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公开(公告)号:US20090257651A1
公开(公告)日:2009-10-15
申请号:US12417546
申请日:2009-04-02
申请人: Gilles Ries , Tan Sun
发明人: Gilles Ries , Tan Sun
IPC分类号: G06K9/36
CPC分类号: G09G5/04 , G09G2340/02 , G09G2370/16 , H04N19/105 , H04N19/176 , H04N19/182 , H04N19/184 , H04N19/186 , H04N19/90 , H04N19/91
摘要: A method of compressing at least a part of a digital image comprises the steps of: dividing said digital image into groups of pixels; assigning a first information to each group of pixels wherein said first information indicates at least two reference colors selected for said group of pixels and, for each pixel in said group of pixels, which reference color or combination thereof is selected; assigning a second information to each group of pixels indicating a mode of compression used for said group of pixels; said first information indicating at least a third color for at least one of said groups of pixels.
摘要翻译: 压缩数字图像的至少一部分的方法包括以下步骤:将所述数字图像分割成像素组; 将第一信息分配给每个像素组,其中所述第一信息指示为所述像素组选择的至少两个参考颜色,并且对于所述像素组中的每个像素,选择哪个参考颜色或其组合; 向指示用于所述像素组的压缩模式的每个像素组分配第二信息; 所述第一信息指示至少一个所述像素组中的一个的至少第三颜色。