Patents by Inventor Wataru FUKUDA

Wataru FUKUDA 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: 20210204897
    Abstract: An image interpretation support apparatus includes an acquisition unit, an acceptance unit, and a specifying unit. The acquisition unit acquires a two-dimensional standard image having information on a breast, and a plurality of tomographic images in a plurality of tomographic planes of the breast which are obtained by tomosynthesis imaging of the breast. The acceptance unit accepts a selection instruction of a location on the two-dimensional standard image. In a case where the selection instruction is accepted in the acceptance unit, the specifying unit specifies a corresponding tomographic plane corresponding to a selected location which is the location of which the selection instruction is accepted in the acceptance unit, from among the plurality of tomographic planes on the basis of the plurality of tomographic images.
    Type: Application
    Filed: March 23, 2021
    Publication date: July 8, 2021
    Inventor: Wataru FUKUDA
  • Publication number: 20210183062
    Abstract: An image processing apparatus including: an acquisition unit that acquires a first radiographic image captured by irradiating a subject, in which a contrast agent is administered, with radiation of a first energy and a second radiographic image captured by irradiating the subject with radiation of a second energy; a generation unit that generates a difference image between the first and the second radiographic image; and a correction unit that performs a correction on either one of the first and second radiographic images or the difference image to remove an artifact component which generates an artifact predetermined as an appearance similar to that of a contrast agent imaging by the contrast agent, wherein, in a case in which the correction unit performs the correction on the first and the second radiographic image, the generation unit generates a difference image between the corrected first and second radiographic image.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 11010937
    Abstract: Provided are an image processing apparatus, an image processing method, and a non-transitory recording medium storing an image processing program that can further improve the quality of a pseudo two-dimensional image generated using tomographic images. A control unit of a console acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles. In addition, the control unit generates a pseudo two-dimensional image by reducing a weight of a noise pixel which is more affected by noise than a pixel of an object of interest or excluding the noise pixel, using a plurality of tomographic images reconstructed from the plurality of projection images.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: May 18, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20210082095
    Abstract: A combination unit generates a plurality of composite two-dimensional images from a plurality of tomographic images acquired by performing tomosynthesis imaging on an object using different generation methods. In this case, the combination unit generates a first composite two-dimensional image having a quality corresponding to a two-dimensional image acquired by simple imaging or a second composite two-dimensional image in which a structure included in the object has been highlighted as at least one of the plurality of composite two-dimensional images.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 18, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 10950013
    Abstract: In a console, a control unit functions as an acquisition unit and a generation unit according to the present disclosure. The acquisition unit acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles. The generation unit generates a slab image with a thickness corresponding to the range from a first height to a second height.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 16, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20210059622
    Abstract: A display control unit displays, on a display unit, at least some of a plurality of images included in each of a plurality of image sets of the same object which have been captured at different imaging dates and times and each of which consists of the plurality of images including at least a plurality of tomographic images acquired by performing tomosynthesis imaging for the object. A setting unit sets at least one past image set, which was acquired at an imaging date and time before the latest imaging date and time and includes images at least some of which have been displayed, among the plurality of image sets as having been displayed.
    Type: Application
    Filed: July 24, 2020
    Publication date: March 4, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20210049731
    Abstract: A display control unit displays, on a display unit, a tomographic image for which a display command is given among a plurality of tomographic images acquired by performing tomosynthesis imaging for an object. A setting unit sets the displayed tomographic image as having been displayed.
    Type: Application
    Filed: July 23, 2020
    Publication date: February 18, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 10898145
    Abstract: An image acquisition unit acquires a plurality of projection images corresponding to a plurality of radiation source positions at the time of tomosynthesis imaging, the plurality of projection images being generated by causing an imaging apparatus to perform tomosynthesis imaging in which radiation is emitted to a subject. A structure position specifying unit specifies one structure position in the subject. A display controller specifies projection positions of the structure position in the plurality of projection images, and performs switching display of the plurality of projection images on a display unit so that the projection positions match a predetermined position on the display unit.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: January 26, 2021
    Assignee: FUJIFILM CORPORATION
    Inventors: Junya Morita, Wataru Fukuda
  • Publication number: 20210019922
    Abstract: An image processing system comprising includes: an acquisition unit that acquires a plurality of projection images obtained by tomosynthesis imaging in which radiation is emitted from a radiation source to a breast at different irradiation angles and a projection image is captured at each irradiation angle by a radiation detector; a tomographic image generation unit that generates a plurality of tomographic images in each of a plurality of tomographic planes of the breast, from the plurality of projection images; a composite two-dimensional image generation unit that generates a composite two-dimensional image from a plurality of images selected from among the plurality of projection images and the plurality of tomographic images; an information generation unit that generates correspondence relationship information representing a correspondence relationship between a position in the composite two-dimensional image and a depth of a tomographic plane corresponding to the position; a display controller that perf
    Type: Application
    Filed: June 11, 2020
    Publication date: January 21, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 10891764
    Abstract: A control unit of a console acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles and decomposes each of the plurality of projection images into a plurality of first projection images with a low-frequency component lower than a predetermined spatial frequency and a plurality of second projection images with a high-frequency component higher than the predetermined spatial frequency. The control unit generates a pseudo two-dimensional image using a plurality of first tomographic images and a plurality of second tomographic images.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: January 12, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20200357152
    Abstract: In a console according to an embodiment, a control unit functions as a generation unit that generates a tomographic image from a plurality of projection images, which have been captured by a radiation detector at each of a plurality of imaging positions with different irradiation angles, with radiation sequentially emitted from each of the plurality of imaging positions, using a reconstruction process. In addition, the control unit functions as a derivation unit that derives the degree of enhancement as a parameter value used in a frequency enhancement process which is an example of image processing for a tomographic image, on the basis of the image analysis result of a projection image corresponding to an irradiation angle of 0 degrees.
    Type: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Inventor: Wataru FUKUDA
  • Patent number: 10810766
    Abstract: In a console according to an embodiment, a control unit functions as a generation unit that generates a tomographic image from a plurality of projection images, which have been captured by a radiation detector at each of a plurality of imaging positions with different irradiation angles, with radiation sequentially emitted from each of the plurality of imaging positions, using a reconstruction process. In addition, the control unit functions as a derivation unit that derives the degree of enhancement as a parameter value used in a frequency enhancement process which is an example of image processing for a tomographic image, on the basis of the image analysis result of a projection image corresponding to an irradiation angle of 0 degrees.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: October 20, 2020
    Assignee: FUJIFILM CORPORATION
    Inventor: Wataru Fukuda
  • Patent number: 10796420
    Abstract: In an energy subtraction processing apparatus, method, and a non-transitory computer readable recording medium storing program, a high-quality image is generated by acquiring an absorption coefficient suitable for a subject. A subject information acquisition unit acquires the thickness information of a breast and a mammary gland content rate, as subject information, based on a low voltage image acquired by energy subtraction imaging. An absorption coefficient acquisition unit acquires an absorption coefficient corresponding to the subject information with reference to the relationship between the thickness of the breast and the X-ray absorption coefficient, which is calculated in advance. Based on the absorption coefficient acquired by the absorption coefficient acquisition unit, a weighting coefficient calculation unit calculates a weighting coefficient at the time of performing energy subtraction processing.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: October 6, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Patent number: 10779784
    Abstract: A subject information acquisition unit of a mammary gland amount calculation unit acquires the thickness and the mammary gland amount of the breast based on a low voltage image. An absorption coefficient acquisition unit acquires an absorption coefficient of fat and an absorption coefficient of mammary gland with reference to the relationship between the thickness of the breast and the X-ray absorption coefficient, which is calculated in advance according to the energy distribution and the substance forming the breast. A calculation unit calculates a new thickness and a new mammary gland amount of the breast based on the low voltage image, a high voltage image, a tube voltage at the time of imaging, the absorption coefficient of fat, and the absorption coefficient of mammary gland.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: September 22, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Patent number: 10755449
    Abstract: An image acquisition unit acquires a plurality of projected images from a CT apparatus. A reconstruction unit reconstructs the plurality of projected images to produce a plurality of tomographic images. A scattered ray removal unit removes scattered ray components included in radiation transmitted through the subject from the plurality of projected images based on the tomographic images. The repetition unit performs repetition processing of repeating production of a new tomographic image obtained by reconstructing the projected images from which the scattered ray components are removed, and the removal of the scattered ray components from the plurality of projected images based on the new tomographic image.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 25, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20200008759
    Abstract: An image acquisition unit acquires a plurality of projection images corresponding to a plurality of radiation source positions at the time of tomosynthesis imaging, the plurality of projection images being generated by causing an imaging apparatus to perform tomosynthesis imaging in which radiation is emitted to a subject. A structure position specifying unit specifies one structure position in the subject. A display controller specifies projection positions of the structure position in the plurality of projection images, and performs switching display of the plurality of projection images on a display unit so that the projection positions match a predetermined position on the display unit.
    Type: Application
    Filed: June 10, 2019
    Publication date: January 9, 2020
    Inventors: Junya MORITA, Wataru FUKUDA
  • Publication number: 20190388051
    Abstract: An image acquisition unit acquires a plurality of projection images, which are generated by causing an imaging apparatus to perform tomosynthesis imaging for irradiating a subject with radiation under a first imaging condition for tomosynthesis imaging and which respectively correspond to a plurality of radiation source positions at the time of tomosynthesis imaging. A body movement determination unit determines whether or not the body movement of the subject is occurring during tomosynthesis imaging on the basis of the plurality of projection images. A condition setting unit sets a second imaging condition for simple imaging in the imaging apparatus in a case where the body movement is occurring.
    Type: Application
    Filed: May 28, 2019
    Publication date: December 26, 2019
    Inventors: Junya MORITA, Wataru FUKUDA
  • Publication number: 20190221010
    Abstract: Provided are an image processing apparatus, an image processing method, and a non-transitory recording medium storing an image processing program that can further improve the quality of a pseudo two-dimensional image generated using tomographic images. A control unit of a console acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles. In addition, the control unit generates a pseudo two-dimensional image by reducing a weight of a noise pixel which is more affected by noise than a pixel of an object of interest or excluding the noise pixel, using a plurality of tomographic images reconstructed from the plurality of projection images.
    Type: Application
    Filed: December 5, 2018
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20190221013
    Abstract: A control unit of a console acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles and decomposes each of the plurality of projection images into a plurality of first projection images with a low-frequency component lower than a predetermined spatial frequency and a plurality of second projection images with a high-frequency component higher than the predetermined spatial frequency. The control unit generates a pseudo two-dimensional image using a plurality of first tomographic images and a plurality of second tomographic images.
    Type: Application
    Filed: November 30, 2018
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20190221012
    Abstract: In a console, a control unit functions as an acquisition unit and a generation unit according to the present disclosure. The acquisition unit acquires a plurality of projection images obtained by irradiating a subject disposed between a radiation source and a radiation detector with radiation emitted from the radiation source at different irradiation angles and capturing the radiation with the radiation detector at each of the irradiation angles. The generation unit generates a slab image with a thickness corresponding to the range from a first height to a second height.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA