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    • 1. 发明授权
    • Systems and methods for color data compression
    • 彩色数据压缩的系统和方法
    • US08098942B2
    • 2012-01-17
    • US12165596
    • 2008-06-30
    • Peter Johnston
    • Peter Johnston
    • G36K9/36G36K9/46G36K9/00G36K15/02
    • H04N1/648
    • Systems and methods are provided for reducing data size of at least one bitmap image, wherein the bitmap image comprises a plurality of color blocks, wherein each color block is associated with a distinct color plane. In some embodiments, the bitmap image may be compressed. At least one compressed color block that is contained in a transfer frame may be determined, based on information pertaining to a physical offset between successive color planes when they are rendered on a print medium. Further, at least one compressed color block in the transfer frame may be tagged, if the size of the transfer frame exceeds a threshold, and the resolution of the at least one compressed color block that is tagged may be reduced.
    • 提供了用于减少至少一个位图图像的数据大小的系统和方法,其中位图图像包括多个颜色块,其中每个颜色块与不同的颜色平面相关联。 在一些实施例中,位图图像可以被压缩。 可以基于当在打印介质上呈现连续色彩平面之间的物理偏移的信息时,确定包含在传送帧中的至少一个压缩颜色块。 此外,如果传输帧的大小超过阈值,则可以标记传送帧中的至少一个压缩颜色块,并且可以减少标记的至少一个压缩颜色块的分辨率。