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    • 75. 发明授权
    • MR fluoroscopy method and apparatus
    • MR荧光镜检查方法及仪器
    • US06546273B2
    • 2003-04-08
    • US09814804
    • 2001-03-23
    • Katsunori SuzukiShigeru Sato
    • Katsunori SuzukiShigeru Sato
    • A61B505
    • G01R33/4835G01R33/56308H04N13/189H04N13/221H04N13/395
    • Imaging and image reconstruction are sequentially performed for slices of a subject, and realtime images of the slices are displayed substantially at the same time. The slices may be perpendicular or parallel to one another, or they may form a stereoscopic pair. The images may be displayed two-dimensionally, or they may be combined and displayed three-dimensionally. One of the slices includes an insertion (a needle) for puncture or biopsy that is inserted into the subject by an operator, and it is parallel with a direction in which the insertion should advance. If the needle is displaced from the slice and a shade of the needle disappears from the sequentially-displayed images of the slice while the operator moves the needle toward an affected part in the subject in IVR, the shade of the needle appears on the sequentially-displayed images of another slice that is perpendicularly intersecting to or is adjacent and parallel to the above-mentioned slice. Hence, the operator can always determine the position and advancing direction of the needle.
    • 对于被摄体的切片依次进行成像和图像重建,并且基本上同时显示切片的实时图像。 切片可以彼此垂直或平行,或者它们可以形成立体对。 图像可以二维地显示,或者它们可以被三维地组合和显示。 其中一个切片包括用于穿刺或活组织检查的插入件(针),其由操作者插入到受试者中,并且与插入应该前进的方向平行。 如果在IVR中操作者将针朝向受试者的受影响部位移动针时,针从切片移开并且针的顺序显示的图像消失,则针的顺序依次显示, 与上述切片垂直相交或相邻并平行的另一切片的显示图像。 因此,操作者可以始终确定针的位置和前进方向。
    • 78. 发明授权
    • Graphics system
    • 图形系统
    • US06266072B1
    • 2001-07-24
    • US08930674
    • 1997-10-03
    • Kazuyoshi KogaRyo FujitaKoyo KatsuraKatsunori SuzukiToshiyuki Kuwana
    • Kazuyoshi KogaRyo FujitaKoyo KatsuraKatsunori SuzukiToshiyuki Kuwana
    • G06F1580
    • G06T15/503G06T11/00
    • A graphics system which accelerates generation of pixels including transparent objects by simply adding more rendering devices. The system has composition means and a plurality of rendering devices each comprising a geometric processor, a rendering processor and a frame memory that holds color, depth and weight data in a screen bit map format. Given a plurality of sets of color, depth and weight data about any one pixel position from the frame memories, the composition means first compares the depth data, and multiplies successively the weight and color data starting with those corresponding to the depth data closest to the foreground, thereby generating new pixel data. The system thus permits merging of transparent objects.
    • 一种图形系统,通过简单地添加更多的渲染设备来加速像素的生成,包括透明对象。 该系统具有组合装置和多个渲染装置,每个渲染装置包括几何处理器,渲染处理器和以屏幕位图格式保存颜色,深度和重量数据的帧存储器。 给定关于来自帧存储器的任何一个像素位置的多组颜色,深度和重量数据,合成装置首先比较深度数据,并且从与最接近 前景,从而生成新的像素数据。 因此,该系统允许透明对象的合并。