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    • 68. 发明申请
    • Apparatus and Method for Real-Time Volume Processing and Universal Three-Dimensional Rendering
    • 用于实时卷处理和通用三维渲染的装置和方法
    • US20070206008A1
    • 2007-09-06
    • US11556993
    • 2006-11-06
    • Arie KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • Arie KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • G06T15/20
    • G06T15/08G06T15/06G06T15/40
    • An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality of rendering pipelines; at least one geometry bus; and a control unit. The apparatus includes a block processor having a circular ray integration pipeline for processing voxel data and ray data. Rays are generally processed in image order thus permitting great flexibility (e.g., perspective projection, global illumination). The block processor includes a splatting unit and a scattering unit. A method for casting shadows and performing global illumination in relation to light sources includes sweeping a two dimensional array of rays through the volume can also be implemented with the apparatus. A method for approximating a perspective projection includes using parallel projection.
    • 用于实时卷处理和通用三维渲染的装置和方法。 该装置包括多个三维(3D)存储器单元; 用于提供全局水平通信的至少一个像素总线; 多个渲染管线; 至少一个几何总线; 和控制单元。 该装置包括具有用于处理体素数据和射线数据的圆形射线集成管线的块处理器。 通常以图像顺序处理光线,从而允许很大的灵活性(例如,透视投影,全局照明)。 块处理器包括分散单元和散射单元。 用于投射阴影和执行与光源相关的全局照明的方法包括扫描通过该体积的二维阵列的射线也可以用该装置来实现。 用于近似透视投影的方法包括使用平行投影。