Patents by Inventor Hitoshi SAKURABU

Hitoshi SAKURABU 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).

  • Publication number: 20210314483
    Abstract: Provided is an imaging element in which a first frame rate is a frame rate higher than a second frame rate, and a first processor is configured to read out image data of a plurality of frames in parallel within an output period of image data of one frame defined by the second frame rate, acquire a focus driving speed and a rolling shift amount, decide a combining condition for the image data of the plurality of frames stored in a memory based on the acquired focus driving speed and the rolling shift amount, perform combining processing on the image data of the plurality of frames in accordance with the decided combining condition, and output the image data after combining obtained by the combining processing.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI, Makoto KOBAYASHI
  • Publication number: 20210314535
    Abstract: An imaging apparatus includes a storage portion that stores captured image data obtained by imaging a subject by an imaging element and is incorporated in the imaging element, an output portion that is incorporated in the imaging element, and a plurality of signal processing portions that are disposed outside the imaging element, in which the output portion includes a plurality of output lines each disposed in correspondence with each of the plurality of signal processing portions and outputs each of a plurality of pieces of image data into which the captured image data stored in the storage portion is divided, to a corresponding signal processing portion among the plurality of signal processing portions from the plurality of output lines, and any of the plurality of signal processing portions combines the plurality of pieces of image data.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Makoto KOBAYASHI, Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU
  • Publication number: 20210314487
    Abstract: An imaging element incorporates a reading portion that reads out captured image data at a first frame rate, a storage portion that stores the image data, a processing portion that processes the image data, and an output portion that outputs the processed image data at a second frame rate lower than the first frame rate. The reading portion reads out the image data of each of a plurality of frames in parallel. The storage portion stores, in parallel, each image data read out in parallel by the reading portion. The processing portion performs generation processing of generating output image data of one frame using the image data of each of the plurality of frames stored in the storage portion.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Inventors: Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Publication number: 20210314486
    Abstract: An imaging element incorporates a memory and a processor. The memory stores image data obtained by imaging a subject at a first frame rate. The processor is configured to derive a degree of difference between first image data obtained as the image data by performing imaging and second image data that is obtained as the image data earlier than the first image data and stored in the storage portion, and perform processing of deciding at least one of the first image data or the second image data as the output image data in a case where the derived degree of difference is greater than or equal to a threshold value. The processor is configured to output the decided output image data at a second frame rate.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Publication number: 20210314495
    Abstract: An imaging element includes a storage portion that stores image data obtained by imaging a subject at a first frame rate and is incorporated in the imaging element, a processing portion that is incorporated in the imaging element and configured to perform processing using the image data, and an output portion that outputs output image data based on the image data at a second frame rate depending on a processing result of the processing portion and is incorporated in the imaging element, in which the first frame rate is greater than or equal to the second frame rate, and the processing portion performs processing of deriving an evaluation value indicating a degree of focusing for the image data stored in the storage portion and changing the second frame rate based on the derived evaluation value.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU, Makoto KOBAYASHI
  • Patent number: 11122223
    Abstract: An imaging element includes a reading circuit, a memory that is capable of storing read captured image data, and an output circuit that outputs output image data based on the captured image data to an outside, in which the reading circuit reads out the captured image data using a first reading method or a second reading method having a smaller read data amount than the first reading method, in a case of the first reading method, a first frame rate corresponds to a second frame rate, in a case of the second reading method, the first frame rate is a frame rate lower than in the case of the first reading method, and the first and second reading methods are switched in accordance with a motion of a subject.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: September 14, 2021
    Assignee: FUJIFILM CORPORATION
    Inventors: Ryo Hasegawa, Tomoyuki Kawai, Hitoshi Sakurabu
  • Patent number: 11102419
    Abstract: An imaging control device includes: a brightness measurer that acquires a first captured image signal obtained from an imager imaging a subject through a focus lens, and obtains brightness of each of divided areas of a focusing target area set in the first captured image signal; an imaging condition controller that controls an imaging condition of the imager to a state where brightness of a lowest divided area which is one of the divided areas having lowest brightness is set to the set value; a transmittance controller that decreases brightness of other divided areas than the lowest divided area by controlling light transmittance of the areas corresponding to the other divided areas; and a focusing controller that performs focusing control for the focus lens based on the focusing target area of a second captured image signal in a specific state.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: August 24, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hitoshi Sakurabu, Makoto Kobayashi, Ryo Hasegawa, Tomonori Masuda
  • Patent number: 11095845
    Abstract: A system control unit consecutively images a subject by driving based on a global shutter method, divides captured image data obtained by the imaging into a plurality of areas, and each time each area is generated, compares the generated area with the same area as the area in the captured image data generated by the imaging performed before the imaging, and detects a moving object from the area based on a result of the comparison. Based on a change in position of the detected moving object, the system control unit predicts a timing at which a trigger range TR set in the captured image overlaps with the moving object, and performs automatic imaging in a frame period that includes the timing.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: August 17, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hitoshi Sakurabu, Makoto Kobayashi, Ryo Hasegawa, Tomonori Masuda
  • Patent number: 11082623
    Abstract: An imaging control device includes: a transmittance control unit that controls transmittance of each of a plurality of regions in an optical element for controlling a quantity of light incident on an imaging element to a different value; an imaging control unit that causes the imaging element to perform imaging for light measurement in a state where the transmittance of each of the plurality of regions is controlled to the different value; a light measurement processing unit that measures brightness of a subject based on a captured image signal obtained from the imaging element by the imaging for light measurement; an image processing unit that generates image data for display from the captured image signal obtained by the imaging for light measurement; and an output unit that outputs the image data for display to a display unit displaying an image.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 3, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Masuda, Hitoshi Sakurabu, Ryo Hasegawa, Makoto Kobayashi
  • Publication number: 20210203831
    Abstract: An imaging element incorporates a processing circuit and a memory. The memory stores captured image data obtained by imaging a subject at a first frame rate. The processing circuit performs processing based on the captured image data stored in the memory. An output circuit outputs output image data based on the captured image data to an outside of the imaging element at a second frame rate. The first frame rate is a frame rate higher than the second frame rate and is determined in accordance with an occurrence cycle of a flicker, and the processing circuit detects a flicker effect avoidance timing at which an effect of the flicker on imaging by the imaging element is avoided, based on the captured image data of a plurality of frames.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 1, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI
  • Publication number: 20210203874
    Abstract: An imaging element includes: a processing circuit that performs analog/digital conversion on captured image data; a memory that is capable of storing the captured image data obtained as a result of performing the analog/digital conversion by the processing circuit; and an output circuit that outputs output image data based on the captured image data to an exterior of the imaging element, wherein the output circuit includes a first output line and a second output line, the first output line is connected to a first signal processing circuit disposed at the exterior, the second output line is connected to a second signal processing circuit disposed at the exterior, and at least one of an output frame rate or an output data amount of the output image data is different between the first output line and the second output line.
    Type: Application
    Filed: March 9, 2021
    Publication date: July 1, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU
  • Publication number: 20210185272
    Abstract: An imaging element includes: a memory that stores captured image data obtained by imaging a subject at a first frame rate; an image processing circuit that performs processing on the captured image data; and an output circuit that outputs output image data obtained by performing the processing on the captured image data to an exterior of the imaging element at a second frame rate, wherein the image processing circuit performs cut-out processing with respect to one frame of the captured image data, the cut-out processing including cutting out partial image data indicating an image of a part of the subject in the captured image data from a designated address in the memory, the output image data includes image data based on the partial image data that is cut out from the captured image data, and the first frame rate is a frame rate higher than the second frame rate.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Inventors: Hitoshi SAKURABU, Ryo HASEGAWA, Tomoyuki KAWAI
  • Publication number: 20210176406
    Abstract: An imaging element includes a memory that stores captured image data obtained by imaging a subject at a first frame rate and is incorporated in the imaging element, a imaging processing circuit that performs processing on the captured image data, and an output circuit that outputs at least one of the captured image data or processed image data to an outside of the imaging element, and is incorporated in the imaging element, in which the imaging processing circuit generates, in accordance with a degree of difference between first captured image data obtained by imaging and second captured image data stored in the memory, compressed image data obtained by compressing the first captured image data by dividing the first captured image data into a plurality of bit ranges, and the output circuit outputs the compressed image data to the outside as the processed image data at a second frame rate.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 10, 2021
    Inventors: Tomoyuki KAWAI, Ryo HASEGAWA, Hitoshi SAKURABU
  • Publication number: 20210168308
    Abstract: An imaging element includes a reading circuit, a memory that is capable of storing read captured image data, and an output circuit that outputs output image data based on the captured image data to an outside, in which the reading circuit reads out the captured image data using a first reading method or a second reading method having a smaller read data amount than the first reading method, in a case of the first reading method, a first frame rate corresponds to a second frame rate, in a case of the second reading method, the first frame rate is a frame rate lower than in the case of the first reading method, and the first and second reading methods are switched in accordance with a motion of a subject.
    Type: Application
    Filed: February 15, 2021
    Publication date: June 3, 2021
    Inventors: Ryo HASEGAWA, Tomoyuki KAWAI, Hitoshi SAKURABU
  • Patent number: 10992872
    Abstract: An imaging control device includes: a controller that causes an imager to perform first imaging and further perform second imaging a plurality of times; and a dark image signal acquirer, the controller causes the imager to perform the second imaging in each of a plurality of exposure states where a quantity of light incident on the imager is greater than 0 and is different for each of the exposure states, by controlling the optical element, and the controller obtains, by controlling the movable lens at a time of the second imaging, a state where a first imaging condition value determined by a control state of the movable lens at the time of the second imaging is different from a second imaging condition value determined by a control state of the movable lens at a time of the first imaging.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Hasegawa, Makoto Kobayashi, Hitoshi Sakurabu, Tomonori Masuda
  • Patent number: 10979650
    Abstract: An imaging control device includes: an imaging controller that obtains captured image data by controlling an imager imaging a subject through an optical element having variable transmittance of light; a flicker detector that detects a flicker occurring in the captured image data based on the captured image data; and a transmittance controller that controls, based on the flicker, the transmittance of the optical element to a state where a quantity of light incident on the imager is changed in a cycle shorter than a cycle of the flicker, and the imaging controller controls an exposure time of the imager to a natural multiple of a changing cycle of the quantity of light incident on the imager in a condition where the transmittance of the optical element is controlled to the state.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: April 13, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Makoto Kobayashi, Ryo Hasegawa, Hitoshi Sakurabu, Tomonori Masuda
  • Patent number: 10944925
    Abstract: An imaging apparatus includes: an imager that has a plurality of pixels as defined herein, that includes a plurality of pixel rows including the plurality of pixels arranged in one direction, and that discharges charges of the photoelectric conversion element and the charge holder to a charge discharge region of the readout circuit as defined herein; and an imaging controller that performs a global reset drive, a global shutter drive, a first rolling readout drive, a rolling shutter drive and a second rolling readout drive as defined herein, and the imaging controller performs a first imaging control as defined herein.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 9, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Hidekazu Kurahashi, Fuminori Irie, Yoshinori Furuta, Hitoshi Sakurabu, Tomonori Masuda
  • Publication number: 20210006701
    Abstract: An imaging control device includes: a brightness measurer that acquires a first captured image signal obtained from an imager imaging a subject through a focus lens, and obtains brightness of each of divided areas of a focusing target area set in the first captured image signal; an imaging condition controller that controls an imaging condition of the imager to a state where brightness of a lowest divided area which is one of the divided areas having lowest brightness is set to the set value; a transmittance controller that decreases brightness of other divided areas than the lowest divided area by controlling light transmittance of the areas corresponding to the other divided areas; and a focusing controller that performs focusing control for the focus lens based on the focusing target area of a second captured image signal in a specific state.
    Type: Application
    Filed: September 16, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Hitoshi SAKURABU, Makoto KOBAYASHI, Ryo HASEGAWA, Tomonori MASUDA
  • Publication number: 20200412931
    Abstract: An imaging control device includes: a controller that causes an imager to perform first imaging and further perform second imaging a plurality of times; and a dark image signal acquirer, the controller causes the imager to perform the second imaging in each of a plurality of exposure states where a quantity of light incident on the imager is greater than 0 and is different for each of the exposure states, by controlling the optical element, and the controller obtains, by controlling the movable lens at a time of the second imaging, a state where a first imaging condition value determined by a control state of the movable lens at the time of the second imaging is different from a second imaging condition value determined by a control state of the movable lens at a time of the first imaging.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Ryo HASEGAWA, Makoto KOBAYASHI, Hitoshi SAKURABU, Tomonori MASUDA
  • Publication number: 20200412935
    Abstract: An imaging control device includes: an imaging controller that obtains captured image data by controlling an imager imaging a subject through an optical element having variable transmittance of light; a flicker detector that detects a flicker occurring in the captured image data based on the captured image data; and a transmittance controller that controls, based on the flicker, the transmittance of the optical element to a state where a quantity of light incident on the imager is changed in a cycle shorter than a cycle of the flicker, and the imaging controller controls an exposure time of the imager to a natural multiple of a changing cycle of the quantity of light incident on the imager in a condition where the transmittance of the optical element is controlled to the state.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Makoto KOBAYASHI, Ryo HASEGAWA, Hitoshi SAKURABU, Tomonori MASUDA