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1. 发明授权

US07286712B2 Method and apparatus for efficiently encoding chromatic images using non-orthogonal basis functions 失效
标题翻译：使用非正交基函数有效地编码彩色图像的方法和装置
公开(公告)号：US07286712B2
公开(公告)日：2007-10-23
申请号：US11086802
申请日：2005-03-21
申请人： Te-Won Lee , Thomas Wachtler , Terrence J. Sejnowski
发明人： Te-Won Lee , Thomas Wachtler , Terrence J. Sejnowski
IPC分类号： G06K9/36 , G06K9/46
CPC分类号： G06K9/6242 , G06K9/4652 , G06T9/007
摘要： A method and apparatus for efficiently encoding images using a set of non-orthogonal basis functions, thereby allowing reduction of file size, shorter transmission time, and improved accuracy. The non-orthogonal basis functions include homogenous color basis functions, luminance-encoding basis functions that have luminance edges and chromatic basis functions that exhibit color opponency. Some of the basis functions are non-orthogonal with respect to each other. Using these basis functions, a source vector is calculated to provide a number of coefficients, each coefficient associated with one basis function. The source vector is compressed by selecting a subset of the calculated coefficients, thereby providing an encoded vector. Because the method is highly efficient, the image data is substantially represented by a small number of coefficients. In some embodiments, the non-orthogonal basis functions include two or more classes. A wavelet approach can also be utilized.
摘要翻译：一种用于使用一组非正交基函数对图像进行高效编码的方法和装置，从而允许减小文件大小，缩短传输时间和提高精度。非正交基函数包括均匀颜色基函数，具有亮度边缘的亮度编码基函数和表现色彩对立的色基函数。一些基本函数相互之间是非正交的。使用这些基函数，计算源向量以提供多个系数，每个系数与一个基函数相关联。通过选择所计算的系数的子集来压缩源向量，由此提供编码的向量。因为该方法是高效的，所以图像数据基本上由少量系数表示。在一些实施例中，非正交基函数包括两个或多个类。也可以使用小波方法。

2. 发明申请

US20060056711A1 Method and apparatus for efficiently encoding chromatic images using non-orthogonal basis functions 失效
公开(公告)号：US20060056711A1
公开(公告)日：2006-03-16
申请号：US11086802
申请日：2005-03-21
申请人： Te-Won Lee , Thomas Wachtler , Terrence Sejnowski
发明人： Te-Won Lee , Thomas Wachtler , Terrence Sejnowski
IPC分类号： G06K9/36
CPC分类号： G06K9/6242 , G06K9/4652 , G06T9/007
摘要： A method and apparatus for efficiently encoding images using a set of non-orthogonal basis functions, thereby allowing reduction of file size, shorter transmission time, and improved accuracy. The non-orthogonal basis functions include homogenous color basis functions, luminance-encoding basis functions that have luminance edges and chromatic basis functions that exhibit color opponency. Some of the basis functions are non-orthogonal with respect to each other. Using these basis functions, a source vector is calculated to provide a number of coefficients, each coefficient associated with one basis function. The source vector is compressed by selecting a subset of the calculated coefficients, thereby providing an encoded vector. Because the method is highly efficient, the image data is substantially represented by a small number of coefficients. In some embodiments, the non-orthogonal basis functions include two or more classes. A wavelet approach can also be utilized.

3. 发明授权

US06870962B2 Method and apparatus for efficiently encoding chromatic images using non-orthogonal basis functions 失效
标题翻译：使用非正交基函数有效地编码彩色图像的方法和装置
公开(公告)号：US06870962B2
公开(公告)日：2005-03-22
申请号：US09846485
申请日：2001-04-30
申请人： Te-Won Lee , Thomas Wachtler , Terrence J. Sejnowski
发明人： Te-Won Lee , Thomas Wachtler , Terrence J. Sejnowski
IPC分类号： G06T9/00 , H03M7/30 , H04N1/41 , H04N7/30 , G06K9/36 , G06K9/46
CPC分类号： G06K9/6242 , G06K9/4652 , G06T9/007
摘要： A method and apparatus for efficiently encoding images using a set of non-orthogonal basis functions, thereby allowing reduction of file size, shorter transmission time, and improved accuracy. The non-orthogonal basis functions include homogenous color basis functions, luminance-encoding basis functions that have luminance edges and chromatic basis functions that exhibit color opponency. Some of the basis functions are non-orthogonal with respect to each other. Using these basis functions, a source vector is calculated to provide a number of coefficients, each coefficient associated with one basis function. The source vector is compressed by selecting a subset of the calculated coefficients, thereby providing an encoded vector. Because the method is highly efficient, the image data is substantially represented by a small number of coefficients. In some embodiments, the non-orthogonal basis functions include two or more classes. A wavelet approach can also be utilized.
摘要翻译：一种用于使用一组非正交基函数对图像进行高效编码的方法和装置，从而允许减小文件大小，缩短传输时间和提高精度。非正交基函数包括均匀颜色基函数，具有亮度边缘的亮度编码基函数和表现色彩对立的色基函数。一些基本函数相互之间是非正交的。使用这些基函数，计算源向量以提供多个系数，每个系数与一个基函数相关联。通过选择所计算的系数的子集来压缩源向量，由此提供编码的向量。因为该方法是高效的，所以图像数据基本上由少量系数表示。在一些实施例中，非正交基函数包括两个或多个类。也可以使用小波方法。

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