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1. 发明授权

US07991051B2 Interframe wavelet coding apparatus and method capable of adjusting computational complexity 失效
标题翻译：能够调整计算复杂度的帧间小波编码装置和方法
公开(公告)号：US07991051B2
公开(公告)日：2011-08-02
申请号：US10580103
申请日：2004-05-13
申请人： Se-Yoon Jeong , Kyu-Heon Kim , Wonha Kim , Jin-Woong Kim
发明人： Se-Yoon Jeong , Kyu-Heon Kim , Wonha Kim , Jin-Woong Kim
IPC分类号： H04N7/12
CPC分类号： H04N19/615 , H04N19/122 , H04N19/13 , H04N19/139 , H04N19/172 , H04N19/1883 , H04N19/61 , H04N19/63 , H04N19/635
摘要： Provided is an inter-frame wavelet coding apparatus that can reduce the computation complexity of a decoder by adjusting a decomposition level and a filter length based on the information amount of a frame during wavelet transform and a method therefor. The inter-frame wavelet coding apparatus includes: a Motion Compensated Temporal Filtering (MCTF) unit for computing a motion vectors of a group of pictures (GOP) and filtering the GOP with respect to the temporal axis, to thereby obtain filtered frame; a wavelet transforming unit for performing spatial wavelet transform on the filtered frame and outputting a wavelet coefficient; a quantization unit for quantizing the wavelet coefficient; an entropy coding unit for entropy-coding the motion vector computed in the MCTF unit and the quantized wavelet coefficient, to thereby generate an entropy-coded bit stream; and a wavelet filter managing unit for selecting a decomposition level and a filter length for the wavelet transforming unit based on motion estimation information of the GOP video computed in the MCTF unit, wherein the decomposition level and the filter length are included in the entropy-coded bit stream.
摘要翻译：提供了一种帧间小波编码装置，其可以通过基于小波变换期间的帧的信息量调整分解水平和滤波器长度来降低解码器的计算复杂度及其方法。帧间小波编码装置包括：运动补偿时间滤波（MCTF）单元，用于计算一组图像（GOP）的运动矢量并相对于时间轴对GOP进行滤波，从而获得滤波帧; 小波变换单元，用于对滤波后的帧进行空间小波变换，并输出小波系数; 用于量化小波系数的量化单元; 熵编码单元，用于对在MCTF单元中计算出的运动矢量进行熵编码和量化小波系数，从而生成熵编码比特流; 以及小波滤波器管理单元，用于基于在所述MCTF单元中计算出的GOP视频的运动估计信息来选择所述小波变换单元的分解电平和滤波器长度，其中所述分解电平和所述滤波器长度包括在所述熵编码位流。

2. 发明申请

US20070081593A1 Interframe wavelet coding apparatus and method capable of adjusting computational complexity 失效
标题翻译：能够调整计算复杂度的帧间小波编码装置和方法
公开(公告)号：US20070081593A1
公开(公告)日：2007-04-12
申请号：US10580103
申请日：2004-05-13
申请人： Se-Yoon Jeong , Kyu-Heon Kim , Wonha Kim , Jin-Woong Kim
发明人： Se-Yoon Jeong , Kyu-Heon Kim , Wonha Kim , Jin-Woong Kim
IPC分类号： H04B1/66
CPC分类号： H04N19/615 , H04N19/122 , H04N19/13 , H04N19/139 , H04N19/172 , H04N19/1883 , H04N19/61 , H04N19/63 , H04N19/635
摘要： Provided is an inter-frame wavelet coding apparatus that can reduce the computation complexity of a decoder by adjusting a decomposition level and a filter length based on the information amount of a frame during wavelet transform and a method therefor. The inter-frame wavelet coding apparatus includes: a Motion Compensated Temporal Filtering (MCTF) unit for computing a motion vectors of a group of pictures (GOP) and filtering the GOP with respect to the temporal axis, to thereby obtain filtered frame; a wavelet transforming unit for performing spatial wavelet transform on the filtered frame and outputting a wavelet coefficient; a quantization unit for quantizing the wavelet coefficient; an entropy coding unit for entropy-coding the motion vector computed in the MCTF unit and the quantized wavelet coefficient, to thereby generate an entropy-coded bit stream; and a wavelet filter managing unit for selecting a decomposition level and a filter length for the wavelet transforming unit based on motion estimation information of the GOP video computed in the MCTF unit, wherein the decomposition level and the filter length are included in the entropy-coded bit stream.
摘要翻译：提供了一种帧间小波编码装置，其可以通过基于小波变换期间的帧的信息量调整分解水平和滤波器长度来降低解码器的计算复杂度及其方法。帧间小波编码装置包括：运动补偿时间滤波（MCTF）单元，用于计算一组图像（GOP）的运动矢量并相对于时间轴对GOP进行滤波，从而获得滤波帧; 小波变换单元，用于对滤波后的帧进行空间小波变换，并输出小波系数; 用于量化小波系数的量化单元; 熵编码单元，用于对在MCTF单元中计算出的运动矢量进行熵编码和量化小波系数，从而生成熵编码比特流; 以及小波滤波器管理单元，用于基于在所述MCTF单元中计算出的GOP视频的运动估计信息来选择所述小波变换单元的分解电平和滤波器长度，其中所述分解电平和所述滤波器长度包括在所述熵编码位流。

3. 发明授权

US08208545B2 Method and apparatus for video coding on pixel-wise prediction 有权
标题翻译：用于像素预测的视频编码的方法和装置
公开(公告)号：US08208545B2
公开(公告)日：2012-06-26
申请号：US12302550
申请日：2006-12-27
申请人： Jeong-Il Seo , Se-Yoon Jeong , Kyu-Heon Kim , Kyeong-Ok Kang , Jin-Woo Hong , Dong-Gyu Sim , Yung-Lyul Lee , Seoung-Jun Oh , Chang-Beom Ahn , Jung-Hak Nam
发明人： Jeong-Il Seo , Se-Yoon Jeong , Kyu-Heon Kim , Kyeong-Ok Kang , Jin-Woo Hong , Dong-Gyu Sim , Yung-Lyul Lee , Seoung-Jun Oh , Chang-Beom Ahn , Jung-Hak Nam
IPC分类号： H04N11/04 , H04N11/02
CPC分类号： H04N19/90 , H04N19/107 , H04N19/11 , H04N19/147 , H04N19/176 , H04N19/182 , H04N19/19 , H04N19/46 , H04N19/593 , H04N19/61
摘要： A pixel-based video encoding apparatus includes a block prediction unit, a residual image generation unit, a pixel prediction unit, and an entropy-coding unit. The block prediction unit performs temporal or spatial prediction between a reference image and a current image in order to generate a prediction block corresponding to a current block to be encoded. The residual image generation unit generates a residual image block composed of a residual signal corresponding to a difference between pixels of the prediction block and pixels of the current block. The pixel prediction unit determines whether to apply differential pulse coded modulation to each of pixels of the residual image block based on a rate distortion optimization value. The entropy-coding unit performs entropy-coding on the residual image block.
摘要翻译：基于像素的视频编码装置包括块预测单元，残差图像生成单元，像素预测单元和熵编码单元。块预测单元执行参考图像和当前图像之间的时间或空间预测，以便生成与要编码的当前块相对应的预测块。剩余图像生成单元生成由对应于预测块的像素与当前块的像素之间的差的残差信号构成的残差图像块。像素预测单元基于速率失真优化值来确定是否对残差图像块的每个像素应用差分脉冲编码调制。熵编码单元对残差图像块执行熵编码。

4. 发明申请

US20090067503A1 METHOD AND APPARATUS FOR VIDEO DATA ENCODING AND DECODING 审中-公开
标题翻译：视频数据编码和解码的方法和装置
公开(公告)号：US20090067503A1
公开(公告)日：2009-03-12
申请号：US12160154
申请日：2007-01-05
申请人： Se-Yoon Jeong , Jeong-Il Seo , Kyu-Heon Kim , Kyeongok Kang , Jin-Woo Hong , Yung-Lyul Lee , Dae-Yeon Kim , Dong-Gyun Kim , Seoung-Jun Oh , Dong-Gyu Sim , Chang-Beom Ahn
发明人： Se-Yoon Jeong , Jeong-Il Seo , Kyu-Heon Kim , Kyeongok Kang , Jin-Woo Hong , Yung-Lyul Lee , Dae-Yeon Kim , Dong-Gyun Kim , Seoung-Jun Oh , Dong-Gyu Sim , Chang-Beom Ahn
IPC分类号： H04N7/30 , H04N7/26
CPC分类号： H04N19/00 , H04N19/91
摘要： Video data encoding and decoding methods and apparatuses are provided. In the video data encoding and decoding methods, codes books are provided to an encoder and a decoder. In the encoder, an index corresponding to a vector that is most similar to a current vector of an input moving picture among the vectors of the code book is encoded. In the decoder, the index is decoded. Accordingly, it is possible to increase compression ratio and reduce calculation complexity.
摘要翻译：提供视频数据编码和解码方法和装置。在视频数据编码和解码方法中，将码本提供给编码器和解码器。在编码器中，编码对应于与代码本的向量中的输入运动图像的当前矢量最相似的向量的索引。在解码器中，索引被解码。因此，可以增加压缩比并降低计算复杂度。

5. 发明申请

US20090161759A1 METHOD AND APPARATUS FOR VIDEO CODING ON PIXEL-WISE PREDICTION 有权
标题翻译：用于视像预测的视频编码的方法和装置
公开(公告)号：US20090161759A1
公开(公告)日：2009-06-25
申请号：US12302550
申请日：2006-12-27
申请人： Jeong-Il Seo , Se-Yoon Jeong , Kyu-Heon Kim , Kyeong-Ok Kang , Jin-Woo Hong , Dong-Gyu Sim , Yung-Lyul Lee , Seoung-Jun Oh , Chang-Beom Ahn , Jung-Hak Nam
发明人： Jeong-Il Seo , Se-Yoon Jeong , Kyu-Heon Kim , Kyeong-Ok Kang , Jin-Woo Hong , Dong-Gyu Sim , Yung-Lyul Lee , Seoung-Jun Oh , Chang-Beom Ahn , Jung-Hak Nam
IPC分类号： H04N7/26
CPC分类号： H04N19/90 , H04N19/107 , H04N19/11 , H04N19/147 , H04N19/176 , H04N19/182 , H04N19/19 , H04N19/46 , H04N19/593 , H04N19/61
摘要： Provided is a video encoding and decoding method and apparatus using pixel-based prediction. A pixel-based video encoding apparatus includes a block prediction unit, a residual image generation unit, a pixel prediction unit, and an entropy-coding unit. The block prediction unit performs temporal or spatial prediction between a reference image and a current image in order to generate a prediction block corresponding to a current block to be encoded. The residual image generation unit generates a residual image block composed of a residual signal corresponding to a difference between pixels of the prediction block and pixels of the current block. The pixel prediction unit determines whether to apply differential pulse coded modulation (DPCM) to each of pixels of the residual image block based on a rate distortion optimization (RDO) value calculated for the case where DPCM is applied to each of the pixels of the residual image block and a RDO value calculated for the case where DPCM is not applied to each of the pixels of the residual image block. The entropy-coding unit performs entropy-coding on the residual image block.
摘要翻译：提供了一种使用基于像素的预测的视频编码和解码方法和装置。基于像素的视频编码装置包括块预测单元，残差图像生成单元，像素预测单元和熵编码单元。块预测单元执行参考图像和当前图像之间的时间或空间预测，以便生成与要编码的当前块相对应的预测块。剩余图像生成单元生成由对应于预测块的像素与当前块的像素之间的差的残差信号构成的残差图像块。像素预测单元基于将DPCM应用于剩余图像的每个像素的情况计算的速率失真优化（RDO）值来确定是否对残差图像块的每个像素应用差分脉冲编码调制（DPCM）图像块和对于DPCM未被应用于残差图像块的每个像素的情况计算的RDO值。熵编码单元对残差图像块执行熵编码。

6. 发明申请

US20100284459A1 APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR 有权
标题翻译：使用基于像素相似性的自适应DCT系数扫描来编码和解码图像的装置及其方法
公开(公告)号：US20100284459A1
公开(公告)日：2010-11-11
申请号：US12377617
申请日：2007-03-23
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
IPC分类号： H04N7/50
CPC分类号： H04N19/159 , H04N19/103 , H04N19/11 , H04N19/129 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/61 , H04N19/91
摘要： The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
摘要翻译：本发明公开了一种使用离散余弦变换（DCT）扫描的编码装置，其包括：模式选择装置，用于选择帧内预测的最佳模式; 帧内预测装置，用于根据在模式选择装置中选择的模式对输入的视频执行帧内预测; DCT和量化装置，用于对从帧内预测装置输出的块的残余系数进行DCT和量化; 以及熵编码装置，用于通过使用基于残差系数的像素相似度确定的扫描模式，对从DCT获取的DCT系数和量化执行熵编码。

7. 发明申请

US20100046613A1 MULTI-DIMENSIONAL AND MULTI-STAGE TRANSFORMING APPARATUS AND METHOD 失效
标题翻译：多维和多级变换装置及方法
公开(公告)号：US20100046613A1
公开(公告)日：2010-02-25
申请号：US12307408
申请日：2007-02-22
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
IPC分类号： H04N7/26
CPC分类号： H04N19/61 , H04N19/51
摘要： Provided are an apparatus for multi-stage transforming a plurality of unit blocks in multi-dimension that can improve compression efficiency of video data by collecting Discrete Cosine Transforming (DCT) coefficients of neighboring blocks and performing an additional transformation based on the DCT coefficients of an original picture and a differential picture. The method includes the steps of: performing a Discrete Cosine Transform (DCT) on inputted picture data and selecting R blocks of a predetermined size from DCT picture data, where R is a natural number equal to or greater than 2; arranging DCT coefficients of each of the selected R blocks according to each frequency in one-dimension; and performing one-dimensional transformation again on the DCT coefficients arranged in one-dimension.
摘要翻译：提供了一种用于多级变换多维单元块的装置，其可以通过收集相邻块的离散余弦变换（DCT）系数并且基于相关块的DCT系数执行附加变换，从而提高视频数据的压缩效率原始图片和差异图片。该方法包括以下步骤：对输入的图像数据执行离散余弦变换（DCT），并从DCT图像数据中选择预定尺寸的R个块，其中R是等于或大于2的自然数; 根据每个频率在一维中排列所选择的R块中的每一个的DCT系数; 并对一维排列的DCT系数再次进行一维变换。

8. 发明申请

US20090238271A1 APPARATUS AND METHOD FOR ENCODING AND DECODING USING ALTERNATIVE CONVERTER ACCODING TO THE CORRELATION OF RESIDUAL SIGNAL 审中-公开
标题翻译：使用替代转换器对残留信号的相关性进行编码和解码的装置和方法
公开(公告)号：US20090238271A1
公开(公告)日：2009-09-24
申请号：US12441940
申请日：2007-04-13
申请人： Dae-Yeon Kim , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jae-Gon Kim , Kyung-Ae Moon , Jin-Woo Hong , Jin-Woong Kim , Seoung-Jun Oh , Chang-Beom Ahn , Se-Yoon Jeong , Hae-Chul Choi , Yung-Lyul Lee , Dong-Gyu Sim , Sung-Chang Lim
发明人： Dae-Yeon Kim , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jae-Gon Kim , Kyung-Ae Moon , Jin-Woo Hong , Jin-Woong Kim , Seoung-Jun Oh , Chang-Beom Ahn , Se-Yoon Jeong , Hae-Chul Choi , Yung-Lyul Lee , Dong-Gyu Sim , Sung-Chang Lim
IPC分类号： H04N7/26 , H04N7/32
CPC分类号： H04N19/103 , H04N19/122 , H04N19/147 , H04N19/176 , H04N19/46 , H04N19/61
摘要： Provided is an apparatus and method for encoding and decoding using alternative transform units according to the correlation of residual signals. The video encoding apparatus includes a first transforming unit for performing discrete cosine transform (DCT), first quantization, first inverse quantization, and inverse DCT on a block basis onto residual coefficients generated after intra frame prediction or inter frame prediction; a second transforming unit for performing discrete sine transform (DST), second quantization, second inverse quantization, and inverse DST on a block basis onto the residual coefficients; a selecting unit for selecting one having a high compression rate between the first and second transforming units for each block through performing rate-distortion optimization; and a flag marking unit for recording information about the selected transforming unit at a flag bit provided on a macroblock basis.
摘要翻译：提供了根据残差信号的相关性使用替代变换单元进行编码和解码的装置和方法。视频编码装置包括：第一变换单元，用于以块为基础，对帧内预测或帧间预测后生成的残差系数进行离散余弦变换（DCT），第一量化，第一逆量化和逆DCT; 第二变换单元，用于以块为基础对剩余系数执行离散正弦变换（DST），第二量化，第二逆量化和反向DST; 选择单元，用于通过执行速率失真优化来为每个块选择具有高压缩率的第一和第二变换单元之间的压缩率; 以及标志标记单元，用于在以宏块为基础提供的标志位处记录关于所选择的变换单元的信息。

9. 发明授权

US08582657B2 Multi-dimensional and multi-stage transforming apparatus and method 失效
标题翻译：多维和多级变换装置及方法
公开(公告)号：US08582657B2
公开(公告)日：2013-11-12
申请号：US12307408
申请日：2007-02-22
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/61 , H04N19/51
摘要： Provided are an apparatus for multi-stage transforming a plurality of unit blocks in multi-dimension that can improve compression efficiency of video data by collecting Discrete Cosine Transforming (DCT) coefficients of neighboring blocks and performing an additional transformation based on the DCT coefficients of an original picture and a differential picture. The method includes the steps of: performing a Discrete Cosine Transform (DCT) on inputted picture data and selecting R blocks of a predetermined size from DCT picture data, where R is a natural number equal to or greater than 2; arranging DCT coefficients of each of the selected R blocks according to each frequency in one-dimension; and performing one-dimensional transformation again on the DCT coefficients arranged in one-dimension.
摘要翻译：提供了一种用于多级变换多维单元块的装置，其可以通过收集相邻块的离散余弦变换（DCT）系数并且基于相关块的DCT系数执行附加变换，从而提高视频数据的压缩效率原始图片和差异图片。该方法包括以下步骤：对输入的图像数据执行离散余弦变换（DCT），并从DCT图像数据中选择预定尺寸的R个块，其中R是等于或大于2的自然数; 根据每个频率在一维中排列所选择的R块中的每一个的DCT系数; 并对一维排列的DCT系数再次进行一维变换。

10. 发明授权

US08548060B2 Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor 有权
标题翻译：基于像素相似性的自适应DCT系数扫描对图像进行编码和解码的装置及其方法
公开(公告)号：US08548060B2
公开(公告)日：2013-10-01
申请号：US12377617
申请日：2007-03-23
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
IPC分类号： H04N7/26 , H04N7/32 , H04N7/34 , H04N7/50 , H04B1/66 , H04N11/02 , H04N11/04 , H04N7/12
CPC分类号： H04N19/159 , H04N19/103 , H04N19/11 , H04N19/129 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/61 , H04N19/91
摘要： The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
摘要翻译：本发明公开了一种使用离散余弦变换（DCT）扫描的编码装置，其包括：模式选择装置，用于选择帧内预测的最佳模式; 帧内预测装置，用于根据在模式选择装置中选择的模式对输入的视频执行帧内预测; DCT和量化装置，用于对从帧内预测装置输出的块的残余系数进行DCT和量化; 以及熵编码装置，用于通过使用基于残差系数的像素相似度确定的扫描模式，对从DCT获取的DCT系数和量化执行熵编码。

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