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    • 3. 发明授权
    • Encoding device using parallelized encoding, decoding device using parallelized decoding, and image forming device, method, and program storage medium including the same
    • 使用并行化编码的编码装置,使用并行解码的解码装置,以及包括其的图像形成装置,方法和程序存储介质
    • US08280177B2
    • 2012-10-02
    • US12466802
    • 2009-05-15
    • Seishiro KatoYoshihiko NemotoTaro YokoseTomoki Taniguchi
    • Seishiro KatoYoshihiko NemotoTaro YokoseTomoki Taniguchi
    • G06K9/36G06K9/46
    • H04N19/423H04N19/50
    • An encoding device includes a first memory that stores image data, plural second memories that are associated with plural target pixels in the image data, each second memory storing pixel data of one or more reference pixels near the associated target pixel thereof, a controller that causes each second memory to store pixel data of the one or more reference pixels near the associated target pixel thereof specified from the image data stored in the first memory, and plural encoders that perform encoding on each of the plural target pixels by estimating pixel data of each target pixel using pixel data of the one or more reference pixels near each respective target pixel stored in the plural second memories wherein the plural target pixels have different positions in a subscanning direction such that one target pixel does not overlap with another target pixel in a main scanning direction, and the total amount of data of all of the reference pixels used by the plural encoders is equal to or less than the amount of information of one line of image data stored in the first memory.
    • 编码装置包括存储图像数据的第一存储器,与图像数据中的多个目标像素相关联的多个第二存储器,每个第二存储器存储其相关联的目标像素附近的一个或多个参考像素的像素数据, 每个第二存储器,用于存储从存储在第一存储器中的图像数据指定的相关联的目标像素附近的一个或多个参考像素的像素数据;以及多个编码器,通过估计每个像素数据的像素数据, 目标像素使用存储在多个第二存储器中的每个相应目标像素附近的一个或多个参考像素的像素数据,其中多个目标像素在副扫描方向上具有不同的位置,使得一个目标像素不与主要的另一目标像素重叠 扫描方向,并且由多个编码器使用的所有参考像素的总数据量等于o r小于存储在第一存储器中的一行图像数据的信息量。