公开(公告)号：US08300691B2

公开(公告)日：2012-10-30

申请号：US11962147

申请日：2007-12-21

申请人： Tammy Lee ,  Woo-jin Han

发明人： Tammy Lee ,  Woo-jin Han

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04

CPC分类号： H04N19/82 ,  H04N19/132 ,  H04N19/14 ,  H04N19/17 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/48 ,  H04N19/50 ,  H04N19/587 ,  H04N19/59 ,  H04N19/61

摘要： A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method encodes residual values included in a residual block of a current block after sub-sampling or down-sampling the residual values, thereby encoding and decoding the current block using a small number of residual values and thus improving the compression rate of video encoding.

摘要翻译： 提供了视频编码方法和装置以及视频解码方法和装置。 视频编码方法对子进行子采样后的当前块的残差块中残留值进行编码，然后使用少量残差对当前块进行编码和解码，从而提高视频的压缩率 编码。

公开(公告)号：US08275039B2

公开(公告)日：2012-09-25

申请号：US11936128

申请日：2007-11-07

申请人： Woo-jin Han ,  Kyo-hyuk Lee ,  Tammy Lee

发明人： Woo-jin Han ,  Kyo-hyuk Lee ,  Tammy Lee

IPC分类号： H04N7/12

CPC分类号： H04N19/537 ,  H04N19/132 ,  H04N19/147 ,  H04N19/176 ,  H04N19/52 ,  H04N19/61

摘要： Provided is a method of and apparatus for video encoding and decoding based on motion estimation. The method includes generating a motion vector by searching a reference picture using pixels of a current block, generating a prediction motion vector that is a prediction value of the motion vector by searching the reference picture using previously encoded pixels located adjacent to the current block, and encoding the current block based on the motion vector and the prediction motion vector. By accurately predicting the motion vector of the current block, the number of bits required for encoding the motion vector can be reduced, thereby improving the compression rate of video data.

摘要翻译： 提供了一种基于运动估计的用于视频编码和解码的方法和装置。 该方法包括通过使用当前块的像素搜索参考图像来生成运动矢量，通过使用与当前块相邻的先前编码的像素搜索参考图像来生成作为运动矢量的预测值的预测运动矢量，以及 基于运动矢量和预测运动矢量对当前块进行编码。 通过精确地预测当前块的运动矢量，可以减少编码运动矢量所需的位数，从而提高视频数据的压缩率。

公开(公告)号：US20080240248A1

公开(公告)日：2008-10-02

申请号：US12031847

申请日：2008-02-15

申请人： Kyo-Hyuk LEE ,  Woo-jin Han ,  Tammy Lee

发明人： Kyo-Hyuk LEE ,  Woo-jin Han ,  Tammy Lee

IPC分类号： H04N7/26

CPC分类号： H04N7/26872 ,  H04N19/109 ,  H04N19/132 ,  H04N19/176 ,  H04N19/46 ,  H04N19/52 ,  H04N19/61

摘要： A method and apparatus for encoding a skip macroblock by dividing the skip macroblock into smaller skip sub blocks and using predictive motion vectors predicted from motion vectors of blocks adjacent to the skip sub blocks, and a method and apparatus for decoding the skip macroblock is provided. Accordingly, by adding predetermined binary information indicating whether the skip macroblock is divided to the skip macroblock that generally transmits only prediction mode information, division of the skip macroblock can be adaptively applied, or all skip macroblocks can be divided into sub-blocks to be processed, so that pixel values in the skip macroblock can be predicted by using motion vectors of spatially adjacent blocks. Therefore, prediction efficiency increases.

摘要翻译： 提供一种通过将跳过宏块划分为更小的跳跃子块并使用从与跳过子块相邻的块的运动矢量预测的预测运动矢量来对跳过宏块进行编码的方法和装置，以及用于对跳过宏块进行解码的方法和装置。 因此，通过将表示跳过宏块是否被划分为通常只发送预测模式信息的跳跃宏块的预定二进制信息，可以自适应地应用跳过宏块的划分，或者所有跳过宏块可以被划分为要被处理的子块 ，使得可以通过使用空间相邻块的运动矢量来预测跳跃宏块中的像素值。 因此，预测效率提高。

公开(公告)号：US20070274388A1

公开(公告)日：2007-11-29

申请号：US11701392

申请日：2007-02-02

申请人： Tammy Lee ,  Woo-jin Han

发明人： Tammy Lee ,  Woo-jin Han

IPC分类号： H04B1/66

CPC分类号： H04N19/34 ,  H04N19/132 ,  H04N19/577 ,  H04N19/587 ,  H04N19/59 ,  H04N19/593

摘要： Provided is a method of encoding FGS layers by using weighted average sums. Method includes calculating a first weighted average sum by using a restored block of nth enhanced layer of a previous frame and a restored block of a base layer of a current frame; calculating a second weighted average sum by using a restored block of nth enhanced layer of a next frame and a restored block of a base layer of the current frame; generating a prediction signal of nth enhanced layer of the current frame by adding residual data of (n−1)th enhanced layer of the current frame to a sum of the first weighted average sum and the second weighted average sum; and encoding residual data of nth enhanced layer, which is obtained by subtracting the generated prediction signal of nth enhanced layer from the restored block of nth enhanced layer of the current frame.

摘要翻译： 提供了通过使用加权平均和来对FGS层进行编码的方法。 方法包括通过使用先前帧的恢复的第n层增强层和当前帧的基本层的恢复块来计算第一加权平均和; 通过使用下一帧的恢复的第n层增强层和当前帧的基本层的恢复块来计算第二加权平均和; 通过将当前帧的第（n-1）个增强层的残差数据相加，生成当前帧的第n个增强层的预测信号， 加权平均和和第二加权平均和; 并且通过从恢复的n第n个增强层的恢复块中减去生成的第n个增强层的预测信号而获得的第n个增强层的残差数据的编码， SUP>增强层当前帧。

公开(公告)号：US20070160302A1

公开(公告)日：2007-07-12

申请号：US11599484

申请日：2006-11-15

申请人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

发明人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

IPC分类号： G06K9/46

CPC分类号： H04N19/187 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/463 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： A method of encoding flags, a method of decoding flags and an apparatus thereof, in which flag encoding and decoding can be efficiently performed by using spatial correlation between various flags included a plurality of blocks are provided. The method includes collecting flag values respectively allocated to groups of the plurality of blocks according to spatial correlation of blocks to create a flag bit-string, dividing the flag bit-string into a plurality of divided bit-strings using a group size, setting a pattern bit indicating whether all bits included in the divided bit-strings are 0 or not, and performing entropy coding on the divided bit-strings according to the set pattern bit.

摘要翻译： 提供一种编码标志的方法，一种解码标志的方法及其装置，其中可以通过使用包括多个块的各种标志之间的空间相关性来有效地执行标志编码和解码。 该方法包括根据块的空间相关性分别分配分配给多个块的组的标志值，以创建标志位串，使用组大小将标志位串划分成多个划分的位串，将 模式比特，指示分割的比特串中包含的所有比特是否为0，并根据所设置的模式比特对分割的比特串进行熵编码。

公开(公告)号：US20070160136A1

公开(公告)日：2007-07-12

申请号：US11650519

申请日：2007-01-08

申请人： Tammy Lee ,  Kyo-Hyuk Lee ,  Woo-jin Han

发明人： Tammy Lee ,  Kyo-Hyuk Lee ,  Woo-jin Han

IPC分类号： H04B1/66 ,  H04N11/02

CPC分类号： H04N19/187 ,  H04N19/51 ,  H04N19/513

摘要： A method and apparatus for performing a motion prediction using an inverse motion transformation are provided. The method includes generating a second motion vector by inverse-transforming a first motion vector of a second block in a lower layer, the second block corresponding to a first block in a current layer; predicting a motion vector of the first block using the second motion vector; and encoding the first block using the predicted motion vector. The apparatus includes a motion vector inverse-transforming unit that generates a second motion vector by inverse-transforming a first motion vector of a second block in a lower layer corresponding to a first block in a current layer; a predicting unit that predicts a motion vector of the first block using the second motion vector; and an inter-prediction encoding unit that encodes the first block using the predicted motion vector.

摘要翻译： 提供了一种使用逆运动变换进行运动预测的方法和装置。 该方法包括通过对下层中的第二块的第一运动矢量进行逆变换来生成第二运动矢量，第二块对应于当前层中的第一块; 使用所述第二运动矢量预测所述第一块的运动矢量; 以及使用预测的运动矢量对第一块进行编码。 该装置包括：运动矢量反变换单元，其通过对与当前层中的第一块对应的下层中的第二块的第一运动矢量进行逆变换来生成第二运动矢量; 预测单元，其使用所述第二运动矢量来预测所述第一块的运动矢量; 以及帧间预测编码单元，其使用所述预测运动矢量对所述第一块进行编码。

公开(公告)号：US20130272401A1

公开(公告)日：2013-10-17

申请号：US13997524

申请日：2011-12-23

申请人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

发明人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

IPC分类号： H04N7/26

CPC分类号： H04N19/13 ,  H04N19/11 ,  H04N19/119 ,  H04N19/154 ,  H04N19/186 ,  H04N19/46 ,  H04N19/463 ,  H04N19/593

摘要： Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

摘要翻译： 提供了用于基于亮度分量的预测单元的帧内预测模式对色度分量的预测单元的帧内预测模式进行编码和解码的方法和装置。 当亮度分量的预测单元的帧内预测模式与色度分量的预测单元的帧内预测模式候选组中的帧内预测模式相同时，重建预测单元的帧内预测模式候选组， 通过从帧内预测模式候选组中排除或替换与亮度分量的预测单元的帧内预测模式相同的色度分量的预测单元的帧内预测模式，并对帧内预测模式进行编码， 通过使用重建的帧内预测模式候选组的色度分量的预测单元。

公开(公告)号：US10021384B2

公开(公告)日：2018-07-10

申请号：US13997524

申请日：2011-12-23

申请人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

发明人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

IPC分类号： H04N7/26 ,  H04N19/44 ,  H04N19/46 ,  H04N19/13 ,  H04N19/593 ,  H04N19/463 ,  H04N19/186 ,  H04N19/119 ,  H04N19/11 ,  H04N19/154

CPC分类号： H04N19/13 ,  H04N19/11 ,  H04N19/119 ,  H04N19/154 ,  H04N19/186 ,  H04N19/46 ,  H04N19/463 ,  H04N19/593

摘要： Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

公开(公告)号：US08254456B2

公开(公告)日：2012-08-28

申请号：US11961173

申请日：2007-12-20

申请人： Kyo-Hyuk Lee ,  Sang-rae Lee ,  Duck-yeon Kim ,  Tammy Lee

发明人： Kyo-Hyuk Lee ,  Sang-rae Lee ,  Duck-yeon Kim ,  Tammy Lee

IPC分类号： H04N7/50 ,  H04N7/26

CPC分类号： H04N19/196 ,  H04N19/159 ,  H04N19/176 ,  H04N19/197 ,  H04N19/52

摘要： A method of and apparatus for encoding and decoding an image are provided. According to the method and apparatus, a virtual motion vector is assigned to a block which is encoded in intra prediction mode, and when a motion vector of a block which is encoded in inter prediction mode after the intra block is decoded, the virtual motion vector assigned to the intra block is used.

摘要翻译： 提供了一种用于对图像进行编码和解码的方法和装置。 根据该方法和装置，将虚拟运动矢量分配给在帧内预测模式中编码的块，并且当在帧内块之后以帧间预测模式编码的块的运动矢量被解码时，虚拟运动矢量 分配给内部块使用。

公开(公告)号：US09204160B2

公开(公告)日：2015-12-01

申请号：US14129813

申请日：2012-06-27

申请人： Tammy Lee

发明人： Tammy Lee

IPC分类号： H04N19/593 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/11 ,  H04N19/573 ,  H04N19/577

CPC分类号： H04N19/44 ,  H04N19/11 ,  H04N19/513 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/593 ,  H04N19/82 ,  H04N19/86

摘要： A method and apparatus for encoding and decoding motion information. The encoding method includes determining whether motion information of spatial prediction units that are spatially collocated to a current prediction unit and motion information of temporal prediction units that are temporally collocated to the current prediction are available; when the number of the motion information of the spatial prediction units and the motion information of the temporal prediction units is less than a predetermined number, generating additional candidate motion information by using the available motion information of the spatial prediction units and the motion information of the temporal prediction units such that the total number of pieces of candidate motion information is the predetermined number; and decoding motion information of the current prediction unit by using the ‘n’ pieces of motion information.

摘要翻译： 一种用于编码和解码运动信息的方法和装置。 编码方法包括：确定空间上并置到当前预测单元的空间预测单元的运动信息和时间上与当前预测并置的时间预测单元的运动信息是否可用; 当空间预测单元的运动信息的数量和时间预测单元的运动信息少于预定数量时，通过使用空间预测单元的可用运动信息和运动信息生成附加的候选运动信息 时间预测单元，使得候选运动信息的总数为预定数; 以及通过使用'n'个运动信息来解码当前预测单元的运动信息。