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31. 发明申请

WO2011052897A3 METHOD AND APPARATUS FOR MOTION VECTOR ENCODING/DECODING USING SPATIAL DIVISION, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING SAME 审中-公开
标题翻译：使用空间分割的运动矢量编码/解码的方法和装置，以及使用其进行图像编码/解码的方法和装置
公开(公告)号：WO2011052897A3
公开(公告)日：2011-09-09
申请号：PCT/KR2010006738
申请日：2010-10-01
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , CHOE YOONSIK , CHOI YUNGHO , KIM YONGGOO
发明人： KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , CHOE YOONSIK , CHOI YUNGHO , KIM YONGGOO
IPC分类号： H04N7/32 , H04N7/24
CPC分类号： H04N19/567 , H04N19/52
摘要： The present invention relates to a method and apparatus for motion vector encoding/decoding using spatial division, and to a method and apparatus for image encoding/decoding using same. The present invention provides a motion vector encoding method comprising: collecting predictor motion vector candidates of the current block into a plurality of groups; selecting, as a representative predictor motion vector, one predictor motion vector candidate from among the predictor motion vector candidates in each group, such that representative predictor motion vectors for respective groups can be selected; selecting, as a predictor motion vector, one representative predictor motion vector from among the representative predictor motion vectors of the groups; and encoding a differential vector which is a difference between the current motion vector and the selected predictor motion vector of the current block. According to the present invention, an increase in bit rate, caused by encoding side information for indicating which predictor motion vector is selected, can be suppressed while reducing the size of the differential vector to be encoded, thus improving motion vector encoding efficiency and ultimately improving image compression efficiency.
摘要翻译：本发明涉及使用空间划分的运动矢量编码/解码的方法和装置，以及涉及使用其进行图像编码/解码的方法和装置。本发明提供了一种运动矢量编码方法，包括：将当前块的预测器运动矢量候选收集到多个组中; 从每组中的预测器运动矢量候选中选择一个预测器运动矢量作为代表预测器运动矢量，使得可以选择各组的代表性预测器运动矢量; 从所述组的代表性预测器运动矢量中选择一个代表性预测器运动矢量作为预测器运动矢量; 以及编码作为当前块的当前运动矢量和所选择的预测器运动矢量之间的差的差分矢量。根据本发明，可以抑制由编码侧信息引起的用于指示哪个预测器运动矢量被选择的比特率的增加，同时减小要编码的差分矢量的大小，从而提高运动矢量编码效率并最终改善图像压缩效率。

32. 发明申请

WO2011028046A3 METHOD, APPARATUS, AND RECORDING MEDIUM FOR ENCODING MOTION PICTURES THROUGH SECOND PREDICTION BASED ON REFERENCE IMAGES 审中-公开
标题翻译：用于基于参考图像通过第二预测来编码运动图片的方法，装置和记录介质
公开(公告)号：WO2011028046A3
公开(公告)日：2011-06-16
申请号：PCT/KR2010005978
申请日：2010-09-02
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , JO YOUNGHUN
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , JO YOUNGHUN
IPC分类号： H04N7/30 , H04N7/24 , H04N7/32
CPC分类号： H04N19/154 , H04N19/105 , H04N19/14 , H04N19/172
摘要： An embodiment of the present invention relates to a method, an apparatus, and a recording medium for encoding motion pictures (adaptive prediction errors) through a second prediction on the basis of the reference images which reduces predictive errors. One embodiment of the method comprises the steps of: generating a first predictive error signal on the basis of an input signal and a predictive signal; generating a second predictive error signal on the basis of a first predictive error signal of a present block and a first predictive error signal of a reference block; performing a quantization process after performing an adaptive DCT for the first predictive error signal or the second predictive error signal; selecting adaptively the quantized first predictive error signal or the quantized second predictive error signal; and encoding the adaptively selected signal.
摘要翻译：本发明的实施例涉及一种用于基于降低预测误差的参考图像通过第二预测对运动图片（自适应预测误差）进行编码的方法，设备和记录介质。该方法的一个实施例包括以下步骤：基于输入信号和预测信号生成第一预测误差信号; 基于当前块的第一预测误差信号和参考块的第一预测误差信号来生成第二预测误差信号; 在对第一预测误差信号或第二预测误差信号执行自适应DCT之后执行量化处理; 自适应地选择量化的第一预测误差信号或量化的第二预测误差信号; 并对自适应选择的信号进行编码。

33. 发明申请

WO2011062392A2 METHOD AND APPARATUS FOR ENCODING/DECODING A MOTION VECTOR BY SELECTING A SET OF PREDICTED CANDIDATE MOTION VECTORS, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING THE SAME 审中-公开
标题翻译：通过选择一组预测候选运动向量对编码/解码运动向量进行编码/解码的方法和装置，以及使用该编码/解码进行图像编码/解码的方法和装置
公开(公告)号：WO2011062392A2
公开(公告)日：2011-05-26
申请号：PCT/KR2010007839
申请日：2010-11-08
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , KIM YONGGOO , CHOE YOONSIK , CHOI YUNGHO
发明人： KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , KIM YONGGOO , CHOE YOONSIK , CHOI YUNGHO
IPC分类号： H04N7/32 , H04N7/24
CPC分类号： H04N19/52 , H04N19/13 , H04N19/176 , H04N19/70
摘要： The present invention relates to a method and apparatus for encoding/decoding a motion vector by selecting a set of predicted candidate motion vectors, and a method and apparatus for image encoding/decoding using the same. The method for encoding a motion vector according to the present invention comprises: selecting one set of predicted candidate motion vectors among plural sets of predicted candidate motion vectors by using information about motions of neighboring blocks of a current block; selecting one of the predicted candidate motion vectors in the selected set of predicted candidate motion vectors as a predicted motion vector; encoding a differential vector which represents the difference between the current motion vector as a motion vector of the current block and the predicted motion vector being selected; and encoding a predicted motion vector index that represents the predicted motion vector being selected. According to the present invention, as a motion vector is encoded by selecting an efficient set of predicted candidate motion vectors, the magnitude of a differential vector to be encoded can be reduced without necessarily encoding additional information to indicate which set of predicted candidate motion vectors has been selected. In result, the compression efficiency of a motion vector and further the compression efficiency of an image can be improved.
摘要翻译：本发明涉及一种通过选择一组预测候选运动矢量来编码/解码运动矢量的方法和设备，以及使用该方法和设备进行图像编码/解码的方法和设备。根据本发明的用于编码运动矢量的方法包括：通过使用关于当前块的相邻块的运动的信息，在多组预测候选运动矢量中选择一组预测候选运动矢量; 选择所选择的一组预测候选运动矢量中的一个预测候选运动矢量作为预测运动矢量; 编码表示作为当前块的运动矢量的当前运动矢量与被选择的预测运动矢量之间的差值的差分矢量; 并且编码表示被选择的预测运动矢量的预测运动矢量索引。根据本发明，由于通过选择有效的一组预测候选运动矢量来编码运动矢量，所以可以减小待编码的差分矢量的大小，而不必编码附加信息以指示哪组预测候选运动矢量具有已被选中。结果，可以提高运动矢量的压缩效率并进一步提高图像的压缩效率。

34. 发明申请

WO2010044566A3 MOTION PICTURE ENCODING/DECODING APPARATUS, AND METHOD AND APPARATUS FOR HYBRID BLOCK MOTION COMPENSATION/OVERLAPPED BLOCK MOTION COMPENSATION FOR SAME 审中-公开
标题翻译：运动图像编码/解码装置，以及用于混合块运动补偿的方法和装置/用于其的叠加块运动补偿
公开(公告)号：WO2010044566A3
公开(公告)日：2010-07-08
申请号：PCT/KR2009005744
申请日：2009-10-08
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO
发明人： KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO
IPC分类号： H04N7/32
CPC分类号： H04N19/103 , H04N19/129 , H04N19/146 , H04N19/176 , H04N19/583
摘要： The present invention provides a hybrid block motion compensation/adaptive overlapped block motion compensation apparatus for an encoding apparatus, said compensation apparatus comprising: a BMC/OBMC selection unit for selecting either a block motion compensation (BMC) or an overlapped block motion compensation (OBMC) by pixel units for the present block in accordance with a preset reference; an adaptive motion compensation unit for performing the motion compensation selected by the BMC/OBMC selection unit; a scan mode setting unit for scanning the present block in accordance with a plurality of preset scan modes, and setting the scan mode least frequently switching between the BMC and the OBMC; and an information recording unit for recording switching information at the position of the pixel relevant to the switching between the BMC and the OBMC, when a scanning is performed in accordance with the preset scan mode. The present invention provides a decoding apparatus comprising: an information interpreting unit for interpreting scan mode information of the present block and information of switching between the block motion compensation and the overlapped block motion compensation for each pixel of the present block; and an adaptive motion compensation unit for performing an adaptive motion compensation for each pixel on the basis of the scan mode information and the information of switching interpreted by the information interpreting unit. The present invention performs optimum motion compensation with a lower complexity by using a significantly small volume of additional information, thereby improving encoding/decoding performance.
摘要翻译：本发明提供一种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，所述补偿装置包括：BMC / OBMC选择单元，用于选择块运动补偿（BMC）或重叠块运动补偿（OBMC ）按照预设参考的当前块的像素单位; 自适应运动补偿单元，用于执行由BMC / OBMC选择单元选择的运动补偿; 扫描模式设置单元，用于根据多个预设扫描模式扫描当前块，并且在BMC和OBMC之间设置扫描模式最不频繁地切换; 以及信息记录单元，用于当根据预设扫描模式执行扫描时，在与BMC和OBMC之间的切换相关的像素的位置记录切换信息。本发明提供了一种解码装置，包括：信息解释单元，用于解释当前块的扫描模式信息和块运动补偿与重叠块运动补偿之间切换的信息; 以及自适应运动补偿单元，用于基于扫描模式信息和由信息解释单元解释的切换信息来对每个像素执行自适应运动补偿。本发明通过使用显着小量的附加信息来执行具有较低复杂度的最佳运动补偿，从而提高编码/解码性能。

35. 发明申请

WO2010032934A2 ENCODING METHOD AND ENCODING APPARATUS FOR B-TRANSFORM, AND ENCODED DATA FOR SAME 审中-公开
标题翻译：用于B变换的编码方法和编码装置以及用于相同编码的数据
公开(公告)号：WO2010032934A2
公开(公告)日：2010-03-25
申请号：PCT/KR2009005095
申请日：2009-09-09
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI , JUNG JINWOO
发明人： KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI , JUNG JINWOO
IPC分类号： H03M7/30
CPC分类号： H03M7/30
摘要： The present invention relates to an encoding method and to an encoding apparatus for B-transform, and to encoded data for same. The apparatus for encoding input data according to the present invention includes: a B-transform unit which performs B-transform on the input data to generate a binary representation; and an encoding unit which removes one or more binary symbols from the binary representation, and scans the binary representation where the one or more binary symbols are removed, to generate a bitstream. The present invention is advantageous in that it can encode uniform distribution data, and encode the binary representation generated after B-transform of uniform distribution data through the use of characteristics of B-transform, thus reducing the number of bits and improving compression performance.
摘要翻译：编码方法和用于B变换的编码装置本发明涉及用于B变换的编码装置和编码数据。根据本发明的用于编码输入数据的设备包括：B变换单元，其对输入数据执行B变换以生成二进制表示; 以及编码单元，其从二进制表示中移除一个或多个二进制符号，并且扫描二进制表示，其中一个或多个二进制符号被移除，以产生比特流。本发明的优点在于它可以对均匀分布的数据进行编码，并且通过使用B变换的特性对均匀分布数据的B变换之后生成的二进制表示进行编码，从而减少比特数并提高压缩性能。

36. 发明申请

WO2010047492A3 MOVING PICTURE ENCODER, 2D ALIGNMENT TRANSFORMATION DEVICE AND METHOD OF IMAGE SIGNAL FOR THE SAME, AND RECORDING MEDIUM THEREFOR 审中-公开
标题翻译：移动图像编码器，2D对准转换装置及其图像信号的方法及其记录介质
公开(公告)号：WO2010047492A3
公开(公告)日：2010-07-29
申请号：PCT/KR2009005923
申请日：2009-10-15
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI
发明人： KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI
IPC分类号： H04N7/24
CPC分类号： H04N19/85 , H04N19/61
摘要： The present invention relates to a moving picture encoder, a 2D alignment transformation device and method of an image signal for the same, and a recording medium therefor. The 2D alignment transformation device of an image signal according to the present invention comprises: a horizontal alignment section which horizontally aligns pixels of an image block in the order of size in the horizontal direction; a vertical alignment section which vertically aligns pixels of the image block in the vertical direction; and an index map generator which generates an index map for original positions of the horizontally and vertically aligned pixels. As any image signals can be rearranged as 2D-aligned image signals in the order of size and these aligned image signals can efficiently remove non-continuous points of existing images, energy concentration effects of block-based transformation techniques, such as DCT etc. are enhanced and coding efficiency can thus be maximized.
摘要翻译：本发明涉及运动图像编码器，2D对准变换装置及其图像信号的方法及其记录介质。根据本发明的图像信号的2D对准变换装置包括：水平对准部，其水平对准图像块的像素在水平方向上的大小; 在垂直方向垂直排列图像块的像素的垂直对准部; 以及索引图生成器，其生成水平和垂直排列的像素的原始位置的索引图。由于任何图像信号可以按尺寸的顺序重排为2D对准的图像信号，并且这些对准的图像信号可以有效地去除现有图像的非连续点，所以基于块的变换技术（例如DCT等）的能量集中效应是因此可以使增强和编码效率最大化。

37. 发明申请

WO2010011047A3 APPARATUS AND METHOD FOR DETERMINING ADAPTIVE FILTER TAP TO ENCODE WAVELET TRANSFORM COEFFICIENT, WAVELET TRANSFORM APPARATUS AND METHOD USING THE SAME, AND RECORDING MEDIUM FOR THE SAME 审中-公开
标题翻译：用于确定自适应滤光片以编码小波变换系数的装置和方法，小波变换装置和使用其的方法及其记录介质
公开(公告)号：WO2010011047A3
公开(公告)日：2010-05-27
申请号：PCT/KR2009003888
申请日：2009-07-15
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI
发明人： KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , KIM SUNGJEI
IPC分类号： H04N7/26
CPC分类号： H04N19/635 , H04N19/122
摘要： The present invention relates to an apparatus and a method for determining an adaptive filter tap to encode a wavelet transform coefficient, a wavelet transform apparatus and method using the same, and a recoding medium for the same, wherein the apparatus and the method for determining an adaptive filter tap enables the energy to be minimized in a high band in consideration of not only the existence and nonexistence of an edge but also the location of the edge. The apparatuses, the methods and the recording medium are provided in the invention so that the invention may adaptively determine the filter tap to code the wavelet transform coefficient efficiently. Therefore, the invention is able to prevent ringing artifacts and increase coding efficiency while maintaining clear definition on the edges.
摘要翻译：本发明涉及一种用于确定用于对小波变换系数进行编码的自适应滤波器抽头的装置和方法，小波变换装置及其使用方法，以及用于其的记录介质，其中，所述装置和方法用于确定考虑到边缘的存在和不存在以及边缘的位置，自适应滤波器抽头使得能量在高频带中被最小化。在本发明中提供了装置，方法和记录介质，使得本发明可以自适应地确定滤波器抽头以有效地编码小波变换系数。因此，本发明能够防止振铃伪像并提高编码效率，同时保持边缘上的清晰定义。

38. 发明申请

WO2010050699A3 MOTION PICTURE ENCODING/DECODING APPARATUS, ADAPTIVE DEBLOCKING FILTERING APPARATUS AND FILTERING METHOD FOR SAME, AND RECORDING MEDIUM 审中-公开
标题翻译：运动图像编码/解码装置，自适应解锁滤波装置和滤波方法及记录介质
公开(公告)号：WO2010050699A3
公开(公告)日：2010-08-05
申请号：PCT/KR2009006127
申请日：2009-10-22
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO , AHN JUNHYUK
发明人： KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO , AHN JUNHYUK
IPC分类号： H04N7/24 , H04N7/30
CPC分类号： H04N19/86 , H04N19/117 , H04N19/14 , H04N19/176 , H04N19/61 , H04N19/82
摘要： The present invention relates to a motion picture encoding/decoding apparatus, an adaptive deblocking filtering apparatus and a filtering method for same, and a recording medium. The deblocking filtering apparatus according to one embodiment of the present invention comprises: a boundary intensity determination unit which determines the intensity of the boundary between sub-blocks of the present block; a direction selection unit which sequentially selects directions one by one from among a plurality of directions which are preset on the basis of the boundary; a pixel selection unit which selects pixels to be filtered on the basis of the selected direction; a filtering determination unit which determines whether or not to perform filtering in the selected direction in accordance with the relationship among pixel values of the selected pixels; and a filtering unit which performs filtering on the selected pixels in the selected directions in accordance with the result of the determination of the filtering determination unit. The present invention subjects 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：本发明涉及运动图像编码/解码装置，自适应去块滤波装置及其滤波方法和记录介质。根据本发明的一个实施例的去块滤波装置包括：边界强度确定单元，确定当前块的子块之间的边界的强度; 方向选择单元，其从基于边界预先设定的多个方向依次选择方向一个一个; 像素选择单元，其基于所选择的方向选择要滤波的像素; 滤波确定单元，其根据所选择的像素的像素值之间的关系确定是否在所选择的方向上执行滤波; 以及滤波单元，其根据滤波确定单元的确定结果对所选择的方向上的所选择的像素进行滤波。本发明在多个方向以及垂直和水平方向上进行像素宽的去块滤波，从而有效地去除由多个对角线方向上的边缘引起的对角线不连续性导致的块失真。

39. 发明申请

WO2010044559A3 MOTION PICTURE ENCODING/DECODING APPARATUS, AND APPARATUS AND METHOD FOR ADAPTIVE OVERLAPPED BLOCK MOTION COMPENSATION BY VARIABLE UNIT FOR SAME 审中-公开
标题翻译：运动图像编码/解码装置以及用于通过相同的变量单元对其自适应重叠块运动补偿的装置和方法
公开(公告)号：WO2010044559A3
公开(公告)日：2010-07-29
申请号：PCT/KR2009005688
申请日：2009-10-06
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO
发明人： KIM HAYOON , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO , KIM BYONGHO
IPC分类号： H04N7/24
CPC分类号： H04N7/363 , H04N19/583
摘要： The present invention relates to a motion picture encoding/decoding apparatus, and apparatus and method for adaptive overlapped block motion compensation by a variable unit for same. The apparatus and the method for adaptive overlapped block motion compensation by a variable unit, according to the present invention, 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, and perform a motion compensation, 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：本发明涉及一种运动图像编码/解码设备，以及用于通过相同的可变单元进行自适应重叠块运动补偿的设备和方法。根据本发明的用于通过可变单元进行自适应重叠块运动补偿的设备和方法使得编码器能够针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，并且使编码器能够计算在所述补偿和剩余像素能量中出现的计算量，基于计算估计每种模式的性能，确定最佳扫描模式和最佳采样模式，并且执行运动补偿，从而使得解码器能够利用基于确定的模式的最佳性能和较少的计算量。

40. 发明申请

WO2010047499A3 VIDEO ENCODING/DECODING APPARATUS, DE-BLOCKING FILTER AND FILTERING METHOD BASED ON INTRA-PREDICTION DIRECTIONS FOR SAME, AND RECORDING MEDIA 审中-公开
标题翻译：视频编码/解码装置，基于帧内预测方向的去块滤波器和滤波方法以及记录介质
公开(公告)号：WO2010047499A3
公开(公告)日：2010-07-29
申请号：PCT/KR2009005965
申请日：2009-10-16
申请人： SK TELECOM CO LTD , KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , JEONG JINWOO
发明人： KIM HAYOON , CHOE YOONSIK , KIM YONGGOO , CHOI YUNGHO , JEONG JINWOO
IPC分类号： H04N7/32
CPC分类号： H04N19/117 , H04N19/159 , H04N19/176 , H04N19/61 , H04N19/86
摘要： This invention relates to a video encoding/decoding apparatus, a de-blocking filter and filtering method based on intra-prediction directions for same, and recording media. A de-blocking filter according to one embodiment of the present invention comprises: a boundary strength decision unit for determining the strength of a current block boundary; an intra-block checking unit for checking whether a sub-block to which a first pixel belongs is an intra-block based on said boundary; an intra-prediction direction checking unit for checking the intra-prediction direction of said sub-block when said sub-block is an intra-block; a pixel selection unit for selecting pixels to be filtered based on said first pixel and said checked intra-prediction direction; and a filtering unit for filtering horizontally, vertically and diagonally based on relationships between said intra-prediction direction and the values of said selected pixels. Therefore, the present invention can eliminate de-blocking artifacts within oblique edges at a boundary between blocks by de-blocking filtering in the intra-prediction direction.
摘要翻译：视频编码/解码设备，基于帧内预测方向的去块滤波器和滤波方法以及记录介质技术领域本发明涉及一种视频编码/解码设备，根据本发明的一个实施例的去块效应滤波器包括：边界强度决定单元，用于确定当前块边界的强度; 块内检查单元，用于基于所述边界检查第一像素所属的子块是否是块内; 帧内预测方向检查单元，用于当所述子块是块内时检查所述子块的帧内预测方向; 像素选择单元，用于基于所述第一像素和所述检查的帧内预测方向来选择要滤波的像素; 以及滤波单元，用于基于所述帧内预测方向与所述选择的像素的值之间的关系，水平地，垂直地和对角地进行滤波。因此，本发明可以通过帧内预测方向上的解块滤波消除块之间的边界处的斜边内的解块伪像。

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