Patents by Inventor Taihei MICHIHATA

Taihei MICHIHATA 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: 12213643
    Abstract: A learning device 3 includes: a training image acquisition unit 321 that acquires training images in which a first training image acquired by capturing light from a subject irradiated with light in a first wavelength band and a second training image acquired by capturing light from the subject irradiated with light in a second wavelength band different from the first wavelength band are paired; a singular area specification unit 322 that specifies a singular area in the second training image; a first feature data extraction unit 323 that extracts feature data of a singular-corresponding area at a pixel position corresponding to the singular area in the first training image; and a singular-corresponding area learning unit 324 that generates a learning model by performing machine learning on the singular-corresponding area based on the feature data.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: February 4, 2025
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei Michihata
  • Publication number: 20240306883
    Abstract: A medical image processing apparatus includes: a captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target to which light of a first wavelength band is emitted and a second captured image obtained by capturing fluorescence from the observation target excited by excitation light of a second wavelength band; an evaluation value calculation unit configured to calculate, based on the first captured image, an evaluation value used for at least one of a first control of controlling a focus position of an imaging device configured to generate each of the first captured image and the second captured image and a second control of controlling a brightness of the first captured image and the second captured image; and an operation controller configured to execute at least one of the first control and the second control based on the evaluation value.
    Type: Application
    Filed: May 22, 2024
    Publication date: September 19, 2024
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei MICHIHATA
  • Patent number: 12089802
    Abstract: A medical image processing apparatus includes: a captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target to which light of a first wavelength band is emitted and a second captured image obtained by capturing fluorescence from the observation target excited by excitation light of a second wavelength band; an evaluation value calculation unit configured to calculate, based on the first captured image, an evaluation value used for at least one of a first control of controlling a focus position of an imaging device configured to generate each of the first captured image and the second captured image and a second control of controlling a brightness of the first captured image and the second captured image; and an operation controller configured to execute at least one of the first control and the second control based on the evaluation value.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: September 17, 2024
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Patent number: 12075970
    Abstract: A medical control device includes: an imaging controller configured to control an imaging device to cause the imaging device to capture normal light emitted from a light source and received by way of an observation target in a first period to generate a first captured image, and to capture excitation light emitted from the light source and received by way of the observation target and fluorescence light from the observation target excited by the excitation light in a second period to generate a second captured image; and image processing circuitry configured to: perform an adjustment process to reduce a component of a color corresponding to the excitation light included in the second captured image; and generate a superimposed image by superimposing the first captured image and the second captured image subjected to the adjustment process.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: September 3, 2024
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei Michihata
  • Patent number: 11980348
    Abstract: A medical control apparatus to which a rigid endoscope having an insertion portion to be inserted into a subject is detachably connected is configured to perform image processing on a captured image obtained by capturing a subject image introduced by the rigid endoscope and generate a medical photographic image to be displayed on a display device that displays images. The medical control apparatus includes: a detection unit configured to detect a mask width that is a distance between boundary points dividing the subject image included in the captured image and a mask area that is an area other than the subject image; and a control unit configured to calculate a first parameter used for the image processing in accordance with the mask width.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: May 14, 2024
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Hiroshi Myoken, Satoshi Mitsui
  • Patent number: 11962747
    Abstract: A medical image processing device includes: a first captured image acquisition unit configured to acquire a first left-eye image and a first right-eye image; a second captured image acquisition unit configured to acquire a second left-eye image and a second right-eye image; a superimposed image generation unit configured to superimpose corresponding pixels of the first left-eye image and the second left-eye image on each other to generate a left-eye fluorescence superimposed image and superimpose corresponding pixels of the first right-eye image and the second right-eye image on each other to generate a right-eye fluorescence superimposed image; and a display controller configured to generate a display image from the first left-eye and right-eye images, the second left-eye and right-eye images, the left-eye and the right-eye fluorescence superimposed images, wherein the display image includes a stereoscopically observable three-dimensional fluorescence superimposed image generated from the left-eye and the ri
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 16, 2024
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Aki Mizukami, Kiminori Sugisaki
  • Patent number: 11737646
    Abstract: A medical image processing device includes a processor configured to: acquire a first captured image captured based on light from an observation target irradiated with light in a first wavelength band, the observation target emitting fluorescence upon being irradiated with excitation light in a second wavelength band; acquire a second captured image captured based on the excitation light and the fluorescence from the observation target irradiated with the excitation light; specify a target area in which a pixel level is not lower than a predetermined threshold, in the first captured image; and generate, for an area at a same position as the target area, a superimposed image only including pixels in the target area in the first captured image, among pixels in the area at the same position as the target area in the second captured image and pixels in the target area in the first captured image.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 29, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Publication number: 20230180997
    Abstract: A medical control device includes: an imaging controller configured to control an imaging device to cause the imaging device to capture normal light emitted from a light source and received by way of an observation target in a first period to generate a first captured image, and to capture excitation light emitted from the light source and received by way of the observation target and fluorescence light from the observation target excited by the excitation light in a second period to generate a second captured image; and image processing circuitry configured to: perform an adjustment process to reduce a component of a color corresponding to the excitation light included in the second captured image; and generate a superimposed image by superimposing the first captured image and the second captured image subjected to the adjustment process.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 15, 2023
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei MICHIHATA
  • Publication number: 20230112628
    Abstract: A learning device 3 includes: a training image acquisition unit 321 that acquires training images in which a first training image acquired by capturing light from a subject irradiated with light in a first wavelength band and a second training image acquired by capturing light from the subject irradiated with light in a second wavelength band different from the first wavelength band are paired; a singular area specification unit 322 that specifies a singular area in the second training image; a first feature data extraction unit 323 that extracts feature data of a singular-corresponding area at a pixel position corresponding to the singular area in the first training image; and a singular-corresponding area learning unit 324 that generates a learning model by performing machine learning on the singular-corresponding area based on the feature data.
    Type: Application
    Filed: February 9, 2021
    Publication date: April 13, 2023
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei MICHIHATA
  • Patent number: 11615514
    Abstract: A medical image processing apparatus includes: a first captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target irradiated with light in a first wavelength band, the observation target emitting fluorescence when irradiated with excitation light in a second wavelength band different from the first wavelength band; a second captured image acquisition unit configured to acquire a second captured image obtained by capturing the fluorescence from the observation target irradiated with the excitation light; a first image processor configured to execute image processing on the first captured image; and a second image processor configured to execute image processing including blurring processing of blurring an image on the second captured image.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: March 28, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Patent number: 11510549
    Abstract: A medical image processing apparatus includes: image signal acquiring circuitry configured to acquire: a first image signal generated by capturing light of a first wavelength band with an image sensor; and a second image signal generated by capturing light of a second wavelength band different from the first wavelength band with the image sensor, the first image signal and the second image signal being not subjected to the demosaic processing, and the image sensor including a color filter in which filter groups having spectroscopic properties different from each other are arranged in a specific form; a first signal path including a demosaic processor configured to execute the demosaic processing to the first image signal; and a second signal path diverged from the first signal path on a path former part from the demosaic processor, in which the demosaic processing is not executed to the second image signal.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: November 29, 2022
    Assignees: SONY OLYMPUS MEDICAL SOLUTIONS INC., SONY CORPORATION
    Inventors: Taihei Michihata, Satoshi Mitsui
  • Patent number: 11483489
    Abstract: A medical control device includes circuitry configured to: control an autofocus operation on a captured image from an observation target illuminated with excitation light of a first wavelength band and a pattern image of a second wavelength band, the observation target fluorescing in response to the excitation light to output light in a third wavelength band. The captured image includes light components in the first to third wavelengths bands, of which the second and third wavelength bands are different. The autofocus operation is controlled by calculating, based on the pattern image of the second wavelength band in the captured image, an evaluation value used in an autofocus process that controls a focus position of an imaging device configured to generate the captured image.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: October 25, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Patent number: 11445888
    Abstract: An image processing apparatus includes a linear matrix operation unit configured to set a matrix coefficient in accordance with an input image signal, and perform a linear matrix operation on the image signal using the set matrix coefficient.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 20, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Hiroshi Myoken, Satoshi Mitsui
  • Publication number: 20220287551
    Abstract: A memory controller 931, in a first observation mode, writes a first captured image into a first memory area of a memory 92, reads first to fourth divided images obtained by dividing the first captured image from first to fourth divided areas of the first memory area, respectively, and outputs the first to fourth divided images to image processing units 932 to 935, respectively, and in a second observation mode, writes the first and second captured images into second and third memory areas, respectively, each having the same memory capacity as that of each of the divided areas in the memory 92, respectively, reads the first and second captured images from the second and third memory areas, respectively, and outputs the first and second captured images to two image processing units 932 and 933, respectively.
    Type: Application
    Filed: August 26, 2020
    Publication date: September 15, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventors: Taihei MICHIHATA, Aki MIZUKAMI
  • Patent number: 11375167
    Abstract: An image processing apparatus includes a processor including hardware. The processor is configured to: execute a first white balance adjustment on a first signal corresponding to multiple wavelength bands; generate a luminance signal from a second signal including an area having saturation caused by the first white balance adjustment; extract a detail component based on the first signal; and apply the detail component to the luminance signal to generate a corrected luminance signal.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: June 28, 2022
    Assignees: SONY OLYMPUS MEDICAL SOLUTIONS INC., SONY CORPORATION
    Inventors: Taihei Michihata, Satoshi Mitsui
  • Patent number: 11367182
    Abstract: A medical image processing device includes: a memory; and a processor including hardware.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: June 21, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Patent number: 11322245
    Abstract: A medical image processing apparatus includes: a superimposed image generation unit configured to generate a superimposed image by superimposing a subject image and a fluorescent image in areas corresponding to each other; a determination unit configured to determine whether or not at least one of a subject and an observation device moves from timing before timing at which one of the subject image and the fluorescent image is captured to the timing; and a superimposition controller configured to cause the superimposition image generation unit to prohibit a superimposition in an area of at least a part of the subject image and the fluorescent image when the determination unit determines that at least one of the subject and the observation device moves.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: May 3, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Taihei Michihata
  • Publication number: 20210338040
    Abstract: A medical control device includes a display control unit controller configured to display, in a display device configured to display images, a medical image generated from an imaging signal generated by an imaging device configured to receive light coming from an observation target; and a brightness controller configured to control the brightness of the imaging signal in such a way that the display controller displays the medical image having a predetermined brightness. When the dynamic range of the display device is set to a second value that is greater than a first value, the brightness controller is configured to perform control to lower the brightness of the imaging signal as compared to the brightness of the imaging signal for displaying the medical image at the predetermined brightness when the dynamic range is set to the first value.
    Type: Application
    Filed: June 14, 2019
    Publication date: November 4, 2021
    Applicants: Sony Olympus Medical Solutions Inc., Sony Corporation
    Inventors: Taihei MICHIHATA, Hiroshi MYOKEN, Satoshi MITSUI
  • Publication number: 20210297575
    Abstract: A medical control device includes circuitry configured to: control an operation of a light source device configured to emit excitation light in a first wavelength band and image light including a specific pattern image; acquire a captured image obtained by capturing an observation target irradiated with light emitted from the light source device; calculate, based on the captured image, an evaluation value used in an autofocus process that controls a focus position of an imaging device configured to generate the captured image; and perform the autofocus process based on the evaluation value, wherein the circuitry is configured to control the operation of the light source device such that the pattern image is included in the captured image used for calculating the evaluation value.
    Type: Application
    Filed: February 8, 2021
    Publication date: September 23, 2021
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei MICHIHATA
  • Publication number: 20210290037
    Abstract: A medical image processing apparatus includes: a captured image acquisition unit configured to acquire a first captured image obtained by capturing light from an observation target to which light of a first wavelength band is emitted and a second captured image obtained by capturing fluorescence from the observation target excited by excitation light of a second wavelength band; an evaluation value calculation unit configured to calculate, based on the first captured image, an evaluation value used for at least one of a first control of controlling a focus position of an imaging device configured to generate each of the first captured image and the second captured image and a second control of controlling a brightness of the first captured image and the second captured image; and an operation controller configured to execute at least one of the first control and the second control based on the evaluation value.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 23, 2021
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Taihei MICHIHATA