Patents by Inventor Kenkichi Hayashi

Kenkichi Hayashi 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: 11294145
    Abstract: An imaging device derives a change amount of image magnification corresponding to each of a plurality of F-numbers in an autofocus area on the basis of a reference value of the change amount of the image magnification in accordance with a change in position of a focus lens for each of the plurality of F-numbers, in a case where autofocus is executed; determines, as a limit F-number, an F-number corresponding to any change amount equal to or less than a threshold value of the allowed change amount of the image magnification among the derived change amounts; and sets an F-number as the limit F-number in a case where the F-number obtained from a subject luminance in a case where autofocus is executed exceeds the determined limit F-number.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: April 5, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Uchida, Koichi Tanaka, Kenkichi Hayashi, Shinichiro Fujiki, Seiichi Izawa
  • Publication number: 20220094935
    Abstract: Provided are an image processing device capable of performing compression processing on a video captured in each video capturing mode according to a first video capturing mode and a second video capturing mode with different capturing conditions. A possible range of a quantization parameter applied in a case where the video is compressed is made different in the first video capturing mode and the second video capturing mode with different capturing conditions. The quantization parameter is determined within a first range in a case of the first video capturing mode, and the quantization parameter is determined within a second range narrower than the first range in a case of the second video capturing mode. In particular, a second upper limit value of the second range is smaller than a first upper limit value of the first range, and a second lower limit value of the second range is larger than a first lower limit value of the first range.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Yukinori NISHIYAMA, Tetsu WADA, Koichi TANAKA, Tetsuya FUJIKAWA, Kenkichi HAYASHI
  • Patent number: 11269249
    Abstract: The optical system having an imaging lens that images a first-plane and a second-plane which are discontinuous includes: a first-optical-system that images the first-plane; a second-optical-system that images the second-plane; and a common-optical-system that forms a subject image, which is incident through the first-optical-system, on the first-light-receiving-region of the image sensor and forms a subject image, which is incident through the second-optical-system, on the second-light-receiving-region of the image sensor. In the optical system, an angle of view, at which imaging is performed by the first-optical-system and the common-optical-system, overlaps with an angle of view, at which imaging is performed by the second-optical-system and the common-optical-system.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: March 8, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Kazuyoshi Okada, Kenkichi Hayashi, Yasunobu Kishine
  • Patent number: 11223826
    Abstract: Provided are an image processing device capable of performing compression processing on a video captured in each video capturing mode according to a first video capturing mode and a second video capturing mode with different capturing conditions. A possible range of a quantization parameter applied in a case where the video is compressed is made different in the first video capturing mode and the second video capturing mode with different capturing conditions. The quantization parameter is determined within a first range in a case of the first video capturing mode, and the quantization parameter is determined within a second range narrower than the first range in a case of the second video capturing mode. In particular, a second upper limit value of the second range is smaller than a first upper limit value of the first range, and a second lower limit value of the second range is larger than a first lower limit value of the first range.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: January 11, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Yukinori Nishiyama, Tetsu Wada, Koichi Tanaka, Tetsuya Fujikawa, Kenkichi Hayashi
  • Publication number: 20210352199
    Abstract: The lens interchangeable digital camera includes a sensor movement type shake correction mechanism that performs a sensor movement operation of moving an image sensor in a direction to cancel a shake. A characteristic data acquisition unit acquires optical characteristic data corresponding to optical characteristics of an imaging optical system of a lens unit mounted on a body mount. A determination unit determines whether or not adaptive optical characteristic data that can be handled by an image correction unit that performs image correction based on the optical characteristic data can be acquired. An operation deciding unit prohibits a shift operation which is at least a part of a sensor movement operation in an uncorrectable state where the image correction based on the adaptive optical characteristic data is not possible since the adaptive optical characteristic data cannot be acquired.
    Type: Application
    Filed: July 22, 2021
    Publication date: November 11, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Koichi TANAKA, Akihiro UCHIDA, Kenkichi HAYASHI, Seiichi IZAWA, Hideo KOBAYASHI
  • Publication number: 20210329161
    Abstract: An image capturing device includes an image capturing section that captures first video data having a frame cycle of a first frame cycle and an exposure time for one frame shorter than the first frame cycle, an image acquisition section that acquires the first video data captured by the image capturing section, a detection section that detects a flicker of a light source in the first video data, and an image capturing frame cycle control section that controls the frame cycle of the image capturing in the image capturing section. The image capturing frame cycle control section changes the frame cycle of the first video data captured by the image capturing section from the first frame cycle to a second frame cycle, which is a frame cycle shorter than the first frame cycle, in a case where the detection section detects the flicker.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuya Fujikawa, Yukinori Nishiyama, Koichi Tanaka, Tetsu Wada, Kenkichi Hayashi
  • Patent number: 11115593
    Abstract: The lens interchangeable digital camera includes a sensor movement type shake correction mechanism that performs a sensor movement operation of moving an image sensor in a direction to cancel a shake. A characteristic data acquisition unit acquires optical characteristic data corresponding to optical characteristics of an imaging optical system of a lens unit mounted on a body mount. A determination unit determines whether or not adaptive optical characteristic data that can be handled by an image correction unit that performs image correction based on the optical characteristic data can be acquired. An operation deciding unit prohibits a shift operation which is at least a part of a sensor movement operation in an uncorrectable state where the image correction based on the adaptive optical characteristic data is not possible since the adaptive optical characteristic data cannot be acquired.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 7, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Tanaka, Akihiro Uchida, Kenkichi Hayashi, Seiichi Izawa, Hideo Kobayashi
  • Patent number: 11100614
    Abstract: An image processing device includes a transfer function input unit to which each of transfer functions of a plurality of imaging systems is input, a calculation unit that calculates a target resolution value which is a target value of recovery processing that recovers a plurality of captured images to be output from each of the plurality of the imaging systems based on the input transfer functions and a predetermined criterion, a recovery-filter generation unit that generates a recovery-filter used for the recovery processing with respect to each of the plurality of imaging systems based on the transfer functions of the plurality of imaging systems and a target resolution value, and a recovered image generation unit that performs the recovery processing with respect to the captured images acquired from the plurality of imaging systems by using the recovery-filter generated for each of the plurality of imaging systems to generate recovered images.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: August 24, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Naruse, Yasunobu Kishine, Kenkichi Hayashi, Yoshiaki Ishii
  • Patent number: 11061200
    Abstract: Provided are an imaging apparatus, an image processing apparatus, an image processing method, and a non-transitory computer readable recording medium storing an image processing program capable of appropriately correcting both of focus breathing and distortion. Focus breathing is corrected by subjecting image data to magnification/reduction processing according to a magnification/reduction rate determined for each focus position. Distortion is corrected through image processing to the image data with focus breathing corrected. In correcting distortion, distortion appearing in image data after correction of focus breathing is corrected.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 13, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kenkichi Hayashi, Yosuke Naruse, Yasunobu Kishine, Daiki Komatsu
  • Publication number: 20210185228
    Abstract: An imaging device according to a first aspect of the present invention includes an imaging section that captures a video, a static image file generation section that extracts a first frame from a plurality of frames constituting the video and generates a static image file, a video file generation section that divides the video in accordance with the generation of the static image file to generate a plurality of video files, and a storage section that stores the static image file in association with a first video file that includes the first frame among the plurality of video files.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsu WADA, Kenkichi HAYASHI, Koichi TANAKA, Yukinori NISHIYAMA, Tetsuya FUJIKAWA
  • Publication number: 20210176470
    Abstract: Provided are an image processing device capable of performing compression processing on a video captured in each video capturing mode according to a first video capturing mode and a second video capturing mode with different capturing conditions. A possible range of a quantization parameter applied in a case where the video is compressed is made different in the first video capturing mode and the second video capturing mode with different capturing conditions. The quantization parameter is determined within a first range in a case of the first video capturing mode, and the quantization parameter is determined within a second range narrower than the first range in a case of the second video capturing mode. In particular, a second upper limit value of the second range is smaller than a first upper limit value of the first range, and a second lower limit value of the second range is larger than a first lower limit value of the first range.
    Type: Application
    Filed: February 23, 2021
    Publication date: June 10, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yukinori NISHIYAMA, Tetsu WADA, Koichi TANAKA, Tetsuya FUJIKAWA, Kenkichi HAYASHI
  • Publication number: 20210174090
    Abstract: An imaging device including an image sensor that captures a video; and a processor configured to extract a first frame from a plurality of frames constituting the video captured by the image sensor to generate a first static image file, generate a video file constituted of a plurality of frames including the first frame from the video, and store the video file, the first static image file, and additional information indicating a position of the first frame in the video file.
    Type: Application
    Filed: February 23, 2021
    Publication date: June 10, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuya FUJIKAWA, Yukinori NISHIYAMA, Koichi TANAKA, Tetsu WADA, Kenkichi HAYASHI
  • Patent number: 11019256
    Abstract: An image processing system includes: a plurality of imaging devices each of which includes an image processing unit that executes image processing including development processing of RAW data obtained by imaging; and an information processing device that acquires power supply information regarding power supply states of the plurality of imaging devices, selects the imaging device that executes the development processing according to the power supply state represented by the acquired power supply information, and causes the selected imaging device to execute the development processing.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: May 25, 2021
    Assignee: FUJIFILM CORPORATION
    Inventors: Kenkichi Hayashi, Masahiro Terada
  • Patent number: 10931888
    Abstract: An image processing device includes a transfer function input unit to which each of transfer functions of a plurality of imaging-systems is input, a calculation unit that calculates a target resolution value which is a target value of recovery processing that recovers a plurality of captured images to be output from each of the plurality of the imaging-systems based on each of the input transfer functions and a predetermined criterion, a recovery filter generation unit that generates a recovery filter used for the recovery processing with respect to each of the plurality of imaging-systems based on each of the transfer functions of the plurality of imaging-systems and a target resolution value, and a recovered image generation unit that performs the recovery processing with respect to the captured images acquired from the plurality of imaging-systems by using the recovery filter generated for each of the plurality of imaging-systems to generate recovered images.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: February 23, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Naruse, Yasunobu Kishine, Kenkichi Hayashi, Yoshiaki Ishii
  • Patent number: 10904441
    Abstract: An imaging device includes: a lens-side suppression unit that moves an anti-vibration lens, which is provided in an interchangeable imaging lens mounted on an imaging device body including an imaging element, to a position, which is determined according to a detection result of a detection unit detecting vibration applied to a device, to suppress an influence of the vibration on a subject image; an imaging element-side suppression unit that moves the imaging element to suppress a shift in an angle of view caused by the movement of the anti-vibration lens; and a control unit that performs control on the lens-side suppression unit to limit a movable range of the anti-vibration lens, which is moved by the lens-side suppression unit, on the basis of the amount of the maximum shift in the angle of view caused by the movement of the imaging element performed by the imaging element-side suppression unit.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: January 26, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Koichi Tanaka, Seiichi Izawa, Akihiro Uchida, Hideo Kobayashi, Kenkichi Hayashi
  • Publication number: 20210014414
    Abstract: An image processing system includes: a plurality of imaging devices each of which includes an image processing unit that executes image processing including development processing of RAW data obtained by imaging; and an information processing device that acquires power supply information regarding power supply states of the plurality of imaging devices, selects the imaging device that executes the development processing according to the power supply state represented by the acquired power supply information, and causes the selected imaging device to execute the development processing.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 14, 2021
    Inventors: Kenkichi HAYASHI, Masahiro TERADA
  • Publication number: 20210006729
    Abstract: A focusing control device that moves a position of a focus lens included in an imaging lens along an optical axis direction. The device comprises a processor configured to execute a process.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Koichi TANAKA, Kenkichi HAYASHI, Akihiro UCHIDA, Seiichi IZAWA, Shinichiro FUJIKI
  • Publication number: 20200409026
    Abstract: An imaging device stores a focal length and a position of a focus lens in a storage unit in a case in which a focal state is determined to be a focus state in which a subject is in focus and at least one of the imaging device or the subject is determined to be stationary; generates tracking data for changing the position of the focus lens according to a change in focal length, using a plurality of stored focal lengths and a plurality of stored positions of the focus lens; and performs a zoom tracking control using the generated tracking data.
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Shinichiro FUJIKI, Akihiro UCHIDA, Koichi TANAKA, Kenkichi HAYASHI, Seiichi IZAWA
  • Patent number: 10880473
    Abstract: Provided are an imaging apparatus, a signal processing method for an imaging apparatus, and a non-transitory computer readable recording medium storing a signal processing program for an imaging apparatus capable of capturing a high quality image with a compact configuration. An imaging lens 10A is composed of, in order from an object side, a first lens group G1 that is fixed during variable magnification, a second lens group G2 and a third lens group G3 that move during variable magnification, and a fourth lens group G4 that is fixed during variable magnification. The first lens group G1 is composed, in order from the object side, a first-a lens group G1a that is fixed during focusing, a first-b lens group G1b that moves during focusing, and a first lens group rear group G1c that is fixed during focusing. Fluctuation of an angle of view with focusing is corrected through image processing.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: December 29, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Daiki Komatsu, Yosuke Naruse, Kenkichi Hayashi, Yoshiaki Ishii, Yasunobu Kishine
  • Publication number: 20200348490
    Abstract: An imaging device derives a change amount of image magnification corresponding to each of a plurality of F-numbers in an autofocus area on the basis of a reference value of the change amount of the image magnification in accordance with a change in position of a focus lens for each of the plurality of F-numbers, in a case where autofocus is executed; determines, as a limit F-number, an F-number corresponding to any change amount equal to or less than a threshold value of the allowed change amount of the image magnification among the derived change amounts; and sets an F-number as the limit F-number in a case where the F-number obtained from a subject luminance in a case where autofocus is executed exceeds the determined limit F-number.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro UCHIDA, Koichi TANAKA, Kenkichi HAYASHI, Shinichiro FUJIKI, Seiichi IZAWA