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Method, system and computer program product for entropy constrained color splitting for palette images with pixel-wise splitting
Method, system and computer program product for entropy constrained color splitting for palette images with pixel-wise splitting
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机译:用于按像素分割的调色板图像的熵约束颜色分割的方法,系统和计算机程序产品
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摘要
A method, system and computer program product are provided for progressively encoding a digitized color image using a data processing system, the digitized color image being provided by assigning each of the M distinct colors to at least one pixel in the set of pixels. This involves initializing and growing the tree structure by selecting a leaf node n to become a non-leaf node n linked to two new leaf nodes based on an associated achievable cost, wherein the associated achievable cost is based on 1) a determined associated change in distortion resulting from turning the leaf node into the non-leaf node linked to the two new leaf nodes; and 2) a determined associated increase in entropy rate resulting from turning the leaf node into the non-leaf node linked to the two new leaf nodes.
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