公开(公告)号：US20110200103A1

公开(公告)日：2011-08-18

申请号：US13125946

申请日：2009-10-16

申请人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

发明人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

IPC分类号： H04N7/28

CPC分类号： H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/61 ,  H04N19/86

摘要： A video encoding/decoding apparatus, a deblocking filter and filtering method based on intra-prediction directions for same, and recording media are disclosed, and the deblocking filter includes: a boundary strength determiner for determining strength of boundary of current block; an intra-block identifier for confirming intra-block identity of a subblock enclosing first pixel at a certain location with reference to the boundary; an intra-prediction direction identifier for identifying an intra-prediction direction of the subblock if the subblock is identified as an intra-block; a filtering pixel selection unit for selecting pixels for filtering based on the first pixel and the identified intra-prediction direction; and a filtering unit for filtering in horizontal direction, vertical direction, or diagonal direction depending on the intra-prediction direction and relationships between pixel values of the selected pixels to eliminate deblocking artifacts within diagonal edges at a boundary between blocks by deblocking filtering in the intra-prediction direction.

摘要翻译： 公开了一种基于帧内预测方向的图像编码/解码装置，去块滤波器和滤波方法以及记录介质，并且解块滤波器包括：用于确定当前块的边界强度的边界强度确定器; 块内标识符，用于确定参照边界在某个位置处封装第一像素的子块的块内标识; 如果子块被识别为帧内块，则用于识别子块的帧内预测方向的帧内预测方向标识符; 滤波像素选择单元，用于基于第一像素和所识别的帧内预测方向选择用于滤波的像素; 以及滤波单元，用于根据帧内预测方向和所选择的像素的像素值之间的关系在水平方向，垂直方向或对角线方向上进行滤波，以通过在帧内的解块滤波来消除块之间的边界处的对角边缘内的去块伪影 预测方向。

公开(公告)号：US09264721B2

公开(公告)日：2016-02-16

申请号：US13125946

申请日：2009-10-16

申请人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

发明人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/61 ,  H04N19/86

CPC分类号： H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/61 ,  H04N19/86

摘要： A video encoding/decoding apparatus, a deblocking filter and filtering method based on intra-prediction directions for same, and recording media are disclosed, and the deblocking filter includes: a boundary strength determiner for determining strength of boundary of current block; an intra-block identifier for confirming intra-block identity of a subblock enclosing first pixel at a certain location with reference to the boundary; an intra-prediction direction identifier for identifying an intra-prediction direction of the subblock if the subblock is identified as an intra-block; a filtering pixel selection unit for selecting pixels for filtering based on the first pixel and the identified intra-prediction direction; and a filtering unit for filtering in horizontal direction, vertical direction, or diagonal direction depending on the intra-prediction direction and relationships between pixel values of the selected pixels to eliminate deblocking artifacts within diagonal edges at a boundary between blocks by deblocking filtering in the intra-prediction direction.

摘要翻译： 公开了一种基于帧内预测方向的图像编码/解码装置，去块滤波器和滤波方法以及记录介质，并且解块滤波器包括：用于确定当前块的边界强度的边界强度确定器; 块内标识符，用于确定参照边界在某个位置处封装第一像素的子块的块内标识; 如果子块被识别为帧内块，则用于识别子块的帧内预测方向的帧内预测方向标识符; 滤波像素选择单元，用于基于第一像素和所识别的帧内预测方向选择用于滤波的像素; 以及滤波单元，用于根据帧内预测方向和所选择的像素的像素值之间的关系在水平方向，垂直方向或对角线方向上进行滤波，以通过在帧内的解块滤波来消除块之间的边界处的对角边缘内的去块伪影 预测方向。

公开(公告)号：US09531917B2

公开(公告)日：2016-12-27

申请号：US13511336

申请日：2010-11-23

申请人： Sunyeon Kim ,  Jeongyeon Lim ,  Gyumin Lee ,  Jaehoon Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

发明人： Sunyeon Kim ,  Jeongyeon Lim ,  Gyumin Lee ,  Jaehoon Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

IPC分类号： H04N1/56 ,  H04N19/61 ,  H04N19/593 ,  H04N19/186 ,  H04N19/176

CPC分类号： H04N1/56 ,  H04N19/176 ,  H04N19/186 ,  H04N19/593 ,  H04N19/61

摘要： The present disclosure relates to extracting correlation parameters between color planes for prediction by extracting optimum correlation parameters between the color planes using neighboring blocks when a prediction screen is generated through the use of the correlation between the color planes in video encoding. The technology includes neighboring block searching unit responsive to a second block of a reconstructed previous plane corresponding to a first block to be encoded of a current plane, for searching for a third block belonging to neighboring blocks of the second block and having smallest difference in pixel value from the second block; correlation parameter calculator for calculating correlation parameters between the third block and a fourth block reconstructed of the current plane and corresponding to the third block, based on the third block and the fourth block, and predictor for predicting the first block based on the second block and calculated correlation parameters.

摘要翻译： 本公开涉及通过使用视频编码中的色彩平面之间的相关性来生成预测屏幕时，通过使用相邻块提取色彩平面之间的最佳相关参数来提取用于预测的彩色平面之间的相关参数。 该技术包括响应于对应于要编码的当前平面的第一块的重构的先前平面的第二块的相邻块搜索单元，用于搜索属于第二块的相邻块并且具有最小像素差的第三块 第二块的值; 相关参数计算器，用于基于第三块和第四块，计算第三块与当前平面重构并与第三块相对应的第四块之间的相关参数，以及用于基于第二块预测第一块的预测器，以及 计算相关参数。

公开(公告)号：US20110235704A1

公开(公告)日：2011-09-29

申请号：US13124225

申请日：2009-10-08

申请人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim

发明人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim

IPC分类号： H04N7/26

CPC分类号： H04N19/103 ,  H04N19/129 ,  H04N19/146 ,  H04N19/176 ,  H04N19/583

摘要： A hybrid block motion compensation/adaptive overlapped block motion compensation apparatus for an encoding apparatus includes: a selector for selecting between a block motion compensation BMC and an overlapped block motion compensation OBMC with respect to a current block in units of pixels according to a set criterion; an adaptive motion compensator; a scan mode setter for scanning the current block in a plurality of set scan modes and establishing a scan mode causing a smallest number of transitions between the BMC and OBMC; and an information recorder for recording transition information at locations of the pixels corresponding to the transitions between the BMC and OBMC. A decoding apparatus is disclosed including: an interpreter for scan mode information of a current block and information about transitions between the BMC and OBMC for each of pixels of the current block; and an adaptive motion compensator for operating in units of the pixels.

摘要翻译： 用于编码装置的混合块运动补偿/自适应重叠块运动补偿装置包括：选择器，用于根据设定的标准以像素为单位相对于当前块在块运动补偿BMC和重叠块运动补偿OBMC之间进行选择 ; 自适应运动补偿器; 扫描模式设定器，用于以多个设定的扫描模式扫描当前块并建立在BMC与OBMC之间产生最小数量的转换的扫描模式; 以及信息记录器，用于在与BMC和OBMC之间的转变相对应的像素的位置处记录转换信息。 公开了一种解码装置，包括：用于当前块的扫描模式信息的解释器和关于当前块的每个像素的BMC和OBMC之间的转换的信息; 以及用于以像素为单位操作的自适应运动补偿器。

公开(公告)号：US20110200100A1

公开(公告)日：2011-08-18

申请号：US13126144

申请日：2009-10-22

申请人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim ,  Junhyuk Ahn

发明人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim ,  Junhyuk Ahn

IPC分类号： H04N7/12

CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/61 ,  H04N19/82

摘要： A video encoding/decoding apparatus, an adaptive deblocking filtering apparatus and a filtering method for same, and a recording medium are disclosed. The filtering apparatus includes: a boundary strength determiner for determining strength of boundaries between subblocks of current block; a direction selector for selecting multiple directions preset with reference to the boundary sequentially; a filtering pixel selector for selecting pixels for filtering based on selected directions; a filtering determiner for determining whether to perform the filtering for the selected directions depending on relationships between pixel values of selected pixels; and a filtering unit for filtering the selected pixels in the selected directions depending on the determination of whether to perform filtering to apply pixel-wide deblocking filtering in a plurality of directions as well as in vertical and horizontal directions, thus effectively removing block distortions resulting from a diagonal discontinuity caused byedges in a plurality of diagonal directions.

摘要翻译： 公开了一种视频编码/解码装置，自适应去块滤波装置及其滤波方法及记录介质。 滤波装置包括：边界强度确定器，用于确定当前块的子块之间的边界的强度; 方向选择器，用于选择参考边界预先设定的多个方向; 滤波像素选择器，用于基于所选择的方向选择用于滤波的像素; 滤波确定器，用于根据所选择的像素的像素值之间的关系确定是否对所选择的方向进行滤波; 以及滤波单元，用于根据是否执行滤波以在多个方向以及垂直和水平方向上进行像素宽度去块滤波的确定来对所选择的方向中的所选像素进行滤波，从而有效地去除由 在多个对角线方向上产生的对角不连续性。

公开(公告)号：US20110200098A1

公开(公告)日：2011-08-18

申请号：US13125254

申请日：2009-10-14

申请人： Hayoon Kim ,  Yonggoo Kim ,  Yoonsik Choe ,  Yungho Choi

发明人： Hayoon Kim ,  Yonggoo Kim ,  Yoonsik Choe ,  Yungho Choi

IPC分类号： H04N7/26

CPC分类号： H04N19/567 ,  H04N19/583

摘要： The present disclosure provides an adaptive overlapped block motion compensation apparatus employing adaptive weights including: an RBMC(x,y) calculator for calculating residual signal RBMC(x,y) in block motion estimation; a DN(x,y) calculator for calculating differential pixel value DN(x,y) between a motion compensated block generated by a motion vector of an adjacent block and a currently motion compensated block; a unit for updating and setting additional information for performing an adaptive overlapped block motion compensation based on RBMC(x,y) and DN(x,y); and an adaptive overlapped block motion compensation operating on respective pixels in certain pixel units based on the additional information, progressing to subsequent pixels if an absolute value of RBMC(x,y) is not greater than the additional information, and if the absolute value of RBMC(x,y) is greater than the additional information, calculating an ROBmc(x,y) with an HN(x,y) selectively signed so that an absolute value of ROBMC(x,y) is smaller than the absolute value of RBMC(x,y).

摘要翻译： 本公开提供一种采用自适应权重的自适应重叠块运动补偿装置，包括：用于在块运动估计中计算残差信号RBMC（x，y）的RBMC（x，y）计算器; 用于计算由相邻块的运动矢量生成的运动补偿块和当前运动补偿块之间的差分像素值DN（x，y）的DN（x，y）计算器; 用于更新和设置用于基于RBMC（x，y）和DN（x，y）执行自适应重叠块运动补偿的附加信息的单元; 以及基于附加信息在某些像素单元中对各个像素进行自适应重叠块运动补偿，如果RBMC（x，y）的绝对值不大于附加信息，则前进到后续像素，并且如果绝对值 RBMC（x，y）大于附加信息，计算具有选择性符号的HN（x，y）的ROBmc（x，y），使得ROBMC（x，y）的绝对值小于 RBMC（x，y）。

公开(公告)号：US20130003825A1

公开(公告)日：2013-01-03

申请号：US13511336

申请日：2010-11-23

申请人： Sunyeon Kim ,  Jeongyeon Lim ,  Gyumin Lee ,  Jaehoon Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

发明人： Sunyeon Kim ,  Jeongyeon Lim ,  Gyumin Lee ,  Jaehoon Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Jinwoo Jeong

IPC分类号： H04N7/50 ,  H04N11/02

CPC分类号： H04N1/56 ,  H04N19/176 ,  H04N19/186 ,  H04N19/593 ,  H04N19/61

摘要： The present disclosure relates to extracting correlation parameters between color planes for prediction by extracting optimum correlation parameters between the color planes using neighboring blocks when a prediction screen is generated through the use of the correlation between the color planes in video encoding. The technology includes neighboring block searching unit responsive to a second block of a reconstructed previous plane corresponding to a first block to be encoded of a current plane, for searching for a third block belonging to neighboring blocks of the second block and having smallest difference in pixel value from the second block; correlation parameter calculator for calculating correlation parameters between the third block and a fourth block reconstructed of the current plane and corresponding to the third block, based on the third block and the fourth block, and predictor for predicting the first block based on the second block and calculated correlation parameters.

摘要翻译： 本公开涉及通过使用视频编码中的色彩平面之间的相关性来生成预测屏幕时，通过使用相邻块提取色彩平面之间的最佳相关参数来提取用于预测的彩色平面之间的相关参数。 该技术包括响应于对应于要编码的当前平面的第一块的重构的先前平面的第二块的相邻块搜索单元，用于搜索属于第二块的相邻块并且具有最小像素差的第三块 第二块的值; 相关参数计算器，用于基于第三块和第四块，计算第三块与当前平面重构并与第三块相对应的第四块之间的相关参数，以及用于基于第二块预测第一块的预测器，以及 计算相关参数。

公开(公告)号：US09596485B2

公开(公告)日：2017-03-14

申请号：US13126144

申请日：2009-10-22

申请人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim ,  Junhyuk Ahn

发明人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim ,  Junhyuk Ahn

IPC分类号： H04N7/12 ,  H04N19/86 ,  H04N19/176 ,  H04N19/61 ,  H04N19/117 ,  H04N19/14 ,  H04N19/82

CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/61 ,  H04N19/82

摘要： A video encoding/decoding apparatus, an adaptive deblocking filtering apparatus and a filtering method for same, and a recording medium are disclosed. The filtering apparatus includes: a boundary strength determiner for determining strength of boundaries between subblocks of current block; a direction selector for selecting multiple directions preset with reference to the boundary sequentially; a filtering pixel selector for selecting pixels for filtering based on selected directions; a filtering determiner for determining whether to perform the filtering for the selected directions depending on relationships between pixel values of selected pixels; and a filtering unit for filtering the selected pixels in the selected directions depending on the determination of whether to perform filtering to apply pixel-wide deblocking filtering in a plurality of directions as well as in vertical and horizontal directions, thus effectively removing block distortions resulting from a diagonal discontinuity caused by edges in a plurality of diagonal directions.

摘要翻译： 公开了一种视频编码/解码装置，自适应去块滤波装置及其滤波方法及记录介质。 滤波装置包括：边界强度确定器，用于确定当前块的子块之间的边界的强度; 方向选择器，用于选择参考边界预先设定的多个方向; 滤波像素选择器，用于基于所选择的方向选择用于滤波的像素; 滤波确定器，用于根据所选择的像素的像素值之间的关系确定是否对所选择的方向进行滤波; 以及滤波单元，用于根据是否执行滤波以在多个方向以及垂直和水平方向上进行像素宽度去块滤波的确定来对所选择的方向中的所选像素进行滤波，从而有效地去除由 由多个对角线方向上的边缘引起的对角线间断。

公开(公告)号：US08848783B2

公开(公告)日：2014-09-30

申请号：US13123693

申请日：2009-10-06

申请人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim

发明人： Hayoon Kim ,  Yungho Choi ,  Yoonsik Choe ,  Yonggoo Kim ,  Byongho Kim

IPC分类号： H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  G06K9/46 ,  G06K9/36 ,  H04N19/583

CPC分类号： H04N7/363 ,  H04N19/583

摘要： The present disclosure relates to a video encoding/decoding apparatus, and apparatus and method for adaptive overlapped block motion compensation by variable units for same. The apparatus and the method for adaptive overlapped block motion compensation by variable units, according to the present disclosure, when conducting a motion compensation, enable an encoder to perform an adaptive overlapped block motion compensation for a plurality of predetermined scan modes and sampling modes, and enable the encoder to calculate the computation volume occurring in said compensation and residual pixel energy, estimate the performance for each mode based on the calculation, determine an optimum scan mode and an optimum sampling mode, thus enabling a decoder to perform a motion compensation with optimum performance and less computing volume based on the determined mode.

摘要翻译： 本公开涉及一种视频编码/解码装置，以及用于通过可变单元进行自适应重叠块运动补偿的装置和方法。 根据本公开的可变单元的自适应重叠块运动补偿的装置和方法当进行运动补偿时，使得编码器能够对多个预定扫描模式和采样模式执行自适应重叠块运动补偿，以及 使编码器能够计算在所述补偿和残余像素能量中发生的计算量，基于计算估计每个模式的性能，确定最佳扫描模式和最佳采样模式，从而使解码器能够以最佳的方式执行运动补偿 基于确定模式的性能和较少的计算量。

公开(公告)号：US08462023B2

公开(公告)日：2013-06-11

申请号：US13063784

申请日：2009-09-09

申请人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Sungjei Kim ,  Jinwoo Jung

发明人： Hayoon Kim ,  Yoonsik Choe ,  Yonggoo Kim ,  Yungho Choi ,  Sungjei Kim ,  Jinwoo Jung

IPC分类号： H03M7/00

CPC分类号： H03M7/30

摘要： An encoding method and encoding apparatus for B-transform, and encoded data for same are provided. The apparatus is for encoding input data and includes: a B-transform unit for performing a B-transform on the input data to generate a binary expression; and an encoder for removing one or more binary symbols from the binary expression and scanning the binary expression with the one or more binary symbols removed to generate a bitstream. According to the method and apparatus, it is possible to encode uniform distribution data efficiently, and using the B-transform by its characteristics for reducing the bit number in the generation of the binary expressions from the B-transform operation on the uniform distribution data enhances the data compression performance.

摘要翻译： 提供了一种用于B变换的编码方法和编码装置，以及用于其的编码数据。 该装置用于编码输入数据，并包括：B变换单元，用于对输入数据执行B变换以产生二进制表达式; 以及用于从二进制表达式中去除一个或多个二进制符号并且用去除了一个或多个二进制符号扫描二进制表达式以生成比特流的编码器。 根据该方法和装置，可以有效地对均匀分布数据进行编码，并且通过其特性来使用B变换来减少在均匀分布数据上从B变换操作生成二进制表达式中的位数增强 数据压缩性能。