公开(公告)号：US20090225869A1

公开(公告)日：2009-09-10

申请号：US12289213

申请日：2008-10-22

申请人： Dae-sung Cho ,  Woong-il Choi

发明人： Dae-sung Cho ,  Woong-il Choi

IPC分类号： H04N7/26

CPC分类号： H04N19/33 ,  H04N19/105 ,  H04N19/16 ,  H04N19/184 ,  H04N19/186 ,  H04N19/187

摘要： Provided are a scalable video encoding apparatus, a scalable video decoding apparatus, and method. The scalable video encoding apparatus includes a first encoding unit to generate a base layer bitstream, which is to be used for generating a reconstructed image having a second resolution, by encoding an original image having a first resolution into an encoded image having the second resolution, and a second encoding unit to generate an enhancement layer bitstream by reconstructing the reconstructed image having the second resolution, which is received from the first encoding unit, to be a reconstructed image having the first resolution in response to an interpolation mode signal, and then to encode the original image having the first resolution by using the reconstructed image having the first resolution, where the enhancement layer bitstream contains additional information for generating a reconstructed image having the first resolution or a third resolution.

摘要翻译： 提供了可分级视频编码装置，可分级视频解码装置和方法。 可分级视频编码装置包括：第一编码单元，用于通过将具有第一分辨率的原始图像编码为具有第二分辨率的编码图像来生成将用于生成具有第二分辨率的重建图像的基本层比特流， 以及第二编码单元，用于通过将从第一编码单元接收到的具有第二分辨率的重构图像重建为具有响应于插值模式信号的第一分辨率的重建图像来生成增强层比特流，然后到 通过使用具有第一分辨率的重建图像对具有第一分辨率的原始图像进行编码，其中增强层比特流包含用于生成具有第一分辨率或第三分辨率的重建图像的附加信息。

公开(公告)号：US07262721B2

公开(公告)日：2007-08-28

申请号：US11332568

申请日：2006-01-17

申请人： Byeung-woo Jeon ,  Woong-il Choi

发明人： Byeung-woo Jeon ,  Woong-il Choi

IPC分类号： H03M7/00

CPC分类号： H04N19/36 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/187 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/61 ,  H04N19/70

摘要： Methods and apparatuses are provided for adaptive entropy encoding and adaptive entropy decoding using various context models. A scalable entropy encoding method includes determining a context by referring to both syntax elements in the same layer as a block including a syntax element to be encoded and syntax elements in lower layers or only the syntax elements in the lower layers and performing entropy encoding on the syntax element using the determined context.

摘要翻译： 提供了使用各种上下文模型的自适应熵编码和自适应熵解码的方法和装置。 可扩展的熵编码方法包括通过参考包括要编码的语法元素和下层中的语法元素的块的相同层中的两个语法元素或者仅在下层中的语法元素来执行熵编码来确定上下文 语法元素使用确定的上下文。

公开(公告)号：US07483579B2

公开(公告)日：2009-01-27

申请号：US11773217

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jeon

发明人： Woong-il Choi ,  Byeung-woo Jeon

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

公开(公告)号：US20080013843A1

公开(公告)日：2008-01-17

申请号：US11773218

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jeon

发明人： Woong-il Choi ,  Byeung-woo Jeon

IPC分类号： G06K9/36

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

摘要翻译： 提供了一种用于对运动矢量进行编码和解码的方法和装置。 运动矢量通过以下步骤进行编码：（a）预测与当前块相同类型的运动矢量，并获得相对于具有不同于当前块类型的运动矢量的相邻块的预测运动矢量 与当前块相邻的多个相邻块; （b）从相邻块和预测运动矢量的运动矢量中计算与当前块相同类型的运动矢量的代表值; （c）计算所计算的代表值与当前块的运动矢量之间的差值; 和（d）对所计算的差值进行编码。 运动矢量即使在参考不同的参考图像时也能被更有效地编码。

公开(公告)号：US07257263B2

公开(公告)日：2007-08-14

申请号：US10619615

申请日：2003-07-16

申请人： Woong-il Choi ,  Byeung-woo Jeon

发明人： Woong-il Choi ,  Byeung-woo Jeon

IPC分类号： G06K9/00

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

摘要翻译： 提供了一种用于对运动矢量进行编码和解码的方法和装置。 运动矢量通过以下步骤进行编码：（a）预测与当前块相同类型的运动矢量，并获得相对于具有不同于当前块类型的运动矢量的相邻块的预测运动矢量 与当前块相邻的多个相邻块; （b）从相邻块和预测运动矢量的运动矢量中计算与当前块相同类型的运动矢量的代表值; （c）计算所计算的代表值与当前块的运动矢量之间的差值; 和（d）对所计算的差值进行编码。 运动矢量即使在参考不同的参考图像时也能被更有效地编码。

公开(公告)号：US07447370B2

公开(公告)日：2008-11-04

申请号：US11773297

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jēon

发明人： Woong-il Choi ,  Byeung-woo Jēon

IPC分类号： G06K9/36

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

摘要翻译： 提供了一种用于对运动矢量进行编码和解码的方法和装置。 运动矢量通过以下步骤进行编码：（a）预测与当前块相同类型的运动矢量，并获得相对于具有不同于当前块类型的运动矢量的相邻块的预测运动矢量 与当前块相邻的多个相邻块; （b）从相邻块和预测运动矢量的运动矢量中计算与当前块相同类型的运动矢量的代表值; （c）计算所计算的代表值与当前块的运动矢量之间的差值; 和（d）对所计算的差值进行编码。 运动矢量即使在参考不同的参考图像时也能被更有效地编码。

公开(公告)号：US20080013631A1

公开(公告)日：2008-01-17

申请号：US11773297

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jeon

发明人： Woong-il Choi ,  Byeung-woo Jeon

IPC分类号： H04N11/00

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

公开(公告)号：US20070286505A1

公开(公告)日：2007-12-13

申请号：US11773164

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jeon

发明人： Woong-il Choi ,  Byeung-woo Jeon

IPC分类号： G06K9/36

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

摘要翻译： 提供了一种用于对运动矢量进行编码和解码的方法和装置。 运动矢量通过以下步骤进行编码：（a）预测与当前块相同类型的运动矢量，并获得相对于具有不同于当前块类型的运动矢量的相邻块的预测运动矢量 与当前块相邻的多个相邻块; （b）从相邻块和预测运动矢量的运动矢量中计算与当前块相同类型的运动矢量的代表值; （c）计算所计算的代表值与当前块的运动矢量之间的差值; 和（d）对所计算的差值进行编码。 运动矢量即使在参考不同的参考图像时也能被更有效地编码。

公开(公告)号：US20060158355A1

公开(公告)日：2006-07-20

申请号：US11332568

申请日：2006-01-17

申请人： Byeung-woo Jeon ,  Woong-il Choi

发明人： Byeung-woo Jeon ,  Woong-il Choi

IPC分类号： H03M7/00

CPC分类号： H04N19/36 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/187 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/61 ,  H04N19/70

摘要： Methods and apparatuses are provided for adaptive entropy encoding and adaptive entropy decoding using various context models. A scalable entropy encoding method includes determining a context by referring to both syntax elements in the same layer as a block including a syntax element to be encoded and syntax elements in lower layers or only the syntax elements in the lower layers and performing entropy encoding on the syntax element using the determined context.

摘要翻译： 提供了使用各种上下文模型的自适应熵编码和自适应熵解码的方法和装置。 可扩展的熵编码方法包括通过参考包括要编码的语法元素和下层中的语法元素的块的相同层中的两个语法元素或者仅在下层中的语法元素来执行熵编码来确定上下文 语法元素使用确定的上下文。

公开(公告)号：US07486831B2

公开(公告)日：2009-02-03

申请号：US11773164

申请日：2007-07-03

申请人： Woong-il Choi ,  Byeung-woo Jēon

发明人： Woong-il Choi ,  Byeung-woo Jēon

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H04N19/61 ,  H04N19/503 ,  H04N19/52

摘要： There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to neighbor blocks having motion vectors of a type different from that of the present block among a plurality of neighbor blocks adjacent to the present block; (b) calculating a representative value of the motion vectors of the type identical to that of the present block from the motion vectors of the neighbor blocks and the predictive motion vectors; (c) calculating a difference value between the calculated representative value and the motion vector of the present block; and (d) encoding the calculated difference value. The motion vectors can be more efficiently encoded even when they refer to different reference pictures.

摘要翻译： 提供了一种用于对运动矢量进行编码和解码的方法和装置。 运动矢量通过以下步骤进行编码：（a）预测与当前块相同类型的运动矢量，并获得相对于具有不同于当前块类型的运动矢量的相邻块的预测运动矢量 与当前块相邻的多个相邻块; （b）从相邻块和预测运动矢量的运动矢量中计算与当前块相同类型的运动矢量的代表值; （c）计算所计算的代表值与当前块的运动矢量之间的差值; 和（d）对所计算的差值进行编码。 运动矢量即使在参考不同的参考图像时也能被更有效地编码。