Patents by Inventor Momoko YAMANASHI

Momoko YAMANASHI 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: 10736499
    Abstract: A video processor receives first and second images respectively acquired by an endoscope at first and second timings before and after a predetermined function is applied to a subject, generates first and second correction images respectively using first and second images, generates first and second post-correction images respectively obtained by causing the first and second correction images to act on the first and second images, extracts color components in the second post-correction image to find first and second distribution characteristic values, and calculates a degree of change of the second distribution characteristic value from the first distribution characteristic value.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 11, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Momoko Yamanashi, Tetsuhiro Yamada, Toshio Nakamura, Ryuichi Toyama
  • Patent number: 10733734
    Abstract: An image analysis apparatus includes a processor including hardware. The processor extracts parts from each of a first image and a second image acquired after the first image, each of the extracted parts including an annular peripheral portion and a central portion having a color different from a color of the peripheral portion. The processor also sets the central portion as the analysis object region and calculates a brightness decrease degree of the analysis object region in the second image relative to the analysis object region in the first image.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 4, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Tetsuhiro Yamada, Momoko Yamanashi, Toshio Nakamura, Ryuichi Toyama
  • Patent number: 10572755
    Abstract: An image analysis apparatus includes a region extraction unit configured to determine, as analysis target regions, respective predetermined regions in a first image and a second image that are acquired at timings before and after execution of a predetermined action to a subject and inputted through an image input unit in a state where an endoscope is continuously inserted in the subject, a distribution characteristic value calculation unit configured to obtain a first distribution characteristic value by extracting a color component of the analysis target region in the first image, and to obtain a second distribution characteristic value by extracting a color component of the analysis target region in the second image, and an image analysis unit configured to calculate the degree of change in the second distribution characteristic value with respect to the first distribution characteristic value.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 25, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Momoko Yamanashi, Tetsuhiro Yamada, Toshio Nakamura, Ryuichi Toyama
  • Publication number: 20190122392
    Abstract: An image analyzing apparatus includes an image input portion, an image processor, a distribution characteristic value calculator, a recording portion, and a comparison information output portion. The image input portion inputs an endoscopic image. The image processor generates a brightness-corrected image. The endoscopic image is corrected to the brightness-corrected image wherein the brightness-corrected image includes a brightness distribution that being substantially uniform. The distribution characteristic value calculator extracts at least one of a red color component, a green color component, and a blue color component in the brightness-corrected image and determines a first distribution characteristic value of the extracted color component. The recording portion records information including a plurality of second distribution characteristic values.
    Type: Application
    Filed: November 15, 2018
    Publication date: April 25, 2019
    Applicant: Olympus Corporation
    Inventors: Momoko Yamanashi, Tetsuhiro Yamada, Toshio Nakamura, Ryuichi Toyama, Takeo Suzuki
  • Publication number: 20180333045
    Abstract: A video processor receives first and second images respectively acquired by an endoscope at first and second timings before and after a predetermined function is applied to a subject, generates first and second correction images respectively using first and second images, generates first and second post-correction images respectively obtained by causing the first and second correction images to act on the first and second images, extracts color components in the second post-correction image to find first and second distribution characteristic values, and calculates a degree of change of the second distribution characteristic value from the first distribution characteristic value.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 22, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Momoko YAMANASHI, Tetsuhiro YAMADA, Toshio NAKAMURA, Ryuichi TOYAMA
  • Publication number: 20180218233
    Abstract: An image analysis apparatus includes a region extraction unit configured to determine, as analysis target regions, respective predetermined regions in a first image and a second image that are acquired at timings before and after execution of a predetermined action to a subject and inputted through an image input unit in a state where an endoscope is continuously inserted in the subject, a distribution characteristic value calculation unit configured to obtain a first distribution characteristic value by extracting a color component of the analysis target region in the first image, and to obtain a second distribution characteristic value by extracting a color component of the analysis target region in the second image, and an image analysis unit configured to calculate the degree of change in the second distribution characteristic value with respect to the first distribution characteristic value.
    Type: Application
    Filed: March 27, 2018
    Publication date: August 2, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Momoko YAMANASHI, Tetsuhiro YAMADA, Toshio NAKAMURA, Ryuichi TOYAMA
  • Publication number: 20170358084
    Abstract: An image analysis apparatus includes: an image input section; a region extraction section configured to specify a target element including an annular peripheral portion and a center portion that is surrounded by the peripheral portion and that is in a color different from the peripheral portion in a first image and a second image inputted from the image input section, the second image being acquired later than the first image, and configured to extract only the center portion of the target element as a region to be analyzed; and a color component extraction section configured to extract respective color component values of the extracted regions to be analyzed of the first and second images.
    Type: Application
    Filed: August 2, 2017
    Publication date: December 14, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Tetsuhiro YAMADA, Momoko YAMANASHI, Toshio NAKAMURA, Ryuichi TOYAMA
  • Publication number: 20170337710
    Abstract: An image analysis apparatus includes: an image input section; a region extraction section configured to set an analysis object region for each of a first image and a second image acquired after the first image, the first image and the second image being inputted from the image input section; and an image analysis section configured to calculate a brightness decrease degree of a part of the analysis object region in the second image, the part having a brightness decreased relative to the analysis object region in the first image.
    Type: Application
    Filed: August 8, 2017
    Publication date: November 23, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Tetsuhiro YAMADA, Momoko YAMANASHI, Toshio NAKAMURA, Ryuichi TOYAMA