Patents by Inventor Ryo Yamakabe

Ryo Yamakabe 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).

  • Patent number: 12146787
    Abstract: The optical control apparatus includes a light source, a light collecting section, and an optical path control section. The light source emits light. The light collecting section collects the light emitted from the light source and illuminates the light onto an object.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: November 19, 2024
    Assignee: NEC CORPORATION
    Inventors: Ryuichi Akashi, Ryo Yamakabe, Yuka Ogino, Takahiro Toizumi, Chisato Funayama, Keiichi Chono, Masato Tsukada
  • Patent number: 12033433
    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.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: July 9, 2024
    Assignee: NEC CORPORATION
    Inventors: Keiichi Chono, Masato Tsukada, Chisato Funayama, Takahiro Toizumi, Yuka Ogino, Ryuichi Akashi, Ryo Yamakabe
  • Patent number: 12010422
    Abstract: 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 inform
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: June 11, 2024
    Assignee: NEC CORPORATION
    Inventors: Ryo Yamakabe, Yuka Ogino, Keiichi Chono
  • Publication number: 20240153311
    Abstract: 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 IL 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.
    Type: Application
    Filed: August 31, 2021
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Ryuichi AKASHI, Kosuke YOSHIMI, Yuka OGINO, Ryo YAMAKABE
  • Publication number: 20240153310
    Abstract: 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.
    Type: Application
    Filed: September 14, 2021
    Publication date: May 9, 2024
    Applicant: NEC Corporation
    Inventors: Ryo YAMAKABE, Ryuichi AKASHl, Yuka OGINO, Kosuke YOSHIMI, Masato TSUKADA
  • Publication number: 20230100016
    Abstract: 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 inform
    Type: Application
    Filed: February 28, 2020
    Publication date: March 30, 2023
    Applicant: NEC Corporation
    Inventors: Ryo YAMAKABE, Yuka OGINO, Keiichi CHONO
  • Publication number: 20230027196
    Abstract: The optical control apparatus includes a light source, a light collecting section, and an optical path control section. The light source emits light. The light collecting section collects the light emitted from the light source and illuminates the light onto an object.
    Type: Application
    Filed: December 16, 2019
    Publication date: January 26, 2023
    Applicant: NEC Corporation
    Inventors: Ryuichi Akashi, Ryo Yamakabe, Yuka Ogino, Takahiro Toizumi, Chisato Funayama, Keiichi Chono, Masato Tsukada
  • Publication number: 20220383658
    Abstract: 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.
    Type: Application
    Filed: November 5, 2019
    Publication date: December 1, 2022
    Applicants: NEC Corporation, NEC Platforms, Ltd.
    Inventors: Toshinobu OGATSU, Ryoma OAMI, Toshiyuki SASHIHARA, Takamichi MIYAMOTO, Ryuichi AKASHI, Ryo YAMAKABE, Daisuke SHIMADA
  • Publication number: 20220270406
    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.
    Type: Application
    Filed: June 25, 2019
    Publication date: August 25, 2022
    Applicant: NEC Corporation
    Inventors: Keiichi CHONO, Masato Tsukada, Chisato Funayama, Takahiro Toizumi, Yuka Ogino, Ryuichi Akashi, Ryo Yamakabe