Patents by Inventor Tetsuo Shimada

Tetsuo Shimada 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: 20210150686
    Abstract: An image processing apparatus comprises an obtaining unit that obtains a plurality of images obtained by irradiating radiation having different energies, a generating unit that generates a processed image by compositing the plurality of images, and a compositing unit that generates a composite image by compositing one image among the plurality of images and the processed image so as to enhance a low-frequency component of the one image and enhance a high-frequency component of the processed image.
    Type: Application
    Filed: December 22, 2020
    Publication date: May 20, 2021
    Inventor: Tetsuo Shimada
  • Patent number: 10888291
    Abstract: A breast imaging device for rotating a radiation detection unit configured to detect radiation irradiated from a radiation generation unit configured to generate the radiation with the radiation detection unit and the radiation generation unit facing each other includes a ray sum image generation unit configured to generate a ray sum image based on an addition value of at least one pixel value in a visual line direction from volume data reconstructed from a projection image output from the radiation detection unit, a maximum intensity projection image generation unit configured to generate a maximum intensity projection image based on the maximum pixel value in the visual line direction from the volume data, and a synthesizing unit configured to synthesize the ray sum image and the maximum intensity projection image.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: January 12, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuo Shimada, Osamu Tsujii
  • Publication number: 20200380670
    Abstract: The present invention provides an image display method that enables intuitive identification of a portion where a mammary gland region and a microcalcified region overlap each other in a radiographic captured image of a breast. The radiographic image data display method according to an aspect of the present invention includes detecting microcalcified regions and a mammary gland region in the radiographic image data, and displaying the microcalcified regions and the mammary gland region on a single screen.
    Type: Application
    Filed: March 23, 2018
    Publication date: December 3, 2020
    Inventors: Satoshi Kamei, Osamu Tsujii, Tetsuo Shimada
  • Publication number: 20200342964
    Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry configured to acquire a possible lesion; before executing a test according to a test order corresponding to the possible lesion, searches previous data for a relevant test item relevant to a test item of the test order; when a result of searching contains the relevant test item, acquire a test result that is collected through a test of the relevant test item, process the acquired test result into a form that matches a purpose of testing of the test order, and output the processed test result; and when the result of searching does not contain the relevant test item, output an additional test order corresponding to the result of searching.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Tetsuo SHIMADA, Aina IKEZAKI
  • Publication number: 20200335216
    Abstract: A medical information processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to receive, with respect to each of a plurality of examinations for diagnosing a disease suspected in a subject, first information indicating whether or not it is necessary to obtain confirmation from a doctor before the examination is performed and second information indicating whether or not it is necessary to obtain consent from the subject or an appropriate representative before the examination is performed. The processing circuitry is configured to set each of the plurality of examinations with the first information and the second information as additional information. The processing circuitry is configured to control an examination order including the plurality of examinations on the basis of the additional information.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Aina IKEZAKI, Tetsuo SHIMADA, Shigeharu OHYU
  • Publication number: 20200311989
    Abstract: Provided is an image processing apparatus including: a first generating unit configured to generate a three-dimensional image with use of an image signal obtained by imaging an imaging target object with a radiation; a second generating unit configured to set a projection reference line in the three-dimensional image, and perform projection processing of projecting pixel values of the three-dimensional image to the projection reference line for each projection angle of a plurality of projection angles about the projection reference line, to thereby generate a plurality of pieces of projection data at the plurality of projection angles; and a third generating unit configured to two-dimensionally arrange the plurality of pieces of projection data based on the plurality of projection angles, to thereby generate a two-dimensional image.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Inventors: Osamu Tsujii, Tetsuo Shimada
  • Patent number: 10531849
    Abstract: There is provided a radiographic imaging apparatus capable of facilitating a comparative radiological interpretation of symmetric portions or a temporal comparative radiological interpretation of a same imaging target. The radiographic imaging apparatus includes an image control unit configured to cause a display unit configured to display a plurality of divided screens to display a first radiographic image of a first imaging target on a first divided screen of the plurality of divided screens. The image control unit causes a radiographic image of the first imaging target that is captured at a different time from the first radiographic image or a radiographic image of a second imaging target that is a symmetric imaging target of the first imaging target to be displayed on a second divided screen of the plurality of divided screens as a second radiographic image.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: January 14, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Shimada, Osamu Tsujii, Akira Yoshino, Hidehiko Morinaga
  • Patent number: 10383587
    Abstract: A radiation CT apparatus includes a rotation unit configured to rotate about a rotation axis, a radiation generation unit and a radiation detector which are fixed on either side of the rotation axis in the rotation unit, and a gantry cover containing the radiation generation unit and the radiation detector and including a breast insert portion configured to insert a breast of an object. An opening portion that can be opened and closed is placed on the gantry cover of the radiation CT apparatus. The radiation generation unit and the radiation detector are stopped to form a space that allows a user to access the breast insert portion from the opening portion.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: August 20, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Osamu Tsujii, Tetsuo Shimada, Sakiko Yamaguchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki
  • Patent number: 10278661
    Abstract: A dynamic diagnosis support information generation system includes: a radiation generator capable of irradiating a pulsed radiation; a radiation detector which is provided with a plurality of detecting elements arranged in two-dimension, detects the pulsed radiation irradiated from the radiation generator at each of the plurality of detecting elements and generates frame images successively; and an analysis section which calculates and outputs a feature value relating to a dynamic image of a subject based on a plurality of frame images generated by radiographing the subject by using the radiation generator and the radiation detector, wherein the analysis section calculates the feature value relating to the dynamic image of the subject by corresponding pixels to each others representing outputs of a detecting element at a same position in the radiation detector among the plurality of the frame images.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: May 7, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shintaro Muraoka, Tetsuo Shimada, Sho Noji
  • Publication number: 20190083051
    Abstract: A breast imaging device for rotating a radiation detection unit configured to detect radiation irradiated from a radiation generation unit configured to generate the radiation with the radiation detection unit and the radiation generation unit facing each other includes a ray sum image generation unit configured to generate a ray sum image based on an addition value of at least one pixel value in a visual line direction from volume data reconstructed from a projection image output from the radiation detection unit, a maximum intensity projection image generation unit configured to generate a maximum intensity projection image based on the maximum pixel value in the visual line direction from the volume data, and a synthesizing unit configured to synthesize the ray sum image and the maximum intensity projection image.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 21, 2019
    Inventors: Tetsuo Shimada, Osamu Tsujii
  • Patent number: 10231683
    Abstract: A breast imaging apparatus includes a gantry which includes a radiation generation unit configured to generate radiation and a radiation detection unit configured to detect radiation generated by the radiation generation unit, the radiation generation unit and the radiation detection unit being capable of rotating facing each other, wherein the gantry is provided with a front cover configured to protect a subject from the radiation generation unit and the radiation detection unit which rotate during CT imaging, and the front cover has an opening in which the breast of the subject is inserted, and a breast holding portion configured to hold the breast of the subject inserted in the opening.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Shimada, Osamu Tsujii, Hiroshi Komatsu, Sakiko Yamaguchi, Nobuhiro Takeuchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki, Yoshinori Hirano
  • Publication number: 20190059838
    Abstract: A breast imaging apparatus includes a gantry including a radiation generating unit and a radiation detecting unit configured to detect the radiation emitted from the radiation generating unit, wherein the radiation generating unit and the radiation detecting unit can be rotated in an opposed state, an extraction unit configured to extract first tissues and a second tissue from a three-dimensional image based on a projection image output from the radiation detecting unit, a classification unit configured to classify a group of the first tissues with reference to the second tissue, and a display configured to distinguishably display the group of the first tissues classified by the classification unit.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 28, 2019
    Inventor: Tetsuo Shimada
  • Patent number: 10092264
    Abstract: An image processing apparatus obtains a three-dimensional radiation image of a right region of substantially symmetrical regions, obtains a three-dimensional radiation image of a left region of the substantially symmetrical regions, performs alignment between the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region based on a feature position of the regions, and substantially symmetrically arranges and displays the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region which have been aligned.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: October 9, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihito Machida, Tetsuo Shimada, Osamu Tsujii, Akira Yoshino, Maiko Sato, Hidehiko Morinaga
  • Publication number: 20180064408
    Abstract: Provided is a radiation imaging apparatus including: an image acquiring unit configured to acquire a first radiation image, which is photographed by irradiating an object with radiation under a state in which a subject is not in an imaging range, and a second radiation image, which is photographed by radiating radiation under a state in which the subject and the object are in the imaging range; and an image processing unit configured to perform correction for deleting image information on the object from the second radiation image by using the first radiation image.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 8, 2018
    Inventors: Tetsuo Shimada, Osamu Tsujii
  • Publication number: 20170367669
    Abstract: There is provided a radiographic imaging apparatus capable of facilitating a comparative radiological interpretation of symmetric portions or a temporal comparative radiological interpretation of a same imaging target. The radiographic imaging apparatus includes an image control unit configured to cause a display unit configured to display a plurality of divided screens to display a first radiographic image of a first imaging target on a first divided screen of the plurality of divided screens. The image control unit causes a radiographic image of the first imaging target that is captured at a different time from the first radiographic image or a radiographic image of a second imaging target that is a symmetric imaging target of the first imaging target to be displayed on a second divided screen of the plurality of divided screens as a second radiographic image.
    Type: Application
    Filed: June 16, 2017
    Publication date: December 28, 2017
    Inventors: Tetsuo Shimada, Osamu Tsujii, Akira Yoshino, Hidehiko Morinaga
  • Publication number: 20170332988
    Abstract: A breast imaging apparatus includes a radiation generation unit configured to generate radiation and a radiation detection unit configured to detect radiation irradiation from the radiation generation unit and can rotate the radiation generation unit and the radiation detection unit in a state in which they face each other. Imaging is performed in a state in which a body part (breast) of an object to be imaged is sandwiched by a pressing panel on a first side of the breast imaging apparatus. In addition, imaging is performed while rotating the radiation generation unit and the radiation detection unit in a state in which the body part (breast) of the object to be imaged is inserted between the radiation generation unit and the radiation detection unit from a second side opposite to the first side of the breast imaging apparatus.
    Type: Application
    Filed: June 22, 2016
    Publication date: November 23, 2017
    Inventors: Osamu Tsujii, Tetsuo Shimada, Sakiko Yamaguchi, Takahiro Noguchi
  • Publication number: 20170055929
    Abstract: An image processing apparatus obtains a three-dimensional radiation image of a right region of substantially symmetrical regions, obtains a three-dimensional radiation image of a left region of the substantially symmetrical regions, performs alignment between the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region based on a feature position of the regions, and substantially symmetrically arranges and displays the three-dimensional radiation image of the right region and the three-dimensional radiation image of the left region which have been aligned.
    Type: Application
    Filed: August 4, 2016
    Publication date: March 2, 2017
    Inventors: Yoshihito Machida, Tetsuo Shimada, Osamu Tsujii, Akira Yoshino, Maiko Sato, Hidehiko Morinaga
  • Publication number: 20170000449
    Abstract: A breast imaging apparatus, capable of performing mammogram imaging and CT imaging by a radiation imaging unit that holds a radiation generation unit and a radiation detection unit configured to detect radiation irradiation from the radiation generation unit such that the radiation generation unit and the radiation detection unit face each other, includes: a housing elevating unit configured to vertically move a housing support unit configured to support the radiation imaging unit; and a control unit configured to control the vertical movement of the housing elevating unit based on an imaging type that is one of mammogram imaging and CT imaging.
    Type: Application
    Filed: June 16, 2016
    Publication date: January 5, 2017
    Inventors: Osamu Tsujii, Tetsuo Shimada, Nobuhiro Takeuchi, Sakiko Yamaguchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki
  • Publication number: 20170000434
    Abstract: A radiation CT apparatus includes a rotation unit configured to rotate about a rotation axis, a radiation generation unit and a radiation detector which are fixed on either side of the rotation axis in the rotation unit, and a gantry cover containing the radiation generation unit and the radiation detector and including a breast insert portion configured to insert a breast of an object. An opening portion that can be opened and closed is placed on the gantry cover of the radiation CT apparatus. The radiation generation unit and the radiation detector are stopped to form a space that allows a user to access the breast insert portion from the opening portion.
    Type: Application
    Filed: June 16, 2016
    Publication date: January 5, 2017
    Inventors: Osamu Tsujii, Tetsuo Shimada, Sakiko Yamaguchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki
  • Publication number: 20170000435
    Abstract: A breast imaging apparatus includes a gantry which includes a radiation generation unit configured to generate a radiation and a radiation detection unit configured to detect the radiation generated from the radiation generation unit, and a support leg portion configured to support the gantry on a floor. The radiation generation unit and the radiation detection unit are capable of rotating in a state where the radiation generation unit and the radiation detection unit face each other. The support leg portion has a recess portion to insert feet of a subject.
    Type: Application
    Filed: June 28, 2016
    Publication date: January 5, 2017
    Inventors: Tetsuo Shimada, Osamu Tsujii, Hiroshi Komatsu, Sakiko Yamaguchi, Nobuhiro Takeuchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki, Yoshinori Hirano