Patents by Inventor Makoto Kitamura

Makoto Kitamura 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: 9349185
    Abstract: An image processing device includes: a non-target region detecting unit that detects a region that is not to be examined as a non-target region from an image; a pixel-of-interest region setting unit that sets a pixel-of-interest region in a predetermined area including a pixel-of-interest position in the image; a surrounding region determining unit that determines a surrounding region, which is an area for acquiring information for use in forming a reference plane with respect to the pixel-of-interest position, based on the non-target region; a reference plane forming unit that forms the reference plane based on the information in the surrounding region; and an outlier pixel detecting unit that detects an outlier pixel having a pixel value numerically distant from circumferential values based on a difference between corresponding quantities of the reference plane at each pixel position and of the original image.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 24, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Takashi Kono, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Masashi Hirota
  • Patent number: 9299137
    Abstract: An image processing device includes: a candidate abnormal region determining unit that determines a candidate abnormal region from an image using a first determination criterion; a bubble region determining unit that determines a bubble region from the image; a bubble inside determining unit that determines whether the candidate abnormal region is present inside the bubble region based on a determination result of the bubble region; and an abnormal region determining unit that determines whether the candidate abnormal region is an abnormal region using a second determination criterion different from the first determination criterion when the candidate abnormal region is determined to be present inside the bubble region.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 29, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Makoto Kitamura, Yamato Kanda, Takehiro Matsuda, Takashi Kono, Masashi Hirota
  • Patent number: 9291977
    Abstract: Provided is a printing medium conveying unit that includes: a first contact section; a second contact section disposed adjacent to the first contact section in a first direction; a printing medium conveying section configured to convey a printing medium in a second direction that is substantially orthogonal to the first direction, in which the printing medium conveying section allows a first edge in the first direction of the printing medium to come into contact with one of the first contact section and the second contact section to displace one of the first contact section and the second contact section in the first direction; and a position detecting section configured to detect a position in the first direction of the first edge, based on an amount of the displacement of one of the first contact section and the second contact section that has come into contact with the first edge.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: March 22, 2016
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Publication number: 20150356369
    Abstract: An image processing apparatus for processing an image acquired by imaging a living body includes: a blood vessel candidate region extraction unit configured to extract a plurality of blood vessel candidate regions from the image; an identical blood vessel candidate region extraction unit configured to extract, from among the plurality of blood vessel candidate regions, a blood vessel candidate region group estimated to form a line shape when integrated, as an identical blood vessel candidate region; an evaluation value calculation unit configured to calculate one or more kinds of evaluation values for evaluating a likelihood that the identical blood vessel candidate region corresponds to an identical blood vessel; and a blood vessel region discrimination unit configured to discriminate whether or not the identical blood vessel candidate region forms an identical blood vessel region, based on the evaluation values.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto KITAMURA, Yamato KANDA, Toshiya KAMIYAMA
  • Patent number: 9176005
    Abstract: A novel sensor unit actuating mechanism that can cause a sensor unit to leave or enter a frame smoothly even when the thickness of the frame is reduced and that has a mechanism for coping with a prank by a child or the like, such as a push-back of the sensor unit. The sensor unit actuating mechanism includes a frame, a sensor unit including an optical sensor, a spring member configured to expand or contract in a Y direction, actuators configured to contract against the resilience of the spring member when energized, and a guide member for moving the sensor unit linearly in an X direction. When the actuator is energized, the sensor unit, is linearly moved from inside the frame to the measurement position; when the actuator is energized, the sensor unit is linearly moved from the measurement position to inside the frame and stored therein.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: November 3, 2015
    Assignee: EIZO Corporation
    Inventors: Hidekazu Hogo, Makoto Kitamura
  • Patent number: 9165370
    Abstract: An image processing apparatus includes a probability value calculator that calculates, based on color feature data of a pixel included in an image, respective probabilities that the pixel belongs to a specific area and a non-specific area; a weighted edge intensity calculator that calculates a weighted edge intensity between neighboring pixels based on pixel values and color feature data of the pixel included in the image and a neighboring pixel of the pixel; an energy function creator that uses the probabilities and the weighted edge intensity to create an energy function expressed by a result of an area determination of the pixel; and an area divider that divides the image into the plurality of areas based on the energy function.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: October 20, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Masashi Hirota, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono
  • Patent number: 9162833
    Abstract: A medium feeding apparatus includes an apparatus main body, and a medium cassette removably inserted into the apparatus main body. The medium cassette is configured to store a medium. The medium cassette includes a medium positioning unit for determining a position of the medium, and a locking unit that locks a movement of the medium positioning unit when the medium cassette is inserted into the apparatus main body and before the medium cassette reaches a predetermined position in the apparatus main body.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: October 20, 2015
    Assignee: OKI DATA CORPORATION
    Inventors: Hiroshi Udagawa, Makoto Kitamura
  • Publication number: 20150254826
    Abstract: An image processing apparatus processes an image obtained by capturing inside of a lumen of a living body. The image processing apparatus includes: a contour edge region extracting unit configured to extract a contour edge region of an examination target from the image; an examination region setting unit configured to set an examination region in the image so as not to include the contour edge region; and an abnormal structure identifying unit configured to identify whether a microstructure of a surface of the examination target is abnormal, based on texture information of the examination region.
    Type: Application
    Filed: May 26, 2015
    Publication date: September 10, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Yamato KANDA, Makoto KITAMURA, Takashi KONO, Masashi HIROTA, Toshiya KAMIYAMA
  • Patent number: 9129412
    Abstract: An image processing apparatus includes: a color feature data calculation unit configured to calculate color feature data of each pixel in an intraluminal image or color feature data of each small region obtained by dividing the intraluminal image into a plurality of small regions; a residue candidate distribution determination unit configured to determine, from among the color feature data, color feature data distributed on a side comparatively strong in redness to be a mucosa distribution and determine color feature data distributed on a side comparatively weak in redness to be a residue candidate distribution; and a residue distribution determination unit configured to determine, from among distributions of the color feature data determined to be the residue candidate distribution, a residue candidate distribution distributed on a side strong in yellowness with reference to the mucosa distribution to be a residue distribution.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: September 8, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Takashi Kono, Yamato Kanda, Makoto Kitamura, Masashi Hirota
  • Patent number: 9069325
    Abstract: An image forming apparatus includes an apparatus main body, and a visible image forming unit that forms a developer image. The visible image forming unit includes a first unit, a second unit detachably mounted to the apparatus main body, and a third unit. An image forming apparatus further includes a first mechanism that causes the first unit and the second unit to move toward or away from each other, a moving member that moves the first mechanism, and a second mechanism that causes the second unit and the third unit to move toward or away from each other in conjunction with a movement of the first mechanism.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: June 30, 2015
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Patent number: 9065968
    Abstract: An image processing apparatus includes a contour-candidate-edge detecting unit that detects, as contour candidate edges, edges based on a gradient magnitude of each pixel in a target image; a contour-edge detecting unit that detect contour edges by performing thresholding on gradient magnitudes of the contour candidate edges; an interpolation-line generating unit that generates interpolation lines for connecting end points of respective end-point pairs based on gradients of pixel values between the end points while each of the end point pairs is made up of an end point of an identical contour edge as a connection base and an end point of a different contour edge as a connection destination; and a contour-edge interpolating unit that selects one of the interpolation lines based on the gradients of pixel values on the interpolation lines and interpolates a contour edge between the end points with the selected interpolation line.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: June 23, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Takashi Kono, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Masashi Hirota
  • Patent number: 9053533
    Abstract: An image processing apparatus includes a low-luminance area detecting unit that detects a low-luminance area based on pixel values of pixels of the intraluminal image; a peripheral feature data calculating unit that calculates peripheral feature data based on pixel values of periphery of the low-luminance area; and a dark portion area determining unit that determines whether or not the low-luminance area is the dark portion area based on the peripheral feature data.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: June 9, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Masashi Hirota, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono
  • Publication number: 20150092993
    Abstract: An image processing apparatus includes: an imaging distance estimating unit configured to estimate an imaging distance to a subject shown in an image; an examination region setting unit configured to set an examination region in the image such that an index indicating a spread of a distribution of imaging distances to the subject shown in the examination region is within a given range; and an abnormal structure identifying unit configured to identify whether or not a microstructure of the subject shown in the examination region is abnormal, by using texture feature data that enables identification of an abnormality in the microstructure of the subject shown in the examination region, the texture feature data being specified according the examination region.
    Type: Application
    Filed: December 9, 2014
    Publication date: April 2, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Yamato KANDA, Makoto KITAMURA, Takashi KONO, Masashi HIROTA, Toshiya KAMIYAMA
  • Patent number: 8989467
    Abstract: An image processing apparatus includes a reference surface generating unit that generates a reference surface indicating a reference value of each of a plurality of color elements of pixels constituting an intraluminal image at a pixel position of the each color element by performing a morphology process using pixel values of the color elements; and an abnormal area detecting unit that detects an abnormal area from the intraluminal image based on a difference for each of the color elements between the pixel value of each pixel and the reference surface.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: March 24, 2015
    Assignee: Olympus Corporation
    Inventors: Masashi Hirota, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono
  • Publication number: 20150063641
    Abstract: An image processing apparatus includes: an abnormality candidate region identifying unit configured to identify a candidate region for an abnormality from an image obtained by imaging inside of a lumen of a living body; a surrounding region determining unit configured to determine a surrounding region surrounding the candidate region; a shape information calculating unit configured to calculate shape information of the candidate region and shape information of the surrounding region in a depth direction with respect to a screen; and an abnormality region determining unit configured to determine whether or not the candidate region is an abnormality, based on a correlation between the shape information of the candidate region and the shape information of the surrounding region.
    Type: Application
    Filed: October 21, 2014
    Publication date: March 5, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto KITAMURA, Yamato KANDA, Takashi KONO, Masashi HIROTA
  • Patent number: 8948479
    Abstract: An image processing device includes: a feature data calculator configured to calculate the feature data of each pixel in an image; an approximate shape calculator configured to calculate an approximate shape approximating a profile of a distribution area in which the feature data is distributed in a feature space having the feature data as an element; and an abnormal area detector configured to detect an abnormal area in the image based on the approximate shape and the profile of the distribution area.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: February 3, 2015
    Assignee: Olympus Corporation
    Inventors: Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono, Masashi Hirota
  • Patent number: 8938122
    Abstract: An image processing apparatus includes a small area divider that divides, on the basis of edge information of an image, the image into multiple small areas each including multiple pixels; an attribute probability estimator that estimates attribute probability for each of the small areas, which is probability that the small area is attributed to a specific area to be detected; an adjacent-small-area connection strength calculator that calculates connection strength that quantitatively indicates a degree to which small areas adjacent to each other among the multiple small areas are attributed to the same area that is the specific area or a non-specific area; and a specific area detector that detects the specific area on the basis of the attribute probability and the connection strength.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: January 20, 2015
    Assignee: Olympus Corporation
    Inventors: Yamato Kanda, Makoto Kitamura, Masashi Hirota, Takashi Kono, Takehiro Matsuda
  • Patent number: 8913947
    Abstract: A sheet supply device that is addable to a medium processing device includes a storage part storing a medium and a controller. The controller performs a first operation in which the medium is supplied from the storage part of the sheet supply device, and a second operation in which another medium supplied from an upstream side of a medium path is carried to a downstream side. When the second operation is performed, the controller operates the carrying part by transmitting a drive force to the carrying part via the transmission mechanism without operating the carrying transmission member.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: December 16, 2014
    Assignee: Oki Data Corporation
    Inventors: Naoya Tonooka, Makoto Kitamura
  • Patent number: 8913806
    Abstract: An image identifying device includes a mechanism that sets an evaluation area whose category is to be identified in an in-vivo image; a mechanism that acquires texture components from the evaluation area in the in-vivo image; a mechanism that calculates an evaluation value indicating homogeneity of the texture components; and a mechanism that identifies the category of the evaluation area on the basis of the evaluation value.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: December 16, 2014
    Assignee: Olympus Corporation
    Inventors: Takashi Kono, Yamato Kanda, Makoto Kitamura, Masashi Hirota
  • Patent number: 8899577
    Abstract: A medium feeding apparatus includes an apparatus main body, and a medium cassette removably inserted into the apparatus main body. The medium cassette is configured to store a medium. The medium cassette includes a medium positioning unit for determining a position of the medium, and a locking unit that locks a movement of the medium positioning unit when the medium cassette is inserted into the apparatus main body and before the medium cassette reaches a predetermined position in the apparatus main body.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: December 2, 2014
    Assignee: Oki Data Corporation
    Inventors: Hiroshi Udagawa, Makoto Kitamura