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    • 41. 发明授权
    • Interactive drawing recognition processing method and apparatus thereof
    • 交互式绘图识别处理方法及其装置
    • US6118897A
    • 2000-09-12
    • US296526
    • 1999-04-22
    • Hideki Kohno
    • Hideki Kohno
    • G06K9/00G06K9/46
    • G06K9/481G06K9/00476
    • A drawing is read by a scanner to create raster data. A labeling process is executed for the data to extract a contour line for each pattern element resultant from the labeling process to produce contour line data and region data to manage, in a tree structure, information related to a circumscribed rectangle of each line segment of the contour line. When the operator picks by a pointing device a predetermined region on the screen of a display and a pair of line segments for recognition, there is retrieved region data corresponding to the specified region. After extracting contour line data associated with the retrieved region data, a center line creation process is executed according to the extracted contour line data.
    • 扫描仪读取图形以创建栅格数据。 执行标签处理以便数据从标签处理中提取每个图案元素的轮廓线,以产生轮廓线数据和区域数据,以树结构来管理与每个线段的外接矩形有关的信息 轮廓线。 当操作员通过指示装置选择显示屏幕上的预定区域和用于识别的一对线段时,检索对应于指定区域的区域数据。 在提取与检索到的区域数据相关联的轮廓线数据之后,根据提取的轮廓线数据执行中心线创建处理。
    • 42. 发明授权
    • X-ray examination apparatus
    • X光检查仪
    • US5832056A
    • 1998-11-03
    • US716545
    • 1996-09-19
    • Mikio MochitateHiroshi AbeHideki Kohno
    • Mikio MochitateHiroshi AbeHideki Kohno
    • A61B6/00A61B6/03A61B6/04H05G1/06
    • A61B6/0457A61B6/032
    • An X-ray examination apparatus includes an X-ray diagnosis apparatus (first imaging area), an X-ray CT apparatus (second imaging area), a bed, and the X-ray diagnosis apparatus and the X-ray CT apparatus are arranged along a path of movement of a top plate of the bed in such a manner that the first and second imaging areas are spaced a predetermined distance from each other in a path of movement of the top plate. There is provided a top plate reciprocal movement control means which through operations of switches moves the top plate forward and backward between a first top plate position where a desired part of the patient is positioned at the first imaging area and a second top plate position where the top plate is spaced from the first top plate position toward the X-ray CT apparatus by a distance corresponding to the distance between the first and second imaging areas so that in the reciprocal movement of the two apparatuses, the top plate can be stopped at the first and second top plate position.
    • X射线检查装置包括X射线诊断装置(第一摄像区域),X射线CT装置(第二摄像区域),床,X射线诊断装置和X射线CT装置 沿着床的顶板的移动路径,使得第一和第二成像区域在顶板的移动路径中彼此隔开预定的距离。 提供了一种顶板往复运动控制装置,其通过开关的操作使顶板在患者的期望部分位于第一成像区域的第一顶板位置和第二顶板位置之间向前和向后移动, 顶板与第一顶板位置朝向X射线CT装置隔开与第一和第二成像区域之间的距离相对应的距离,使得在两个装置的往复运动中,顶板可以停在 第一和第二顶板位置。
    • 50. 发明授权
    • Radiation detector
    • 辐射检测器
    • US4492869A
    • 1985-01-08
    • US313171
    • 1981-10-20
    • Atsushi SuzukiHiromichi YamadaYoko UchidaHideki KohnoMinoru Yoshida
    • Atsushi SuzukiHiromichi YamadaYoko UchidaHideki KohnoMinoru Yoshida
    • A61B6/00G01T1/164G01T1/20
    • G01T1/2002G01T1/2018
    • In a radiation detector having a radiation-stimulated light emitting scintillator and a photodetector for receiving the light emission from the scintillator, the scintillator is formed of a layer of phosphor particles and a light scattering layer is provided in an optical path between the phosphor particle layer and the photodetector. Light generated in the surface of the scintillator is scattered and absorbed by the light scattering layer in some degree so that the reduced quantity of light incident upon the photodetector lowers the output of the photodetector. This effect is balanced with the lowering of the photodetector output due to the absorption and scattering of light generated at the inner parts of the scintillator and further removes anisotropic light emission. As a result, signal-to-noise ratio is greatly improved.A shielding layer between the scintillator and photodetector prevents secondary radiation such as scattered and fluorescent radiation from reaching the photodetector. The shielding layer can also serve as the scattering layer.
    • 在具有辐射激发的发光闪烁体的辐射检测器和用于接收来自闪烁体的发光的光检测器中,闪烁体由荧光体颗粒层形成,并且光散射层设置在荧光体颗粒层 和光电检测器。 在闪烁器表面产生的光在一定程度上被光散射层散射和吸收,使得入射到光电检测器上的光的减少使得光电检测器的输出降低。 由于在闪烁器的内部部分产生的光的吸收和散射,光电检测器输出的降低会使这种效果平衡,并进一步消除各向异性发光。 结果,信噪比大大提高。 闪烁体和光电检测器之间的屏蔽层防止二次辐射如散射和荧光辐射到达光电探测器。 屏蔽层也可以用作散射层。