中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

13 records (took 0.017 seconds)

    Image processing apparatus, radiography system, image processing method, and image processing program
    2.
    发明授权
    Image processing apparatus, radiography system, image processing method, and image processing program 有权

    公开(公告)号：US10987078B2

    公开(公告)日：2021-04-27

    申请号：US16296150

    申请日：2019-03-07

    Applicant: FUJIFILM CORPORATION

    Inventor： Tetsuya Tsuji

    IPC: A61B6/00 ,  G01T1/20

    Abstract: An image processing apparatus includes: an acquisition unit that acquires a radiographic image generated by a radiation detector irradiated with radiation from a radiography apparatus including the radiation detector in which plural pixels, each of which includes a conversion element that generates a larger amount of charge as it is irradiated with a larger amount of radiation, are arranged; and a correction unit that corrects scattered ray components caused by scattered rays of the radiation included in the radiographic image, using correction data for correcting scattered rays which is associated with each of plural regions in the radiographic image.

    Radiation image capturing system
    6.
    发明授权
    Radiation image capturing system 有权

    公开(公告)号：US09697923B2

    公开(公告)日：2017-07-04

    申请号：US14799004

    申请日：2015-07-14

    Applicant: FUJIFILM Corporation

    Inventor： Tetsuya Tsuji

    IPC: G01N23/04 ,  G21K4/00 ,  A61B6/00

    CPC classification number: G21K4/00 ,  A61B6/4266 ,  A61B6/4283 ,  A61B6/4291 ,  A61B6/4452 ,  A61B6/5241 ,  G21K2004/02

    Abstract: A radiation image capturing system capable of improving image quality of a radiation image is provided. A position of a joint of a grid is determined in consideration of displacement of an angle of incidence of radiation on a grid unit and a radiation detector group, and a joint image caused by the joint of the grid is prevented from being included in a search range of a position of a boundary in the radiation image captured by the radiation detector. The joint of the grid is provided in a position away ±(y1+2×y2)×tanβ or more from a position of a step of the radiation detector.

    Radiographic imaging device
    7.
    发明授权
    Radiographic imaging device 有权
    射线成像装置

    公开(公告)号：US09239392B2

    公开(公告)日：2016-01-19

    申请号：US14633149

    申请日：2015-02-27

    Applicant: FUJIFILM CORPORATION

    Inventor： Kohei Gemma ,  Kohei Ota ,  Tetsuya Tsuji ,  Kentaro Noma

    IPC: G01T1/10 ,  G01T1/20 ,  G01T1/29 ,  H01L27/146

    CPC classification number: G01T1/2006 ,  G01T1/2012 ,  G01T1/2018 ,  G01T1/2928 ,  G06T2207/10116 ,  H01L27/14676

    Abstract: In the radiographic imaging device, a portion of a second effective imaging region at a first side or a second side of a sensor unit of a second radiation detection panel, and a portion of a first effective imaging region at a third side or a fourth side of the sensor unit of a first radiation detection panel, are overlapped in a radiation irradiating direction. A portion of a second effective imaging region at the third side or the fourth side of the sensor unit of the second radiation detection panel, and a portion of a third effective imaging region at the third side or the fourth side of the sensor unit of the third radiation detection panel, are overlapped in the radiation irradiating direction. The second radiation detection panel is disposed at a side opposite the radiation irradiating section side of the first radiation detection panel and the third radiation detection panel.

    Abstract translation: 在放射线照相成像装置中，在第二放射线检测面板的传感器单元的第一侧或第二侧的第二有效成像区域的一部分和第三侧面或第四侧的第一有效成像区域的一部分 的第一辐射检测面板的传感器单元在辐射照射方向上重叠。 在第二放射线检测面板的传感器单元的第三侧或第四侧的第二有效成像区域的一部分和第三有效成像区域的第三有效成像区域的一部分，位于传感器单元的第三侧或第四侧 第三辐射检测面板在辐射照射方向上重叠。 第二放射线检测面板设置在与第一放射线检测面板和第三放射线检测面板的放射线照射部侧相反的一侧。

    Radiation imaging apparatus and control method thereof, and radiation imaging system
    8.
    发明授权
    Radiation imaging apparatus and control method thereof, and radiation imaging system 有权

    公开(公告)号：US10028364B2

    公开(公告)日：2018-07-17

    申请号：US14789599

    申请日：2015-07-01

    Applicant: FUJIFILM Corporation

    Inventor： Tetsuya Tsuji

    IPC: H01L27/144 ,  H01L27/146 ,  H01L27/148 ,  H05G1/44 ,  H05G1/56 ,  H05G1/38 ,  G01T1/02 ,  A61N5/10 ,  A61B6/00

    Abstract: An FPD detects an X-ray image of an object. The FPD includes a plurality of pixels arranged in its image capturing field. Each pixel receives X-rays emitted from an X-ray source, and outputs a pixel value in accordance with an X-ray dose applied thereto. A pixel determiner determines a minimum-value pixel out of the pixels based on the pixel values of the pixels. The minimum-value pixel is a pixel whose pixel value is the lowest. The pixel determiner sets the minimum-value pixel as an exposure control pixel. A comparator compares a first integrated value, which is an integrated value of the pixel values of the minimum-value pixel, with a predetermined first threshold value. The comparator performs X-ray emission control such that, when the first integrated value has reached the first threshold value, the X-ray source stops emitting the X-rays.

    Radiation imaging apparatus and control method thereof, and radiation imaging system
    9.
    发明授权
    Radiation imaging apparatus and control method thereof, and radiation imaging system 有权
    辐射成像装置及其控制方法及辐射成像系统

    公开(公告)号：US09101328B2

    公开(公告)日：2015-08-11

    申请号：US13754270

    申请日：2013-01-30

    Applicant: FUJIFILM Corporation

    Inventor： Tetsuya Tsuji

    IPC: H05G1/44 ,  H05G1/56 ,  G01T1/02 ,  A61B6/00 ,  G01T1/16 ,  H05G1/38 ,  G01T7/00 ,  G01T1/24

    CPC classification number: H05G1/44 ,  A61B6/4233 ,  A61B6/4283 ,  A61B6/52 ,  A61B6/542 ,  A61B6/548 ,  A61B2560/0214 ,  A61B2560/0266 ,  A61N5/1071 ,  G01N2223/306 ,  G01T1/02 ,  H01L27/144 ,  H01L27/146 ,  H01L27/14605 ,  H01L27/14812 ,  H05G1/38 ,  H05G1/56

    Abstract: An FPD detects an X-ray image of an object. The FPD includes a plurality of pixels arranged in its image capturing field. Each pixel receives X-rays emitted from an X-ray source, and outputs a pixel value in accordance with an X-ray dose applied thereto. A pixel determiner determines a minimum-value pixel out of the pixels based on the pixel values of the pixels. The minimum-value pixel is a pixel whose pixel value is the lowest. The pixel determiner sets the minimum-value pixel as an exposure control pixel. A comparator compares a first integrated value, which is an integrated value of the pixel values of the minimum-value pixel, with a predetermined first threshold value. The comparator performs X-ray emission control such that, when the first integrated value has reached the first threshold value, the X-ray source stops emitting the X-rays.

    Abstract translation: FPD检测物体的X射线图像。 FPD包括布置在其图像捕获领域中的多个像素。 每个像素接收从X射线源发射的X射线，并且根据应用于其的X射线剂量输出像素值。 像素确定器基于像素的像素值来确定像素中的最小值像素。 最小值像素是其像素值最低的像素。 像素确定器将最小值像素设置为曝光控制像素。 比较器将作为最小值像素的像素值的积分值的第一积分值与预定的第一阈值进行比较。 比较器执行X射线发射控制，使得当第一积分值达到第一阈值时，X射线源停止发射X射线。

    Radiography system, radiography method, radiography program, and derivation apparatus
    10.
    发明授权
    Radiography system, radiography method, radiography program, and derivation apparatus 有权

    公开(公告)号：US10709402B2

    公开(公告)日：2020-07-14

    申请号：US15980754

    申请日：2018-05-16

    Applicant: FUJIFILM CORPORATION

    Inventor： Tetsuya Tsuji

    IPC: G01T1/20 ,  A61B6/00

    Abstract: A radiography system includes a radiography apparatus including two radiation detectors and a console that corrects a ratio of pixel values in a region, which corresponds to a soft tissue of a subject and is a corresponding region of radiographic images generated by the two radiation detectors irradiated with radiations having different energy levels, on the basis of correction data corresponding to a body thickness, and derives the bone density of the subject on the basis of a difference between a ratio of pixel values in a region corresponding to a bone tissue of the subject and the corrected ratio of the pixel values.

Patent Agency Ranking