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    • 9. 发明授权
    • Match MSB digital image compression
    • 匹配MSB数字图像压缩
    • US07526124B2
    • 2009-04-28
    • US11712046
    • 2007-02-27
    • Michael K. DwyerThomas A. Piazza
    • Michael K. DwyerThomas A. Piazza
    • G06K9/36G06K9/46G06K9/00
    • H04N19/184H04N19/124H04N19/156H04N19/186H04N19/50
    • Methods, apparatus and computer readable medium are described that compress and/or decompress a digital image in a lossless or a lossy manner. In some embodiments, a display controller may compress a digital image by generating a symbol for each pel of the digital image. In particular, the symbol may represent a pel via a match vector and a channel error vector. The match vector may indicate which quantized channels of the pel matched quantized channels of a previous pel. Further, the channel error vector may comprise a lossless or lossy channel for each quantized channel of the pel that did not match a corresponding quantized channel of the previous pel. The channel error may also comprise a lossless or lossy channel error for each quantized channel of the pel that matched a corresponding quantized channel of the previous pel.
    • 描述了以无损或有损的方式对数字图像进行压缩和/或解压缩的方法,装置和计算机可读介质。 在一些实施例中,显示控制器可以通过为数字图像的每个像素生成符号来压缩数字图像。 特别地,符号可以经由匹配向量和信道误差向量来表示像素。 匹配向量可以指示先前像素的像素匹配量化通道的哪个量化通道。 此外,信道误差向量可以包括与先前像素的对应量化信道不匹配的像素的每个量化信道的无损或有损信道。 信道误差还可以包括与先前像素的相应量化信道匹配的像素的每个量化信道的无损或有损信道误差。
    • 10. 发明授权
    • Processing polygon meshes using mesh pool window
    • 使用网格池窗口处理多边形网格
    • US06369813B2
    • 2002-04-09
    • US09109257
    • 1998-06-30
    • Vladimir PentkovskiDeep BuchMichael K. DwyerHsien-Hsin LeeHsien-Cheng E. Hsieh
    • Vladimir PentkovskiDeep BuchMichael K. DwyerHsien-Hsin LeeHsien-Cheng E. Hsieh
    • G06T1500
    • G06T17/20
    • The present invention is directed to a method and apparatus for processing normalized meshes. The normalized meshes are formed by N polygons which have M vertices. M vertex coordinates are stored in a vertex array corresponding to the M vertices of the N polygons. N polygon indices are stored in an index array. Each of the N polygon indices references a predetermined number of the M vertex coordinates. A first subset of the index array having N1 polygon indices is determined. A second subset of the vertex array is selected such that the second subset contains M1 vertex coordinates corresponding entirely to the N1 polygon indices in the first subset. The second subset defines a window having a small size relative to the vertex array. The M1 vertex coordinates in the second subset are processed to generate processed data. The processed data are then concurrently sent to a graphics processor in an on-line manner.
    • 本发明涉及一种用于处理归一化网格的方法和装置。 归一化网格由具有M个顶点的N个多边形形成。 M顶点坐标存储在与N个多边形的M个顶点对应的顶点数组中。 N个多边形索引存储在索引数组中。 N个多边形索引中的每一个引用预定数量的M个顶点坐标。 确定具有N1个多边形索引的索引阵列的第一子集。 选择顶点阵列的第二子集,使得第二子集包含完全对应于第一子集中的N1多边形索引的M1顶点坐标。 第二个子集定义相对于顶点数组具有小尺寸的窗口。 处理第二个子集中的M1顶点坐标以产生处理后的数据。 然后,处理的数据以在线方式同时发送到图形处理器。