Patents by Inventor Hiroshi Imamura

Hiroshi Imamura 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: 9848769
    Abstract: Provided is an ophthalmic diagnosis support apparatus which enables an operator to easily acquire a tomographic image suitable for detailed observation of a candidate lesion without spending time and effort to search for the candidate lesion. The ophthalmic diagnosis support apparatus includes an acquiring unit for acquiring a wide-range image of a fundus, a candidate lesion detection unit for detecting the candidate lesion on the fundus by analyzing the wide-range image, a calculating unit for determining a degree of abnormality of the candidate lesion based on a result of the detection of the candidate lesion, and an acquiring position setting unit for setting an acquiring position of the tomographic image of the fundus based on the degree of abnormality of the candidate lesion.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: December 26, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Miyasa, Hiroshi Imamura
  • Publication number: 20170340203
    Abstract: Provided is an imaging apparatus capable of imaging a confocal image and a nonconfocal image, in which an image intended by an examiner is provided easily and rapidly. The imaging apparatus includes: an acquiring unit configured to acquire a confocal image and a nonconfocal image of an eye to be inspected; a display unit configured to display at least one of the acquired confocal image and the acquired nonconfocal image; an analysis unit configured to analyze the acquired confocal image and the acquired nonconfocal image; and a display control unit configured to change a display form displayed on the display unit in accordance with an analysis result obtained by the analysis unit.
    Type: Application
    Filed: August 16, 2017
    Publication date: November 30, 2017
    Inventors: Tsutomu Utagawa, Hiroshi Imamura
  • Patent number: 9820650
    Abstract: An image processing apparatus obtains a moving image of an eye area, identifies a region of blood cells in the obtained moving image, and determines the number of determined regions of blood cells.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: November 21, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Uji, Shigeta Arichika, Hiroshi Imamura
  • Publication number: 20170320012
    Abstract: Provided is a novel exhaust gas processing device which allows processing target exhaust gas having a large flow volume to be handled with a small-capacity plasma generator, by preheating a high-temperature decomposable gas component of the processing target exhaust gas. An exhaust gas processing device 10 preheats processing target exhaust gas F in the presence of moisture with heat from at least either an electric heater 15 or a heat exchanger 17 and subsequently thermally decomposes the exhaust gas with an atmospheric pressure plasma P. A device main body 11 has a heating decomposition chamber T therein. A plasma generator 14 is of a non-transferred type and is installed at a top surface portion 11a of the device main body 11. A reactor 12 has a cylindrical shape and is installed within the device main body 11 such that an upper end opening 12i thereof is directed toward a plasma emission port 14f of the plasma generator 14. A moisture supply unit 18 is provided at an inlet side of the device main body 11.
    Type: Application
    Filed: October 6, 2014
    Publication date: November 9, 2017
    Inventors: Hiroaki KANESHIRO, Hideki OKAMOTO, Osamu HAMAKAWA, Shunsuke YANAI, Hiroshi IMAMURA
  • Publication number: 20170296049
    Abstract: An image processing apparatus includes a determination unit configured to determine, as a partial region of a multi-channel fundus image including an optic disk area and a macular area of a subject's eye, one of a region of the multi-channel fundus image which includes the macular area and a region of the multi-channel fundus image which includes the optic disk area, and a generation unit configured to generate an image in which a difference in color of the partial region is enhanced, by applying to the partial region image processing based on a decorrelation stretching method.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 19, 2017
    Inventors: Akihito Uji, Nagahisa Yoshimura, Hiroshi Imamura, Makoto Sato
  • Patent number: 9782066
    Abstract: Provided is an imaging apparatus capable of imaging a confocal image and a nonconfocal image, in which an image intended by an examiner is provided easily and rapidly. The imaging apparatus includes: an acquiring unit configured to acquire a confocal image and a nonconfocal image of an eye to be inspected; a display unit configured to display at least one of the acquired confocal image and the acquired nonconfocal image; an analysis unit configured to analyze the acquired confocal image and the acquired nonconfocal image; and a display control unit configured to change a display form displayed on the display unit in accordance with an analysis result obtained by the analysis unit.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: October 10, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tsutomu Utagawa, Hiroshi Imamura
  • Publication number: 20170265742
    Abstract: An ophthalmic apparatus includes an AOSLO apparatus, a WFSLO apparatus, and a tracking processor that controls a tracking mirror based on position information calculated from AOSLO and WFSLO images. In another embodiment, the tracking processor controls the tracking mirror based on position information calculated from WFSLO images only. Depending on the amount of movement a target image with respect to a reference image, and the accuracy of detection thereof, the tracking mirror of either the AOSLO apparatus or the WFSLO apparatus can be selectively controlled according to a difference in position of the target image with respect to the reference image.
    Type: Application
    Filed: March 21, 2016
    Publication date: September 21, 2017
    Inventors: Koji NOZATO, Kenichi SAITO, Kaishi OHASHI, Akira SATO, Futoshi HIROSE, Hiroshi IMAMURA
  • Publication number: 20170202449
    Abstract: An image processing apparatus generates one image by using at least one frame each of a plurality of moving images obtained by taking moving images of a plurality of different regions of an eye at different times. The apparatus includes a deciding unit configured to decide the at least one frame in each of the plurality of moving images, so that regions which have actually been shot are included in the plurality of moving images in the plurality of regions; and an image generating unit configured to generate one image by using the at least one frames decided from each of the plurality of moving images.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventor: Hiroshi Imamura
  • Patent number: 9642519
    Abstract: An image processing apparatus generates one image by using at least one frame each of a plurality of moving images obtained by taking moving images of a plurality of different regions of an eye at different times. The apparatus includes a deciding unit configured to decide the at least one frame in each of the plurality of moving images, so that regions which have actually been shot are included in the plurality of moving images in the plurality of regions; and an image generating unit configured to generate one image by using the at least one frames decided from each of the plurality of moving images.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: May 9, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroshi Imamura
  • Patent number: 9620189
    Abstract: A magnetic memory according to an embodiment includes at least one MTJ element, the MTJ element including: a magnetic multilayer structure including a first magnetic layer in which a direction of magnetization is fixed, a second magnetic layer in which a direction of magnetization is changeable, and a tunnel barrier layer located between the first and second magnetic layers; a first electrode provided on a first surface of the magnetic multilayer structure; a second electrode provided on a second surface of the magnetic multilayer structure; an insulating film provided on a side surface of the magnetic multilayer structure; and a control electrode provided on the side surface of the magnetic multilayer structure with the insulating film located therebetween, a voltage being applied to the control electrode in a read operation, which increases an energy barrier for changing the magnetization of the second magnetic layer.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: April 11, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naoharu Shimomura, Eiji Kitagawa, Minoru Amano, Daisuke Saida, Kay Yakushiji, Takayuki Nozaki, Shinji Yuasa, Akio Fukushima, Hiroshi Imamura, Hitoshi Kubota
  • Patent number: 9613419
    Abstract: To enable accurate stitching of images in generating a panoramic image by performing position adjustment of an image group with few characters, an image processing device includes: a calculation unit that calculates degrees of correlation between a plurality of images; a second calculation unit that calculates character amounts of a plurality of images; and an order determination unit that determines an order of performing position adjustment of the plurality of images for generating a panoramic image generated by stitching the plurality of images based on calculation results of the calculation unit and the second calculation unit.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: April 4, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Suguru Onda, Hiroshi Imamura
  • Publication number: 20170007113
    Abstract: An image processing apparatus includes a processing unit configured to perform, on a luminance distribution acquired in at least one direction crossing a vessel region in a fundus image of a subject's eye, a first smoothing operation for each first size and a second smoothing operation for each second size smaller than the first size; a first identifying unit configured to identify a position of a vascular wall in the fundus image on the basis of the luminance distribution obtained by performing the first smoothing operation; and a second identifying unit configured to identify positions of inner and outer boundaries of the vascular wall in the fundus image on the basis of the luminance distribution obtained by performing the second smoothing operation.
    Type: Application
    Filed: July 5, 2016
    Publication date: January 12, 2017
    Inventor: Hiroshi IMAMURA
  • Patent number: 9517004
    Abstract: An information processing apparatus for controls, in one image capture region, image capture of a plurality of high-magnification images having a viewing angle smaller than the viewing angle of the image capture region. A presentation unit presents for selection a plurality of basic patterns each representing a distribution of positions at which to respectively capture high-magnification images. An adjustment unit adjusts, in accordance with an instruction of the operator, an image capture condition of the plurality of high-magnification images associated with the basic pattern selected from the plurality of basic patterns. A control unit causes an image capture apparatus to capture the plurality of high-magnification images in the image capture region in accordance with the adjusted image capture condition.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: December 13, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroshi Imamura
  • Patent number: 9514532
    Abstract: An image processing apparatus includes an identifying unit configured to identify a region relating to the movement of blood cells on a fundus image captured by an ophthalmologic imaging apparatus that includes an adaptive optics system, and an acquisition unit configured to acquire information relating to a tissue that is positioned on a back side of a position where the movement of blood cells is recognized, when it is seen from an anterior eye part side, in the identified region.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: December 6, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Imamura, Keiko Yonezawa
  • Publication number: 20160317017
    Abstract: An information processing apparatus includes: an image acquiring unit configured to acquire a plurality of types of images of an eye, including a confocal image and a non-confocal image of the eye; a deciding unit configured to decide a saving format for saving the confocal image and non-confocal image in a storage region; and a saving unit configured to save at least one of the acquired plurality of types of images in the storage region, based on the decided saving format.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Inventor: Hiroshi Imamura
  • Publication number: 20160317014
    Abstract: An information processing apparatus includes: an image acquiring unit configured to acquire a plurality of types of images including a plurality of confocal images obtained by imaging an eye at different times, and a plurality of non-confocal images temporally corresponding to the plurality of confocal images; and an information acquiring unit configured to acquire information indicating a positional gap of at least one of the plurality of types of images, based on the plurality of non-confocal images.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Inventor: Hiroshi Imamura
  • Publication number: 20160317015
    Abstract: An information processing apparatus includes: an image acquiring unit configured to acquire a plurality of types of images of an eye, including a confocal image and a non-confocal image of the eye; an analyzing unit configured to analyze the confocal image and the non-confocal image; a deciding unit configured to decide, based on analysis results of one of the confocal image and the non-confocal image, whether or not to analyze the other; and a display control unit configured to display analysis results of the confocal image and the non-confocal image on a display unit, in a case of deciding to analyze the other.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Inventor: Hiroshi Imamura
  • Publication number: 20160309997
    Abstract: The present invention provides a solution for focusing on each imaging target of a subject eye in a robust and highly accurate way. An information processing apparatus includes, a confocal data acquisition unit configured to acquire a confocal signal based on return light from the subject eye, a nonconfocal data acquisition unit configured to acquire a nonconfocal signal based on the return light from the subject eye, and an identification unit configured to identify an in-focus position of measurement light based at least on the nonconfocal signal out of the confocal and the nonconfocal signals.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 27, 2016
    Inventor: Hiroshi Imamura
  • Patent number: 9456748
    Abstract: An ophthalmological apparatus includes an image acquisition unit configured to acquire images of different magnifications, a decision unit configured to decide, based on at least the acquired images or capture conditions of the acquired images, a method for capturing an image of an intermediate magnification that is between the magnifications of the acquired images, and an alignment unit configured to align the acquired images.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: October 4, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Publication number: 20160262607
    Abstract: Provided is an ophthalmic apparatus, including: an acquisition unit configured to acquire a confocal image and a nonconfocal image of an eye to be inspected (E); a first detection unit configured to detect a photoreceptor cell of the eye to be inspected (E) from the confocal image; a second detection unit configured to detect a photoreceptor cell of the eye to be inspected (E) from the nonconfocal image; and a display unit configured to compare the photoreceptor cell detected by the first detection unit and the photoreceptor cell detected by the second detection unit with each other to display a result of the comparison on a screen.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 15, 2016
    Inventors: Tsutomu Utagawa, Hiroshi Imamura