Patents by Inventor Takashi Tajima

Takashi Tajima 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: 10634799
    Abstract: A radiography system includes a radiography apparatus including first and second radiation detectors and, in a case in which a value corresponding to at least one of a first electric signal or a second electric signal is less than a threshold value, a console derives second imaging conditions using at least one of the first electric signal or the second electric signal, the first electric signal being a signal obtained by converting charge generated in the pixels of the first radiation detector under first imaging conditions, and having a level that increases as an amount of charge increases, the second electric signal being a signal obtained by converting charge generated in the pixels of the second radiation detector under the first imaging conditions, and having a level that increases as an amount of charge increases.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 28, 2020
    Assignee: FUJIFILM CORPORATION
    Inventor: Takashi Tajima
  • Patent number: 10595804
    Abstract: A control unit acquires first radiographic image data and second radiographic image data and derives bone density from an image of a derivation region of a DXA image which is a difference image between a first radiographic image and a second radiographic image. Then, the control unit derives an evaluation value of the accuracy of derivation of the bone density, on the basis of at least one of the first radiographic image, the second radiographic image, and a bone part ES image, a soft part ES image, and a DXA image which are generated using the first radiographic image and the second radiographic image.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: March 24, 2020
    Assignee: FUJIFILM CORPORATION
    Inventor: Takashi Tajima
  • Publication number: 20200054301
    Abstract: A radiographic imaging system includes a portable information terminal 16 and a console 18 which are plural control devices of which each one performs a control relating to imaging of a radiographic image and of which at least one is selectively used; and a terminal control unit 30 of the portable information terminal 16 and a control unit 50 of the console 18 that respectively function as a setting unit that sets, with respect to at least one of usage control devices which is control device to be selectively used, control content based on one usage control device in a case where the number of usage control devices is one, and sets control content based on a combination of plural usage control devices in a case where the number of usage control devices is plural.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Applicant: FUJIFILM Corporation
    Inventor: Takashi TAJIMA
  • Publication number: 20200015770
    Abstract: Disclosed is a technique capable of enhancing usability of a radiographic image capturing apparatus, system, control method of the radiographic image capturing apparatus and a non-transitory computer readable recording medium recorded with a control program, for a user. A radiographic image capturing apparatus includes: an I/F unit and an imaging control unit that function as a communication unit that selectively performs communication with any one of a portable information terminal and a console which are plural control apparatuses that have different image processing capacities with respect to a radiographic image and respectively perform a control relating to capturing of the radiographic image; and an imaging control unit that functions as a selection unit that selects any one of plural imaging modes predetermined with respect to the capturing of the radiographic image according to the image processing capacity of the control apparatus that performs communication with the communication unit.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: Yasufumi ODA, Jun Enomoto, Ryo Imamura, Takashi Tajima, Takeshi Koishi, Kentaro Noma, Takeshi Kuwabara, Tetsuya Tsuji, Hiroaki Yasuda, Harusayu Nakatsugawa
  • Patent number: 10492750
    Abstract: A radiographic imaging system includes a portable information terminal 16 and a console 18 which are plural control devices of which each one performs a control relating to imaging of a radiographic image and of which at least one is selectively used; and a terminal control unit 30 of the portable information terminal 16 and a control unit 50 of the console 18 that respectively function as a setting unit that sets, with respect to at least one of usage control devices which is control device to be selectively used, control content based on one usage control device in a case where the number of usage control devices is one, and sets control content based on a combination of plural usage control devices in a case where the number of usage control devices is plural.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: December 3, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Takashi Tajima
  • Patent number: 10485506
    Abstract: Disclosed is a technique capable of enhancing usability of a radiographic image capturing apparatus, system, control method of the radiographic image capturing apparatus and a non-transitory computer readable recording medium recorded with a control program, for a user. A radiographic image capturing apparatus includes: an I/F unit and an imaging control unit that function as a communication unit that selectively performs communication with any one of a portable information terminal and a console which are plural control apparatuses that have different image processing capacities with respect to a radiographic image and respectively perform a control relating to capturing of the radiographic image; and an imaging control unit that functions as a selection unit that selects any one of plural imaging modes predetermined with respect to the capturing of the radiographic image according to the image processing capacity of the control apparatus that performs communication with the communication unit.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: November 26, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yasufumi Oda, Jun Enomoto, Ryou Imamura, Takashi Tajima, Kentaro Noma, Takeshi Kuwabara, Tetsuya Tsuji, Hiroaki Yasuda, Haruyasu Nakatsugawa, Takeshi Koishi
  • Patent number: 10321887
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: June 18, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Takashi Tajima, Jun Enomoto, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Publication number: 20190130427
    Abstract: A candidate site evaluation system includes: an evaluator that evaluates suitability of a candidate site in a target area based on a candidate site evaluation model and a second map, the candidate site evaluation model being obtained as a result of machine learning using a first map that shows any area and position information indicating locations of one or more existing facilities of a predetermined business type in the any area and being for evaluating the candidate site for opening a facility of the predetermined business type, the second map showing the target area including the candidate site to be evaluated; and an output unit that outputs a result of the evaluation.
    Type: Application
    Filed: October 23, 2018
    Publication date: May 2, 2019
    Inventors: Takahiro SUGIMOTO, Takashi TAJIMA, Masataka EJIMA
  • Patent number: 10258305
    Abstract: It is detected whether a grid stripe is present in a radiographic image. In a case in which the grid stripe is detected, a process of removing the grid stripe from the radiographic image is performed and the radiographic image is displayed. In a case in which the grid stripe is not detected, a process of removing a scattered component from the radiographic image is performed and a radiographic image subjected to the scattered radiation removal process and a radiographic image before the process are displayed.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: April 16, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Jun Enomoto, Takashi Tajima, Takeshi Koishi, Haruyasu Nakatsugawa, Hirofumi Sawada, Daiki Harada, Takahiro Kawamura, Satoshi Naito, Hideki Yamagishi, Noriaki Ida
  • Patent number: 10219770
    Abstract: A radiographic image captured by irradiating a subject with radiation is acquired. A scattered radiation removal unit removes a scattered component from the radiographic image using at least imaging conditions. A correction information acquisition unit acquires correction information for correcting the degree of removal of the scattered component and changes the imaging conditions on the basis of the correction information. The scattered radiation removal unit performs a process of removing the scattered component from the radiographic image on the basis of the changed imaging conditions.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: March 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Jun Enomoto, Takashi Tajima, Takeshi Koishi, Haruyasu Nakatsugawa, Hirofumi Sawada, Daiki Harada, Takahiro Kawamura, Satoshi Naito, Hideki Yamagishi, Noriaki Ida
  • Publication number: 20190008472
    Abstract: A control unit of a console performs a first correction process for generating a diagnosis image for a second radiographic image captured by a second radiation detector and generates the diagnosis image, using the second radiographic image subjected to the first correction process and a first radiographic image captured by a first radiation detector. The control unit performs a second correction process for deriving a quantitative value for the second radiographic image captured by the second radiation detector and derives bone density, using the second radiographic image subjected to the second correction process and the first radiographic image captured by the first radiation detector.
    Type: Application
    Filed: September 13, 2018
    Publication date: January 10, 2019
    Inventors: Takashi TAJIMA, Takeshi KUWABARA
  • Patent number: 10154825
    Abstract: The present disclosure provides an image processing device including: a scattered radiation correction data acquisition section that acquires scattered radiation correction data as a result of radiation being irradiated onto a radiographic imaging device that images a radiographic image; a pixel region acquisition section that acquires information indicating a size of an effective pixel region of the radiographic imaging device; an exposure range acquisition section that acquires information indicating an imaging exposure range of radiation for imaging an imaging subject with the radiographic imaging device; an image data acquisition section that acquires image data as a result of imaging a radiographic image of the imaging subject; and a correction section that corrects the image data acquired by the image data acquisition section using the scattered radiation correction data, in a case in which the imaging exposure range includes an area outside of the effective pixel region.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: December 18, 2018
    Assignee: FUJIFILM CORPORATION
    Inventors: Jun Enomoto, Takashi Tajima, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Publication number: 20180344280
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takashi TAJIMA, Jun ENOMOTO, Yasufumi ODA, Takeshi KUWABARA, Daiki HARADA, Yuichi HOSOI, Haruyasu NAKATSUGAWA
  • Publication number: 20180333118
    Abstract: A control unit acquires first radiographic image data and second radiographic image data and derives bone density from an image of a derivation region of a DXA image which is a difference image between a first radiographic image and a second radiographic image. Then, the control unit derives an evaluation value of the accuracy of derivation of the bone density, on the basis of at least one of the first radiographic image, the second radiographic image, and a bone part ES image, a soft part ES image, and a DXA image which are generated using the first radiographic image and the second radiographic image.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 22, 2018
    Inventor: Takashi TAJIMA
  • Publication number: 20180333119
    Abstract: A control unit of a console acquires first radiographic image data and second radiographic image data and determines whether a reference line which satisfies a predetermined accuracy for defining a bone mass is capable of being derived, on the basis of a pixel value of an initial soft region of a DXA profile indicating a correspondence relationship between a pixel position and the pixel value in a derivation region including a soft region and a bone region in a DXA image which is a difference image between a first radiographic image and a second radiographic image and is used to derive at least one of bone density or bone mineral content. In a case in which it is determined that the reference line is capable of being derived, the control unit derives the reference line on the basis of the pixel value of the initial soft region.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 22, 2018
    Inventor: Takashi TAJIMA
  • Publication number: 20180333126
    Abstract: A control unit of a console performs a control process of displaying a plurality of images predetermined from at least one of a first radiographic image or a second radiographic image as a simple image, a bone part ES image which is a difference image between the first radiographic image and the second radiographic image and in which a bone tissue is highlighted, a soft part ES image which is a difference image between the first radiographic image and the second radiographic image and in which a soft tissue is highlighted, and a DXA image on a display unit while switching the images and a control process of displaying a derivation result of the bone density and a derivation region on the display unit.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 22, 2018
    Inventor: Takashi TAJIMA
  • Patent number: 10123757
    Abstract: An overall controller of a console acquires a radiation image of an imaging subject captured by a radiation image capture device for radiographic imaging. The overall controller also acquires body thickness information indicating a body thickness of the imaging subject in a direction in which radiation passes through. The overall controller also adds to the radiation image an assist line image that have would be expected to be obtained if a predetermined member had been disposed and captured at a position inside the imaging subject determined based on the acquired body thickness information, or at a position between the imaging subject and the radiation image capture device.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: November 13, 2018
    Assignee: FUJIFILM CORPORATION
    Inventor: Takashi Tajima
  • Patent number: 10074679
    Abstract: A sensor panel of an electric cassette is provided with detection pixels for AEC to stop X-ray irradiation when an accumulated dose of the X-rays reaches a target dose. A plurality of small blocks each containing a plurality of the detection pixels for calculating the accumulated dose are disposed in each of a plurality of large blocks obtained by dividing an imaging area. The small blocks are disposed so as not to be overlapped with each other in a Y direction.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: September 11, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Takashi Tajima
  • Patent number: 10058301
    Abstract: In an image analysis device, an image analysis method, and a non-transitory computer-readable recording medium, it is determined whether a radiographic image is captured by rocking a rocking imaging grid. The image analysis device includes: a radiographic image acquisition section; a dosage data acquisition section that acquires dosage data indicating, in a time-series manner, a dosage of radiation rays exposed to a specific position in an imaging area in a specific period; and a determining section that determines whether the dosage data has a first feature indicating a dosage variation as a plurality of radiation absorbing bodies and a radiation transmitting body disposed between adjacent radiation absorbing bodies pass through a space between the specific position and a radiation source, and determines that the radiographic image corresponding to the dosage data determined to have the first feature is a rocking grid use image captured by rocking a rocking imaging grid.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: August 28, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Takashi Tajima, Jun Enomoto, Yasufumi Oda, Takeshi Kuwabara, Daiki Harada, Yuichi Hosoi, Haruyasu Nakatsugawa
  • Publication number: 20180228459
    Abstract: Disclosed is a technique capable of enhancing usability of a radiographic image capturing apparatus, system, control method of the radiographic image capturing apparatus and a non-transitory computer readable recording medium recorded with a control program, for a user. A radiographic image capturing apparatus includes: an I/F unit and an imaging control unit that function as a communication unit that selectively performs communication with any one of a portable information terminal and a console which are plural control apparatuses that have different image processing capacities with respect to a radiographic image and respectively perform a control relating to capturing of the radiographic image; and an imaging control unit that functions as a selection unit that selects any one of plural imaging modes predetermined with respect to the capturing of the radiographic image according to the image processing capacity of the control apparatus that performs communication with the communication unit.
    Type: Application
    Filed: April 17, 2018
    Publication date: August 16, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yasufumi ODA, Jun ENOMOTO, Ryou IMAMURA, Takashi TAJIMA, Kentaro NOMA, Takeshi KUWABARA, Tetsuya TSUJI, Hiroaki YASUDA, Haruyasu NAKATSUGAWA, Takeshi KOISHI