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公开(公告)号：US20210350126A1
公开(公告)日：2021-11-11
申请号：US17283050
申请日：2018-10-16
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
摘要： The disclosure is inputting a first image captured an image of an authentication target; inputting a second image captured an image of a right eye or a left eye of the target; determining whether the second image is of a left eye or a right eye of the target based on information including the first image, and outputting a determination result as left/right information in association with the second image; detecting an overlap between a region including the second image and a predetermined region in the first image; calculating a verification score by comparing characteristic information that are related to the left/right information with iris characteristic information calculated from the second image, and calculating a first weighted verification score obtained by weighting the verification score with a detection result; and authenticating a target in the second image based on the first weighted verification score, and outputting an authentication result.
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公开(公告)号：US20240350038A1
公开(公告)日：2024-10-24
申请号：US18757651
申请日：2024-06-28
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
IPC分类号： A61B5/1171 , G06F21/32 , G06V10/26
CPC分类号： A61B5/1171 , G06F21/32 , G06V10/267
摘要： An authentication device includes an image acquisition unit, an identification unit, and an authentication unit. The image acquisition unit acquires an image of an eye of a subject. The identification unit identifies the colored pattern of a colored contact lens worn by the subject by comparing a reference image with the image of the eye. The authentication unit identifies the subject, using a feature in a region other than a colored region of the colored pattern in the iris region of the eye.
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23.发明公开公开(公告)号：US20240267610A1
公开(公告)日：2024-08-08
申请号：US18638867
申请日：2024-04-18
申请人： NEC Corporation
发明人： Yuka OGINO , Keiichi Chono
IPC分类号： H04N23/611 , G06T7/70 , G06V40/19 , H04N23/667 , H04N23/67 , H04N23/90
CPC分类号： H04N23/611 , G06T7/70 , G06V40/19 , H04N23/667 , H04N23/67 , H04N23/90 , G06T2207/30201
摘要： An imaging system is provided with: a first imaging apparatus (2) that captures an image of an imaging target (T, TP) that is located at a first point (P1); a second imaging apparatus (3) a focus position of which is set at a second point (P2) that is located at a forward side along a moving direction of the imaging target than the first point; and a control apparatus (6) that controls the second imaging apparatus to capture an image of the imaging target that is located at the second point on the basis of the image (200) captured by the first imaging apparatus.
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公开(公告)号：US20230368583A1
公开(公告)日：2023-11-16
申请号：US18221319
申请日：2023-07-12
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
CPC分类号： G06V40/70 , G06V40/197 , G06V20/52 , G06V40/171 , G06V40/19 , G06V40/103 , G06V2201/07
摘要： The disclosure is detecting an authentication target who is moving in a predetermined direction in a video; inputting a first image in which an entire body of the target; calculating characteristic information from an image of the entire body in the first image, comparing the calculated characteristic information with characteristic information of the entire body stored in first memory that stores characteristic information of entire bodies of targets, and extracting candidate information of the targets from the first memory based on a first authentication result; inputting a second image in which an iris of the target; and comparing characteristic information of irises stored in second memory that stores the characteristic information of the irises of targets with characteristic information of an iris from the second image, calculating a verification score, executing second authentication on the target in the second image based on the verification score, and outputting an authentication result.
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公开(公告)号：US20230351809A1
公开(公告)日：2023-11-02
申请号：US18217851
申请日：2023-07-03
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
IPC分类号： G06V40/18 , G06V40/19 , G06V40/20 , G06V40/70 , G06V40/10 , G06V40/16 , G06V10/764 , G06V10/60 , G06V10/22
CPC分类号： G06V40/197 , G06V40/19 , G06V40/25 , G06V40/70 , G06V40/103 , G06V40/172 , G06V10/764 , G06V10/60 , G06V10/22
摘要： The disclosure is inputting a first image captured an image of an authentication target; inputting a second image captured an image of a right eye or a left eye of the target; determining whether the second image is of a left eye or a right eye of the target based on information including the first image, and outputting a determination result as left/right information in association with the second image; detecting an overlap between a region including the second image and a predetermined region in the first image; calculating a verification score by comparing characteristic information that are related to the left/right information with iris characteristic information calculated from the second image, and calculating a first weighted verification score obtained by weighting the verification score with a detection result; and authenticating a target in the second image based on the first weighted verification score, and outputting an authentication result.
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26.发明申请公开(公告)号：US20230126960A1
公开(公告)日：2023-04-27
申请号：US17912222
申请日：2020-03-30
申请人： NEC Corporation
发明人： Yuka OGINO , Keiichi CHONO
IPC分类号： G06V40/19 , G06V40/18 , G06V40/60 , H04N23/67 , H04N23/69 , H04N23/695 , G06V10/25 , H04N23/611 , G06V10/141
摘要： An imaging system (10) according to the disclosure includes: a first control unit (11) configured to control, in such a way as to fix a focal position in a predetermined position, an iris imaging means for capturing an image focusing on an iris of a target person; an authentication unit (12) configured to authenticate the target person, based on an iris image of the target person being captured by the iris imaging means controlled by the first control unit (11); and a second control unit (13) configured to control the iris imaging means in such a way as to scan a focal position in a predetermined range, in order to re-authenticate the target person when authentication of the target person fails.
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公开(公告)号：US20230100016A1
公开(公告)日：2023-03-30
申请号：US17801925
申请日：2020-02-28
申请人： NEC Corporation
发明人： Ryo YAMAKABE , Yuka OGINO , Keiichi CHONO
摘要： The image acquiring device 10 includes the voltage control unit 30 which generates first voltage information that can identify voltage applied to the first variable-focus lens 20A included in the first imaging unit 20 installed in a position where a subject can be photographed and whose focal length changes in accordance with an applied voltage, and generates second voltage information that can identify voltage applied to the second variable-focus lens 21A included in the second imaging unit 21 installed in the position where the subject can be photographed and whose focal length changes in accordance with an applied voltage, and the image judgment unit 40 which inputs images from the first imaging unit 20 and the second imaging unit 21, and selects one image taken at an in-focus position among input images, wherein the voltage control unit 30 generates information, as the first voltage information, that can identify each voltage in a time series of voltages whose values change with time, and generates information, as the second voltage information, that can identify that each of the voltages identified by the first voltage information is applied to the second variable-focus lens 21A after a predetermined period of delay.
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公开(公告)号：US20230087275A1
公开(公告)日：2023-03-23
申请号：US17801441
申请日：2020-02-27
申请人： NEC Corporation
发明人： Keiichi CHONO , Ryuichi AKASHI , Yuka OGINO
IPC分类号： G06V10/141 , G06V40/18 , G06V40/19
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).
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公开(公告)号：US20220254193A1
公开(公告)日：2022-08-11
申请号：US17680698
申请日：2022-02-25
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
摘要： The disclosure is inputting a first image obtained by capturing an object of authentication moving in a specific direction; inputting a second image at least for one eye obtained by capturing a right eye or a left eye of the object; determining whether the second image is of the left eye or the right eye of the object, based on information including the first image, and outputting a determination result associated with the second image as left/right information; comparing characteristic information relevant to the left/right information, the characteristic information being acquired from a memory that stores the characteristic information of a right eye and a left eye pertaining to object to be authenticated, with characteristic information associated with the left/right information, and calculating a verification score; and authenticating the object captured in the first image and the second image, based on the verification score, and outputting an authentication result.
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公开(公告)号：US20220189207A1
公开(公告)日：2022-06-16
申请号：US17684808
申请日：2022-03-02
申请人： NEC Corporation
发明人： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
IPC分类号： G06V40/18 , G06V10/22 , G06V10/60 , G06V40/19 , G06V40/20 , G06V40/70 , G06V40/10 , G06V40/16
摘要： The disclosure is inputting a first image captured an image of an authentication target; inputting a second image captured an image of a right eye or a left eye of the target; determining whether the second image is of a left eye or a right eye of the target based on information including the first image, and outputting a determination result as left/right information in association with the second image; detecting an overlap between a region including the second image and a predetermined region in the first image; calculating a verification score by comparing characteristic information that are related to the left/right information with iris characteristic information calculated from the second image, and calculating a first weighted verification score obtained by weighting the verification score with a detection result; and authenticating a target in the second image based on the first weighted verification score, and outputting an authentication result.
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