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1. 发明授权

US07948489B1 Minimizing tessellation of surfaces 有权
标题翻译：最小化表面的镶嵌
公开(公告)号：US07948489B1
公开(公告)日：2011-05-24
申请号：US11755486
申请日：2007-05-30
申请人： David D. Barnes , Douglas R. Becker , Dennis Kauffman , Kazuhiro Toyoda
发明人： David D. Barnes , Douglas R. Becker , Dennis Kauffman , Kazuhiro Toyoda
IPC分类号： G06T15/30
CPC分类号： G06T17/20
摘要： A method, system, and computer-readable storage medium are disclosed for minimizing tessellation of surfaces. A first plurality of polygons may be generated, wherein the first plurality of polygons are adjacent to a plurality of boundaries of a surface. Each of the first plurality of polygons comprises at least one outside edge approximating a straight line within a first flatness tolerance. A second plurality of polygons may be generated, wherein the second plurality of polygons are on the interior of the surface. Each of the second plurality of polygons comprises a plurality of inside edges approximating the straight line within a second flatness tolerance. The first flatness tolerance may be smaller than the second flatness tolerance.
摘要翻译：公开了用于最小化表面细分的方法，系统和计算机可读存储介质。可以生成第一多个多边形，其中第一多个多边形与表面的多个边界相邻。第一多个多边形中的每一个包括在第一平坦度公差内接近直线的至少一个外边缘。可以产生第二多个多边形，其中第二多个多边形位于表面的内部。第二多个多边形中的每一个包括在第二平坦度公差内接近直线的多个内边缘。第一平坦度公差可以小于第二平坦度公差。

2. 发明授权

US6118898A Methods and apparatus for compressing and decompressing multiple data sets and for managing memory storage of compressed data sets 失效
标题翻译：用于压缩和解压缩多个数据集并用于管理压缩数据集的存储器的方法和装置
公开(公告)号：US6118898A
公开(公告)日：2000-09-12
申请号：US827488
申请日：1997-04-10
申请人： Kok S. Chen , David D. Barnes
发明人： Kok S. Chen , David D. Barnes
IPC分类号： G06T9/00 , H04N1/64 , G06K9/00 , G06K9/36 , G06K9/46 , H04N1/46
CPC分类号： H04N1/64 , G06T9/008
摘要： Methods and apparatus for compressing and decompressing multiple data sets (e.g., multiple color planes in a color image) in which interdependencies between the data sets, as well as spacial correlation within each data set, are used to create a plurality of compressed output data sets wherein one of the compressed output data sets includes data relating to all of the original uncompressed data sets and wherein each of the remaining output data sets includes data relating only to a particular one of the original uncompressed data sets. Advantageously, the disclosed techniques provide compression ratios approaching those of known vector compression algorithms while simultaneously providing decompression memory usage characteristics analogous to those found in planar compression systems. Thus, exemplary embodiments of the invention simultaneously provide relatively low peak and average memory requirements, corresponding to relatively low memory cost and relatively high data throughput, respectively.
摘要翻译：用于压缩和解压缩多个数据集（例如，彩色图像中的多个彩色平面）的方法和装置，其中数据集之间的相互依赖性以及每个数据集中的空间相关性被用于创建多个压缩输出数据集其中所述压缩输出数据集之一包括与所有所述原始未压缩数据集有关的数据，并且其中所述剩余输出数据集中的每一个包括仅与所述原始未压缩数据集中的特定一个相关的数据。有利地，所公开的技术提供接近已知矢量压缩算法的压缩比，同时提供类似于在平面压缩系统中发现的解压缩存储器使用特性。因此，本发明的示例性实施例同时提供相对较低的峰值和平均存储器需求，分别对应于较低的存储器成本和相对高的数据吞吐量。

3. 发明授权

US08217936B1 Minimizing tessellation of surfaces 有权
标题翻译：最小化表面的镶嵌
公开(公告)号：US08217936B1
公开(公告)日：2012-07-10
申请号：US12129888
申请日：2008-05-30
申请人： David D. Barnes , Douglas R. Becker , Dennis Kauffman , Kazuhiro Toyoda , Rebecca E. Hauser
发明人： David D. Barnes , Douglas R. Becker , Dennis Kauffman , Kazuhiro Toyoda , Rebecca E. Hauser
IPC分类号： G06T15/30
CPC分类号： G06T17/20
摘要： A method, system, and computer-readable storage medium are disclosed for minimizing tessellation of surfaces. A first plurality of polygons may be generated, wherein the first plurality of polygons are adjacent to a plurality of exterior curves of a surface. Each of the first plurality of polygons comprises at least one outside edge approximating a portion of one of the exterior curves within a first flatness tolerance. A second plurality of polygons may be generated, wherein the second plurality of polygons are on the interior of the surface. Each of the second plurality of polygons comprises a plurality of inside edges approximating portions of interior curves of the surface within a second flatness tolerance. The first flatness tolerance may be smaller than the second flatness tolerance.
摘要翻译：公开了用于最小化表面细分的方法，系统和计算机可读存储介质。可以生成第一多个多边形，其中第一多个多边形与表面的多个外部曲线相邻。第一多个多边形中的每一个包括在第一平坦度公差内接近外部曲线中的一个的一部分的至少一个外边缘。可以产生第二多个多边形，其中第二多个多边形位于表面的内部。所述第二多个多边形中的每一个包括在第二平坦度公差内接近所述表面的内部曲线的部分的多个内边缘。第一平坦度公差可以小于第二平坦度公差。

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