SASHIHARA, Toshiyuki ,  MIYAMOTO, Takamichi ,  AKASHI, Ryuichi ,  YAMAKABE, Ryo ,  SHIMADA, Daisuke

IPC分类号： G06T1/00

摘要： An imaging apparatus for authentication includes: a first imaging unit that obtains a first image used in a first authentication process by imaging a target person; a second imaging unit that obtains a second image used in a second image process by imaging the target person in an imaging range narrower than that of the first imaging unit; a drive unit that integrally drives the first imaging unit and the second imaging unit; and a drive control unit that controls the drive unit on the basis of the first image.

公开(公告)号：EP3992900A1

公开(公告)日：2022-05-04

申请号：EP19934946.5

申请日：2019-06-26

申请人： NEC Corporation

发明人： CHONO, Keiichi ,  OGINO, Yuka ,  AKASHI, Ryuichi

IPC分类号： G06T1/00

摘要： An iris recognition apparatus is provided with: an irradiating device that is capable of irradiating light to a target person to be recognized; an acquiring device that acquires a first image which imaged a first imaging range including at least a face of the target person; and a determining device that determines an irradiation mode of light irradiated from the irradiating device to the target person when imaging a second image including an area, which includes an eye of the target person, and corresponding to a second imaging range, which is narrower than the first imaging range, based on the first image.