Patents by Inventor Keiichi Chono
Keiichi Chono has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240129482Abstract: The video coding device is a video coding device capable of executing a predictive coding process including a specific process in which a coded frame of a different resolution from a resolution of a frame to be processed is used as a reference frame, and includes a coding unit which executes the predictive coding process, and a controller which prohibits, in the predictive coding process, execution of a first process which uses information, which is determined based on a spatial position of the block to be coded, on blocks in frames at different times, a second process which performs correction using information computed when decoding is performed, or both the first process and the second process.Type: ApplicationFiled: October 10, 2023Publication date: April 18, 2024Applicant: NEC CorporationInventors: Kenta IIDA, Kenta TOKUMITSU, Tatsuji MORIYOSHI, Keiichi CHONO
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Patent number: 11961329Abstract: 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.Type: GrantFiled: May 22, 2023Date of Patent: April 16, 2024Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori
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Patent number: 11955211Abstract: A first-aid information provision system of the example embodiments includes: an information display device that includes first capture means for capturing an iris image, code acquisition means for acquiring a code associated with the captured iris image, and code display means for displaying the acquired code; and an information output device that includes second capture means for imaging the code displayed by the information display device, first-aid information acquisition means for acquiring first-aid information about an individual associated with the iris image by using the imaged code, and first-aid information output means for outputting the first-aid information.Type: GrantFiled: October 15, 2018Date of Patent: April 9, 2024Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori, Toru Takahashi
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Publication number: 20240107009Abstract: The video coding device calculates a first value representing energy of the prediction error signals of the block to be processed, eliminates specified transform coefficients when at least one of a width and a height of the block to be processed exceeds a predetermined value and calculates a second value representing energy of the transform coefficients other than the eliminated transform coefficients, and decides not to make the candidate of prediction mode the optimal prediction mode, without executing quantizing, arithmetic-coding and local decoding, in a case where the second value is smaller than a predetermined degree as compared to the first value.Type: ApplicationFiled: December 6, 2021Publication date: March 28, 2024Applicant: NEC CorporationInventors: Kenta IIDA, Keiichi Chono
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Patent number: 11943449Abstract: A video decoding device for decoding video using inter prediction includes entropy decoding means for decoding an inter-PU partition type syntax; and decoding control means for making the entropy decoding means decode the inter-PU (Prediction Unit) partition type syntax of a CU (Coding Unit) to be decoded, based on whether the prediction mode of the CU to be decoded is an inter prediction mode and whether a size of the CU to be decoded is equal to a predetermined minimum inter-PU size.Type: GrantFiled: January 19, 2023Date of Patent: March 26, 2024Assignee: NEC CORPORATIONInventors: Kenta Senzaki, Yuzo Senda, Keiichi Chono, Hirofumi Aoki
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Patent number: 11935328Abstract: Iris image pick-up devices have the same field of view and are disposed at mutually different positions. An overall image pick-up device performs image pick-up over a wide field of view. A guiding device guides a subject. An illumination device illuminates the subject with light. The controller controls, using an image from the overall image pick-up device, at least one of reading out an image from the iris image pick-up devices, presenting at least of an image and a sound through the guiding device, or providing illumination with light from the illumination device.Type: GrantFiled: February 12, 2020Date of Patent: March 19, 2024Assignee: NEC CORPORATIONInventors: Keiichi Chono, Takahiro Toizumi, Masato Tsukada
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Patent number: 11936963Abstract: An imaging device according to this disclosure includes: a visible light camera that captures an image of a face of a person to be authenticated; a plurality of infrared light cameras that is provided on a housing with the visible light camera and captures an image of an iris of the person to be authenticated; and an optical filter that is provided on the housing so as to cover a light receiving surface of each of the plurality of infrared light cameras and not to cover a light receiving surface of the visible light camera, and has a pass band in an infrared region and a blocking band in a visible region.Type: GrantFiled: November 5, 2019Date of Patent: March 19, 2024Assignee: NEC CORPORATIONInventors: Yuka Ogino, Keiichi Chono
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Publication number: 20240078780Abstract: 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).Type: ApplicationFiled: November 15, 2023Publication date: March 7, 2024Applicant: NEC CorporationInventors: Keiichi CHONO, Ryuichi AKASHI, Yuka OGINO
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Patent number: 11895110Abstract: Provided are a system, a method, and the like which contribute to more reliably and smoothly providing information relating to an authentication result to a person who has been subjected to authentication. An information provision system according to an embodiment of the present invention comprises: an authentication unit which authenticates an authentication subject, who is to be subjected to authentication, using a captured image of the authentication subject; a determination unit which, in accordance with information about the authentication subject or the conditions of the authentication subject, determines the transmission destination to which information relating to the authentication result is to be transmitted in order to notify the authentication subject of the authentication result; and a transmission unit which transmits the information to the determined transmission destination.Type: GrantFiled: November 21, 2018Date of Patent: February 6, 2024Assignee: NEC CORPORATIONInventors: Chisato Funayama, Masato Tsukada, Keiichi Chono, Yuka Ogino, Hiroshi Imai, Shoji Yachida, Takashi Shibata
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Publication number: 20240037989Abstract: 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.Type: ApplicationFiled: October 11, 2023Publication date: February 1, 2024Applicant: NEC CorporationInventors: Keiichi Chono, Yuka Ogino, Ryuichi Akashi
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Publication number: 20240037990Abstract: 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.Type: ApplicationFiled: October 11, 2023Publication date: February 1, 2024Applicant: NEC CorporationInventors: Keiichi Chono, Yuka Ogino, Ryuichi Akashi
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Patent number: 11887349Abstract: 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.Type: GrantFiled: March 26, 2019Date of Patent: January 30, 2024Assignee: NEC CORPORATIONInventors: Masato Tsukada, Hiroshi Imai, Chisato Funayama, Yuka Ogino, Ryuichi Akashi, Keiichi Chono, Emi Inui, Yasuhiko Yoshida, Hiroshi Yamada, Shoji Yachida, Takashi Shibata
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Patent number: 11861943Abstract: 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.Type: GrantFiled: June 26, 2019Date of Patent: January 2, 2024Assignee: NEC CORPORATIONInventors: Keiichi Chono, Yuka Ogino, Ryuichi Akashi
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Patent number: 11848077Abstract: A first-aid information provision system of the example embodiments includes: an information display device that includes first capture means for capturing an iris image, code acquisition means for acquiring a code associated with the captured iris image, and code display means for displaying the acquired code; and an information output device that includes second capture means for imaging the code displayed by the information display device, first-aid information acquisition means for acquiring first-aid information about an individual associated with the iris image by using the imaged code, and first-aid information output means for outputting the first-aid information.Type: GrantFiled: February 25, 2022Date of Patent: December 19, 2023Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori, Toru Takahashi
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Patent number: 11837335Abstract: A first-aid information provision system of the example embodiments includes: an information display device that includes first capture means for capturing an iris image, code acquisition means for acquiring a code associated with the captured iris image, and code display means for displaying the acquired code; and an information output device that includes second capture means for imaging the code displayed by the information display device, first-aid information acquisition means for acquiring first-aid information about an individual associated with the iris image by using the imaged code, and first-aid information output means for outputting the first-aid information.Type: GrantFiled: February 25, 2022Date of Patent: December 5, 2023Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori, Toru Takahashi
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Patent number: 11837030Abstract: 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.Type: GrantFiled: September 28, 2018Date of Patent: December 5, 2023Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori
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Publication number: 20230377371Abstract: 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 5 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.Type: ApplicationFiled: July 28, 2023Publication date: November 23, 2023Applicant: NEC CorporationInventors: Keiichi CHONO, Masato TSUKADA, Chisato FUNAYAMA, Ryuichi AKASHI, Yuka OGINO, Takashi SHIBATA, Shoji YACHIDA, Hiroshi IMAI, Emi KITAGAWA, Yasuhiko YOSHIDA, Yusuke MORI
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Publication number: 20230368582Abstract: 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.Type: ApplicationFiled: July 12, 2023Publication date: November 16, 2023Applicant: NEC CorporationInventors: Takashi SHIBATA, Shoji YACHIDA, Chisato FUNAYAMA, Masato TSUKADA, Yuka OGINO, Keiichi CHONO, Emi KITAGAWA, Yasuhiko YOSHIDA, Yusuke MORI
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Publication number: 20230368583Abstract: 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.Type: ApplicationFiled: July 12, 2023Publication date: November 16, 2023Applicant: NEC CorporationInventors: Takashi SHIBATA, Shoji YACHIDA, Chisato FUNAYAMA, Masato TSUKADA, Yuka OGINO, Keiichi CHONO, Emi KITAGAWA, Yasuhiko YOSHIDA, Yusuke MORI
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Patent number: 11816927Abstract: 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.Type: GrantFiled: September 18, 2019Date of Patent: November 14, 2023Assignee: NEC CORPORATIONInventors: Keiichi Chono, Masato Tsukada, Chisato Funayama, Ryuichi Akashi, Yuka Ogino, Takashi Shibata, Shoji Yachida, Hiroshi Imai, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori