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    • 21. 发明授权
    • Radiological image capturing apparatus and radiological image capturing system
    • 放射摄影装置和放射摄影系统
    • US08908825B2
    • 2014-12-09
    • US13781840
    • 2013-03-01
    • Hiromu Ohara
    • Hiromu Ohara
    • G01N23/20A61B6/00G21K1/06
    • A61B6/4291A61B6/04A61B6/4007A61B6/4488A61B6/48A61B6/484A61B6/505A61B6/5258A61B6/5282A61B6/586G01N23/20075G21K1/06G21K2201/067G21K2207/005
    • There is described a radiological image capturing apparatus, which makes it possible to obtain a good X ray image in which contrast of the peripheral portions are emphasized by employing the Talbot interferometer method and the Talbot-Lau interferometer method. The apparatus is provided with an X-ray tube, a multi-slit member, a first diffraction grating, a second diffraction grating and an X-ray detector. The second diffraction grating contacts the X-ray detector. A distance L between the multi-slit element and the first diffraction grating is set to be not less than 0.5 m, a distance Z1 between the first diffraction grating and the second diffraction grating is set to be not less than 0.05 m, and a slit interval distance d0 of the multi-slit element is set to be not less than 2 μm. With the settings, the above-mentioned good X-ray image can be obtained by using the Talbot-Lau interferometer system.
    • 描述了一种放射图像捕获装置,其可以通过采用Talbot干涉仪方法和Talbot-Lau干涉仪方法来获得强调周边部分的对比度的良好X射线图像。 该装置设置有X射线管,多狭缝部件,第一衍射光栅,第二衍射光栅和X射线检测器。 第二衍射光栅接触X射线检测器。 多狭缝元件与第一衍射光栅之间的距离L被设定为不小于0.5μm,第一衍射光栅与第二衍射光栅之间的距离Z1被设定为不小于0.05μm,狭缝 多缝隙元件的间隔距离d0设定为2μm以上。 通过设置,可以使用Talbot-Lau干涉仪系统获得上述良好的X射线图像。
    • 22. 发明申请
    • RADIATION IMAGE RADIOGRAPHING SYSTEM
    • 辐射图像放射系统
    • US20090196398A1
    • 2009-08-06
    • US11910709
    • 2006-03-27
    • Hiromu Ohara
    • Hiromu Ohara
    • H05G1/64
    • A61B6/563A61B6/00A61B6/4494
    • A radiation image radiographing system using a combination of a plurality of consoles and a radiographic image detecting apparatus characterized by enhanced image verification efficiency. This radiation image radiographing system includes a radiographic image detecting apparatus for detecting an applied radiation, a plurality of consoles provided with a communication section for communicating with an external apparatus, the consoles being used to operate the radiographic image detecting apparatus, a control section as an association device for establishing associations between the radiographic image detecting apparatus and the console for operating the radiographic image detecting apparatus during radiographing operation, and a control section as an image information transmission device for sending the radiographic image information obtained based on the detection result of the radiographic image detecting apparatus, to at least the console associated by the control section, wherein the console has a display section for displaying the radiographic image information.
    • 一种使用多个控制台和放射线照相图像检测装置的组合的放射图像摄影系统,其特征在于增强的图像验证效率。 该放射线图像摄影系统包括用于检测所施加的辐射的放射线照相图像检测装置,设置有用于与外部设备通信的通信部分的多个控制台,所述控制台用于操作放射线照相图像检测装置,控制部分 关联装置,用于在放射线照相操作期间在射线照相图像检测装置和用于操作放射线照相图像检测装置的控制台之间建立关联;以及控制部分,作为图像信息发送装置,用于发送基于放射照相检测结果获得的放射线图像信息 图像检测装置,至少到由控制部分相关联的控制台,其中控制台具有用于显示放射线图像信息的显示部分。
    • 23. 发明申请
    • DIGITAL RADIATION IMAGE RADIOGRAPHING SYSTEM
    • 数字辐射图像放射系统
    • US20090116615A1
    • 2009-05-07
    • US11994481
    • 2006-05-23
    • Yuko ShindenHiromu Ohara
    • Yuko ShindenHiromu Ohara
    • G01N23/04
    • A61B6/588A61B6/4429A61B6/4494A61B6/484A61B6/589G01N23/04
    • To provide a digital radiation image imaging system capable of edge being an effect of a phase contrast radiography even an image is formed at any phase (position) on a reading control unit.In a digital radiation image radiographing system which comprises an X-ray tube to irradiate a radiographic subject with X-rays and a digital detector to detect X-rays having passed through the above-mentioned radiographic subject and performs a phase contrast radiography, when D (μm) represents the focal size of the above-mentioned X-ray tube, S (μm) represents the minimum control unit of the above-mentioned digital detector, R1 (m) represents a distance from the focus point of the above-mentioned X-ray tube to the above-mentioned radiographic subject, R2 (m) represents a distance from the above-mentioned radiographic subject to the above-mentioned digital detector, M represents an enlargement ratio of M=(R1+R2)/R1 and E represents an edge enhancement width according to X-ray refraction, the formula of (D≧2S/(M−1)) is satisfied.
    • 为了提供即使在读取控制单元上的任何阶段(位置)都形成图像的能够使边缘成为相位放射线照相的效果的数字辐射图像成像系统。 在包括用X射线照射摄影对象的X射线管和数字检测器的数字放射线图像摄影系统中,检测通过上述射线摄影对象的X射线,进行相位对比度摄影,当D (母)表示上述X射线管的焦距,S(母)表示上述数字式检测器的最小控制单位,R1(m)表示与上述的X射线管的焦点的距离 X射线管到上述放射线摄影对象时,R2(m)表示从上述射线照相被摄体到上述数字检测器的距离,M表示M =(R1 + R2)/ R1的放大比, E表示根据X射线折射的边缘增强宽度,满足(D> = 2S /(M-1))的公式。
    • 24. 发明授权
    • Digital phase contrast X-ray radiographing system
    • 数字相位对比X射线摄影系统
    • US07184516B2
    • 2007-02-27
    • US10318660
    • 2002-12-12
    • Hiromu OharaChika Honda
    • Hiromu OharaChika Honda
    • G01N23/04
    • A61B6/484A61B6/00A61B6/4092A61B6/502G01N23/04G21K2207/005
    • An X-ray image radiographing system for radiographing a subject is provided with an X-ray source to emit X-rays; a digital X-ray detector to detect a digital X-ray image of the subject, wherein the subject is placed between the X-ray source and the digital X-ray detector in an arrangement to satisfy the following formulas so that an edge of the digital X-ray image is enhanced oven an edge-enhanced width: 0.1 m≦R1≦10 m, and 0.15 m≦R2≦10 m, where R1 is a distance between the X-ray tube and the subject and R2 is a distance between the subject and the digital X-ray detector. The digital X-ray detector has a pixel size almost equal to the half of the edge-enhanced width.
    • 用于对被检体进行放射线照相的X射线图像摄影系统设置有X射线源以发射X射线; 用于检测被检体的数字X射线图像的数字X射线检测器,其中被检体被设置在X射线源和数字X射线检测器之间,以满足下列公式,使得 数字X射线图像是增强烤箱的边缘增强宽度:0.1μm<= R 1 <=10μm,0.15μm<= R 2 <=10μm,其中R 1是X射线管和 被摄体和R 2是被摄体与数字X射线检测器之间的距离。 数字X射线检测器具有几乎等于边缘增强宽度的一半的像素尺寸。
    • 26. 发明授权
    • Radiation image formation system
    • 辐射影像形成系统
    • US07027556B2
    • 2006-04-11
    • US10746704
    • 2003-12-24
    • Hiromu Ohara
    • Hiromu Ohara
    • G01N23/04
    • A61B6/484A61B6/04A61B6/4092A61B6/4216A61B6/4452A61B6/502A61B6/545A61B6/588
    • A radiation image formation system capable of reducing a magnified phase contrast image radiographed to life size and of outputting the reduced image at an output apparatus. The radiation image formation system has a magnified radiography setting unit for setting a magnifying rate M which satisfies: magnifying rate M≦input pixel size A/minimum output pixel size B where the input pixel size A is a size of pixels composing a radiation image detected by a radiation image detector, and the minimum output pixel size B is a minimum size of pixels composing image data output by an image output apparatus, wherein a radiation image radiographing apparatus radiographs the radiation image at the magnifying rate M and an image process apparatus reduces the radiation image at the reducing rate 1/M.
    • 一种辐射图像形成系统,其能够减小放射照相的生命尺寸的放大相位差图像,并且在输出装置处输出缩小图像。 放射线图像形成系统具有放大图像设定单元,用于设定满足:放大率M <=输入像素尺寸A /最小输出像素尺寸B的放大率M,其中输入像素尺寸A是构成放射线图像的像素的尺寸 并且最小输出像素尺寸B是构成由图像输出装置输出的图像数据的像素的最小尺寸,其中,放射线图像摄影装置以放大率M对放射线图像进行X射线照相和图像处理装置 以减少率1 / M减少辐射图像。
    • 28. 发明授权
    • Radiographic image forming method
    • 射线照相成像方法
    • US5834153A
    • 1998-11-10
    • US746740
    • 1996-11-15
    • Takuji HasegawaHiromu Ohara
    • Takuji HasegawaHiromu Ohara
    • G03C1/00G03C1/46G03C5/17G21K4/00
    • G03C5/17G21K4/00G21K2004/06Y10S430/167
    • A radiographic image forming method is disclosed. The method comprises the steps of (1) interposing a silver halide photographic material which comprises a support having a silver halide emulsion layer on each of both sides the support and has a cross-over value of not more than 15%, between two sheets of an intensifying screen comprising a support and a fluorescent layer composed of plural fluorescent sub-layers and a protect layer provided on the support in this order from the support, in which the fluorescent sub-layers each comprises a binder and particles of a fluorescent substance having the average particle size R and the standard deviation .sigma. of the particle size distribution satisfying a relation of 0
    • 公开了放射线图像形成方法。 该方法包括以下步骤:(1)插入卤化银照相材料,该材料包括在支撑体的两侧各自具有卤化银乳剂层的载体,并且具有不超过15%的交叉值,两片 增强屏幕包括支撑体和由多个荧光子层组成的荧光层和从支撑体依次设置在支撑体上的保护层,其中荧光子层各自包含粘合剂和具有荧光物质的颗粒, 平均粒径R和满足0
    • 30. 发明授权
    • X-ray image processing system
    • X射线图像处理系统
    • US08009892B2
    • 2011-08-30
    • US11840780
    • 2007-08-17
    • Hiromu OharaTatsuya Takagi
    • Hiromu OharaTatsuya Takagi
    • G06K9/00
    • A61B6/484A61B6/588A61B6/589G06T5/002G06T5/004H04N5/3205
    • An X-ray image processing system, comprises: a radiographing section including an X-ray source to emit X-rays for an object to be radiographed and an image detector to detect X-rays having passed through the object, wherein the radiographing section is adapted to conduct a phase contrast radiography by providing a space between the object and the image detector and by irradiating X-rays having an X-ray energy of 15 to 30 (keV) from the X-ray source to the object; an image data producing section to produce X-ray image data of X-ray image detected by the image detector; an image processing section to applying an image processing including a noise reducing process for the produced X-ray image data; and an output section to output the processed image data applied with the image processing.
    • 一种X射线图像处理系统,其特征在于,包括:X射线源,X射线源,X射线源,X射线检测器,X射线检测器,X射线检测器,X射线检测器,X射线检测器,X射线检测器,X射线检测器, 适于通过在物体和图像检测器之间提供空间并通过从X射线源将X射线能量为15至30(keV)的X射线照射到物体来进行相位对比度放射线照相; 图像数据产生部分,用于产生由图像检测器检测的X射线图像的X射线图像数据; 图像处理部分,用于对所产生的X射线图像数据应用包括降噪处理的图像处理; 以及输出部,输出应用了图像处理的处理后的图像数据。