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    • 1. 发明公开
    • RECORDED MEDIUM HAVING PROGRAM FOR CODING AND DECODING USING BIT PRECISION, AND APPARATUS AND METHOD THERE OF
    • 具有使用位精度进行编码和解码的程序的记录介质及其装置和方法
    • KR20090008661A
    • 2009-01-22
    • KR20070071779
    • 2007-07-18
    • HUMAX CO LTD
    • JANG EUEE SEONLEE CHUNG KUSON GI SEOK
    • H04N19/119H04N19/176H04N19/51
    • A determination bit encoding/decoding apparatus, a method thereof and a recording medium in which a program thereof is installed are provided to select a proper estimator without generating additional bits, thereby improving compressing efficiency. A determination bit coding device(100) comprises a data Input part(110), an estimator(120), an encoder(130), a variable block configuration unit(140) and a bit stream transmission unit(150). The estimator calculates an estimation value of a target pixel by determining an estimation method of each target pixel of image data to be encoded and using the estimation method. The encoder calculates an error value by using the estimation value. The size of a block is successively increased as much as a unit designated from the size of a predefined block. The encoder selects the first determination bit value corresponding to the error value corresponding to the block and encodes the error value. The variable block configuration unit calculates variable block configuring information which shows block configuration for minimizing compression capacity by using a coding result of the block.
    • 提供其中安装有其程序的确定位编码/解码装置,方法和记录介质,以选择合适的估计器而不产生附加位,从而提高压缩效率。 确定位编码装置(100)包括数据输入部(110),估计器(120),编码器(130),可变块配置单元(140)和位流发送单元(150)。 估计器通过确定要编码的图像数据的每个目标像素的估计方法并使用该估计方法来计算目标像素的估计值。 编码器通过使用估计值来计算误差值。 块的大小连续增加到从预定义块的大小指定的单位。 编码器选择对应于与该块相对应的误差值的第一确定位值,并对误差值进行编码。 可变块配置单元通过使用块的编码结果来计算显示用于使压缩容量最小化的块配置的可变块配置信息。