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41. 发明授权

US09445101B2 Video decoding method using skip information 有权
标题翻译：视频解码方法使用跳过信息
公开(公告)号：US09445101B2
公开(公告)日：2016-09-13
申请号：US14794204
申请日：2015-07-08
申请人： SK TELECOM CO., LTD.
发明人： Jinhan Song , Jeongyeon Lim , Jongki Han , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Chanwon Seo , Hyoungmee Park
IPC分类号： H04N7/12 , H04N19/124 , H04N19/159 , H04N19/176 , H04N19/463 , H04N19/52 , H04N19/61
CPC分类号： H04N19/124 , H04N19/122 , H04N19/132 , H04N19/159 , H04N19/176 , H04N19/184 , H04N19/463 , H04N19/52 , H04N19/61
摘要： A video decoding method includes: decoding a skip information indicating whether or not a current block to be decoded is a skip block; when the skip information indicates that the current block is the skip block, decoding motion information of the current block, determining a motion vector of the current block, and reconstructing the current block directly from a predicted block, without decoding information on residual signals of the current block; and when the skip information indicates that the current block is not the skip block, decoding prediction information of the current block from the bitstream, decoding information on a quantization parameter and transform coefficients which correspond to the current block, when at least one of the transform coefficients is not zero, reconstructing residual signals from the transform coefficients and reconstructing the current block based on the prediction information and the reconstructed residual signals.
摘要翻译：视频解码方法包括：对表示当前要解码的块是否为跳过块的跳过信息进行解码; 当跳过信息指示当前块是跳过块时，解码当前块的运动信息，确定当前块的运动矢量，并且从预测块直接重建当前块，而不解码关于当前块的剩余信号的信息当前块并且当所述跳过信息指示当前块不是所述跳过块时，当从所述比特流解码所述当前块的预测信息时，解码关于量化参数的信息以及对应于当前块的变换系数，当所述转换中的至少一个系数不为零，根据变换系数重构残差信号，并根据预测信息和重构残差信号重构当前块。

42. 发明申请

US20140133564A1 ENCODING/DECODING APPARATUS AND METHOD USING FLEXIBLE DEBLOCKING FILTERING 有权
标题翻译：编码/解码设备和使用灵活去阻塞滤波的方法
公开(公告)号：US20140133564A1
公开(公告)日：2014-05-15
申请号：US14159736
申请日：2014-01-21
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon LIM , Joong Gunn Park , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jongki Han , Yung Youp Yang
IPC分类号： H04N19/563 , H04N19/50
CPC分类号： H04N19/14 , H04N19/117 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/60 , H04N19/86
摘要： A video decoding method includes decoding a bitstream including generating a quantized frequency transform block from the bitstream, reconstructing a residual block by inversely quantizing and inversely transforming the quantized frequency transform block, generating a prediction block by predicting a current block to be reconstructed, reconstructing the current block by adding the generated prediction block to the reconstructed residual block and performing a deblocking filtering with respect to a boundary between subblocks within a frame including the reconstructed current block, by allowing numbers of filtered pixels in a first block of the subblocks and a second block of the subblocks that engage in the filtering to be different depending on one or more predetermined criterion.
摘要翻译：一种视频解码方法，包括从比特流中生成量化频率变换块的比特流解码，通过对量化的频率变换块进行逆量化和逆变换来重构残差块，通过预测要重构的当前块来生成预测块，通过将生成的预测块添加到重建的残余块中并通过允许子块的第一块中的滤波像素的数目和相对于包括重建的当前块的帧中的子块之间的边界执行去块滤波，参与过滤的子块的块根据一个或多个预定标准而不同。

43. 发明申请

US20130294518A1 METHOD AND DEVICE FOR ENCODING/DECODING MOTION VECTOR 有权
标题翻译：用于编码/解码运动矢量的方法和装置
公开(公告)号：US20130294518A1
公开(公告)日：2013-11-07
申请号：US13942081
申请日：2013-07-15
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon LIM , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Juock Lee , Hyoungmee Park
IPC分类号： H04N7/26
CPC分类号： H04N19/513 , H04N19/46 , H04N19/52 , H04N19/523 , H04N19/91
摘要： A method performed by a motion vector encoding apparatus for encoding a motion vector includes: determining a first motion vector and a second motion vector relating to a current block to be encoded; determining predicted motion vectors of the first motion vector and the second motion vector, respectively; calculating a first differential motion vector and a second differential motion vector; the first differential motion vector corresponding to a difference between the first motion vector and the predicted motion vector of the first motion vector, the second differential motion vector corresponding to a difference between the second motion vector and the predicted motion vector of the second motion vector; and encoding the first differential motion vector and the second differential motion vector, wherein the first motion vector and the second motion vector have different resolutions.
摘要翻译：由用于对运动矢量进行编码的运动矢量编码装置执行的方法包括：确定与要编码的当前块相关的第一运动矢量和第二运动矢量; 分别确定第一运动矢量和第二运动矢量的预测运动矢量; 计算第一微分运动矢量和第二微分运动矢量; 所述第一差分运动矢量对应于所述第一运动矢量与所述第一运动矢量的预测运动矢量之间的差，所述第二运动矢量对应于所述第二运动矢量与所述第二运动矢量的预测运动矢量之间的差; 以及对所述第一差分运动矢量和所述第二差分运动矢量进行编码，其中所述第一运动矢量和所述第二运动矢量具有不同的分辨率。

44. 发明申请

US20130272419A1 METHOD AND APPARATUS FOR GENERATING ENCODED MOTION INFORMATION/RECOVERING MOTION INFORMATION USING MOTION INFORMATION INTEGRATION, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME 有权
标题翻译：用于生成编码运动信息的方法和装置/使用运动信息整合恢复运动信息，以及使用相同的图像编码/解码方法和装置
公开(公告)号：US20130272419A1
公开(公告)日：2013-10-17
申请号：US13914910
申请日：2013-06-11
申请人： SK TELECOM CO., LTD.
发明人： Jinhan SONG , Jeongyeon Lim , Haekwang Kim , Joohee Moon , Yunglyul Lee , Jongki Han , Byeungwoo Jeon
IPC分类号： H04N7/50
CPC分类号： H04N19/176 , H04N19/124 , H04N19/44 , H04N19/503 , H04N19/513 , H04N19/52 , H04N19/61 , H04N19/615
摘要： A video encoding apparatus, a video decoding apparatus and a method for generating coded motion information before reconstructing by using motion information merge, the video encoding apparatus includes an inter prediction unit configured to generate a prediction block of a current block by using motion compensation, decide whether to encode motion information by merging and generate coded motion information of the current block depending on the decision; a subtraction unit configured to generate a residual block by subtracting the prediction block generated from the current block; a transform and quantization unit configured to transform and quantize the residual block to thereby generate a quantized frequency residual block; and an encoding unit configured to encode the quantized frequency residual block and the coded motion information to thereby generate a bitstream.
摘要翻译：视频编码装置，视频解码装置和用于通过使用运动信息合并在重构之前产生编码运动信息的方法，所述视频编码装置包括：帧间预测单元，被配置为通过使用运动补偿生成当前块的预测块，是否通过合并编码运动信息，并根据决定生成当前块的编码运动信息; 减法单元，被配置为通过减去从当前块产生的预测块来生成残差块; 变换和量化单元，被配置为对残差块进行变换和量化，从而生成量化频率残差块; 以及编码单元，被配置为对量化的频率残差块和编码的运动信息进行编码，从而生成比特流。

45. 发明授权

US10939119B2 Method and apparatus for encoding and decoding video using skip mode 有权
公开(公告)号：US10939119B2
公开(公告)日：2021-03-02
申请号：US14273957
申请日：2014-05-09
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joong Gunn Park , Byeungwoo Jeon , Haekwang Kim , Joohee Moon , Yunglyul Lee , Jongki Han , Jung Youp Yang , Jaehwan Kim , Kwanghyun Won , Hoyoung Lee
IPC分类号： H04N19/139 , H04N19/61 , H04N19/503 , H04N19/52 , H04N19/176 , H04N19/109 , H04N19/147
摘要： A video encoding apparatus includes: an inter prediction unit to determine a motion parameter of a current block and generate a predicted block of the current block, by performing a motion estimation on the current block; and an optimal mode determining unit to set a prediction mode of the current block as a SKIP mode when (i) the motion parameter of the current block is identical to a motion parameter of a candidate block among a plurality of candidate blocks and (ii) all-zero coefficients result from a transform and a quantization performed on a residual data block representing the difference between the current block and the predicted block.

46. 发明授权

US10477216B2 Encoding/decoding apparatus and method using flexible deblocking filtering 有权
公开(公告)号：US10477216B2
公开(公告)日：2019-11-12
申请号：US16054195
申请日：2018-08-03
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joong Gunn Park , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jongki Han , Jung Youp Yang
IPC分类号： H04N19/14 , H04N19/60 , H04N19/44 , H04N19/182 , H04N19/176 , H04N19/86 , H04N19/117 , H04N19/172
摘要： A video decoding method performed by a video decoding apparatus includes: generating a quantized frequency transform block by decoding a bitstream; reconstructing a residual block by inversely quantizing and inversely transforming the quantized frequency transform block; generating a prediction block corresponding to a current block; reconstructing the current block by adding the generated prediction block to the reconstructed residual block; and performing a deblocking filtering with respect to a boundary between subblocks within a frame including the reconstructed current block, by allowing numbers of filtered pixels in a first block of the subblocks and a second block of the subblocks that engage in the filtering to be different depending on one or more predetermined criterion.

47. 发明授权

US10158880B2 Method and apparatus for encoding/decoding video using high-precision filter 有权
公开(公告)号：US10158880B2
公开(公告)日：2018-12-18
申请号：US15371215
申请日：2016-12-07
申请人： SK TELECOM CO., LTD.
发明人： Jinhan Song , Jeongyeon Lim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Jeong Pil Kim , Daeyeon Kim
IPC分类号： H04N19/523 , H04N19/126 , H04N19/176 , H04N19/182 , H04N19/184 , H04N19/124 , H04N19/513 , H04N19/70 , H04N19/80 , H04N19/105 , H04N19/159 , H04N19/61 , H04N19/172 , H04N19/186
摘要： A video decoding apparatus for inter-predicting a current block to be decoded, includes: a decoder to extract motion information on the current block from a bitstream; and a predictor to determine a motion vector of the current block based on the extracted motion information, and generate a prediction block based on interpolating chroma sub-samples of a reference block in a reference frame referenced by the motion vector of the current block.

48. 发明授权

US10116942B2 Method and apparatus for decoding a video using an intra prediction 有权
公开(公告)号：US10116942B2
公开(公告)日：2018-10-30
申请号：US15966597
申请日：2018-04-30
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Ryeonghee Kwon
IPC分类号： H04N19/14 , H04N19/46 , H04N19/103 , H04N19/147 , H04N19/159 , H04N19/176 , H04N19/182
摘要： A video decoding apparatus using an intra-prediction, performs a method including: reconstructing information on an intra-prediction mode of a current block to be decoded from a bitstream, wherein the current block is a square block; reconstructing transform block information from the bitstream and reconstructing transform coefficients corresponding to each of one or more transform blocks divided in a quad tree structure from the current block; and reconstructing the current block based on the information on the intra-prediction mode and the reconstructed transform coefficients of the transform blocks.

49. 发明授权

US10038900B2 Method and apparatus for effective encoding/decoding using detailed predictive unit 有权
公开(公告)号：US10038900B2
公开(公告)日：2018-07-31
申请号：US15477637
申请日：2017-04-03
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joong Gunn Park , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Ryeonghee Kwon
IPC分类号： H04N19/103 , H04N19/157 , H04N19/52 , H04N19/61 , H04N5/14 , H04N19/70 , H04N19/119 , H04N19/105
CPC分类号： H04N19/103 , G06T9/004 , H04N1/417 , H04N5/145 , H04N19/119 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/19 , H04N19/513 , H04N19/52 , H04N19/61 , H04N19/70 , H04N19/96
摘要： An apparatus for encoding images includes: a predictor to determine a prediction unit (PU) mode among a plurality of PU modes indicating types of partition of a current coding unit (CU) into one or more prediction units (PUs), and generate a predicted block of the current CU by performing an intra prediction or an inter prediction for each PU of the determined PU mode, wherein a size of the current CU is 2N×N, and the plurality of PU modes includes 2N×hN or hN×N PU mode in which the current CU is partitioned into PUs respectively having a size of 2N×hN or hN×N, h being a fractional number smaller than 1; a subtractor to subtract the predicted block from the current CU to generate a residual block; a transformer to transform the residual block into a frequency domain to generate a frequency one or more transform blocks.

50. 发明授权

US09967587B2 Apparatus and method for encoding/decoding images 有权
公开(公告)号：US09967587B2
公开(公告)日：2018-05-08
申请号：US14752108
申请日：2015-06-26
申请人： SK TELECOM CO., LTD.
发明人： Jinhan Song , Jeongyeon Lim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Hyoungmee Park , Juock Lee
IPC分类号： H04N19/96 , H04N19/513 , H04N19/119 , H04N19/109 , H04N19/463 , H04N19/176 , H04N19/139 , H04N19/186 , H04N19/52
CPC分类号： H04N19/513 , H04N19/109 , H04N19/119 , H04N19/139 , H04N19/176 , H04N19/186 , H04N19/463 , H04N19/52 , H04N19/96
摘要： A method performed by a video decoding apparatus, includes: identifying a current block to be decoded by dividing a maximum size block; decoding, from a bitstream, block mode information indicating whether a block mode of the current block to be decoded is a skip mode; when the block mode information indicates that the block mode of the current block is the skip mode, decoding, from the bitstream, a skip motion information of the current block and determining a motion vector of the current block based on the skip motion information, predicting the current block using the determined motion vector current block, and reconstructing the current block directly from the predicted block, without decoding information on residual signals of the current block from the bitstream.

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