公开(公告)号：US12033433B2

公开(公告)日：2024-07-09

申请号：US17621760

申请日：2019-06-25

Applicant: NEC Corporation

Inventor： Keiichi Chono ,  Masato Tsukada ,  Chisato Funayama ,  Takahiro Toizumi ,  Yuka Ogino ,  Ryuichi Akashi ,  Ryo Yamakabe

IPC: G06V40/19

CPC classification number: G06V40/19

Abstract: 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：US20240037989A1

公开(公告)日：2024-02-01

申请号：US18484592

申请日：2023-10-11

Applicant: NEC Corporation

Inventor： Keiichi Chono ,  Yuka Ogino ,  Ryuichi Akashi

IPC: G06V40/18 ,  G06V10/141

CPC classification number: G06V40/197 ,  G06V10/141

Abstract: 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.

公开(公告)号：US11887349B2

公开(公告)日：2024-01-30

申请号：US17439898

申请日：2019-03-26

Applicant: NEC Corporation

Inventor： Masato Tsukada ,  Hiroshi Imai ,  Chisato Funayama ,  Yuka Ogino ,  Ryuichi Akashi ,  Keiichi Chono ,  Emi Inui ,  Yasuhiko Yoshida ,  Hiroshi Yamada ,  Shoji Yachida ,  Takashi Shibata

IPC: G06V10/25 ,  G06V10/60 ,  G06V40/18 ,  A61B5/06 ,  A61B5/16

CPC classification number: G06V10/25 ,  A61B5/16 ,  G06V10/60 ,  G06V40/18

Abstract: An image acquisition unit (2) acquires an image obtained by capturing at least eyes of a target person. An object specifying unit (4) specifies an object in a line-of-sight direction of the target person using the acquired image. An incident light amount calculation unit (6) calculates an incident light amount representing an amount of light incident on the eyes of the target person using the acquired image. A reference pupil size determination unit (8) determines a reference pupil size based on the calculated incident light amount. A pupil size calculation unit (10) calculates a pupil size of the target person using the acquired image. An interest determination unit (12) determines an interest of the target person in the object by comparing the determined reference pupil size with the calculated pupil size.

公开(公告)号：US11816928B2

公开(公告)日：2023-11-14

申请号：US17683620

申请日：2022-03-01

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

IPC: G06V40/19 ,  G06V40/50 ,  G06V40/18

CPC classification number: G06V40/19 ,  G06V40/18 ,  G06V40/50

Abstract: An information providing device according to one aspect of the present disclosure includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: receive a face image; determine whether a person in the face image is unsuitable for iris data acquisition based on the face image; and output information based on determining that the person is unsuitable for the iris data acquisition when the person is determined to be unsuitable for the iris data acquisition.

公开(公告)号：US11729501B2

公开(公告)日：2023-08-15

申请号：US17982806

申请日：2022-11-08

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

IPC: H04N23/67 ,  G03B13/36 ,  H04N23/667

CPC classification number: H04N23/671 ,  G03B13/36 ,  H04N23/667

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.

公开(公告)号：US20220270406A1

公开(公告)日：2022-08-25

申请号：US17621760

申请日：2019-06-25

Applicant: NEC Corporation

Inventor： Keiichi CHONO ,  Masato Tsukada ,  Chisato Funayama ,  Takahiro Toizumi ,  Yuka Ogino ,  Ryuichi Akashi ,  Ryo Yamakabe

IPC: G06V40/19

Abstract: 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.