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11.发明申请公开(公告)号：US20210400202A1
公开(公告)日：2021-12-23
申请号：US17279141
申请日：2018-09-28
Applicant: NEC Corporation
Inventor： Keiichi CHONO , Masato TSUKADA , Chisato FUNAYAMA , Ryuichi AKASHI , Yuka OGINO , Takashi SHIBATA , Shoji YACHIDA , Hiroshi IMAI , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
Abstract: To provide a system, a method and the like for acquiring more images or more quickly focused images. A control device acquires information regarding a situation of a range captured by an imaging device, determines a mode according to an assumed situation of the range captured by the imaging device among a plurality of focusing modes, and transmits designation information specifying the determined mode to the imaging device. The imaging device receives the designation information from the control device, and captures an image using the mode specified by the received designation information.
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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
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
Abstract: 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
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
IPC: A61B5/1171 , G06F21/32 , G06V10/26
CPC classification number: A61B5/1171 , G06F21/32 , G06V10/267
Abstract: 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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14.发明公开公开(公告)号：US20240264000A1
公开(公告)日：2024-08-08
申请号：US18563432
申请日：2021-05-28
Applicant: NEC CORPORATION
Inventor： Chisato FUNAYAMA , Masato TSUKADA
CPC classification number: G01J3/52 , G01J3/108 , G01J3/42 , G01J3/50 , G06T7/90 , G01J2003/425 , G06V40/10
Abstract: A chart includes: a substrate; a first skin reflection patch part that is formed on the substrate and that simulates reflection of near-infrared rays of a predetermined wavelength, in a skin of a living body of a first skin color; and a second skin reflection patch part that is formed on the substrate and that simulates reflection of the near-infrared rays of the predetermined wavelength, in the skin of the living body of a second skin color that is different from the first skin color. According to such a chart, it is possible to properly determine whether or not an imaging environment of an image is suitable for biometric authentication.
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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
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
CPC classification number: G06V40/70 , G06V40/197 , G06V20/52 , G06V40/171 , G06V40/19 , G06V40/103 , G06V2201/07
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20230351809A1
公开(公告)日：2023-11-02
申请号：US18217851
申请日：2023-07-03
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
IPC: G06V40/18 , G06V40/19 , G06V40/20 , G06V40/70 , G06V40/10 , G06V40/16 , G06V10/764 , G06V10/60 , G06V10/22
CPC classification number: G06V40/197 , G06V40/19 , G06V40/25 , G06V40/70 , G06V40/103 , G06V40/172 , G06V10/764 , G06V10/60 , G06V10/22
Abstract: 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：US20220254193A1
公开(公告)日：2022-08-11
申请号：US17680698
申请日：2022-02-25
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
Abstract: 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
Applicant: NEC Corporation
Inventor： Takashi SHIBATA , Shoji YACHIDA , Chisato FUNAYAMA , Masato TSUKADA , Yuka OGINO , Keiichi CHONO , Emi KITAGAWA , Yasuhiko YOSHIDA , Yusuke MORI
Abstract: 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：US20220005203A1
公开(公告)日：2022-01-06
申请号：US17294071
申请日：2018-11-19
Applicant: NEC Corporation
Inventor： Ryuichi AKASHI , Keiichi CHONO , Masato TSUKADA , Chisato FUNAYAMA , Takahiro TOIZUMI , Yuka OGINO
Abstract: In order to detect the foreground without being affected by reflected light from the shadow of an object or the background and so on, in both indoor and outdoor environments, the image processing method includes a step of generating first foreground likelihood from a visible light image, a step of generating second foreground likelihood from a depth image in which the same object is captured as that in the visible light image, a step of generating reliability of the depth image using at least the visible light image and the depth image, and a step of determining foreground likelihood of the object based on the first foreground likelihood and the second foreground likelihood, using the reliability of the depth image as a weight.
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20.发明申请公开(公告)号：US20250080857A1
公开(公告)日：2025-03-06
申请号：US18723902
申请日：2022-03-01
Applicant: NEC Corporation
Inventor： Chisato FUNAYAMA , Masato TSUKADA
Abstract: An information processing system includes: a reference image acquiring unit that acquires a reference image; a bracketing unit that controls a camera to perform bracketing based on the reference image; a histogram acquiring unit that acquires a histogram of the reference image; and an additional imaging unit that controls the camera to perform additional imaging with a set value different from that of the bracketing imaging, on the basis of the histogram of the reference image. According to such an information processing system, it is possible to capture an appropriate image, regardless of an imaging environment.
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