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51. 发明授权

US09648340B2 Method and device for encoding/decoding motion vector 有权
公开(公告)号：US09648340B2
公开(公告)日：2017-05-09
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 , H04N7/12 , H04B1/66 , H04N19/513 , H04N19/52 , H04N19/46 , H04N19/523 , H04N19/91
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.

52. 发明授权

US09609335B2 Method and apparatus for encoding/decoding image using variable-size macroblocks 有权
公开(公告)号：US09609335B2
公开(公告)日：2017-03-28
申请号：US14745181
申请日：2015-06-19
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Sunyeon Kim , Byeungwoo Jeon , Jongki Han , Hyoungmee Park , Mincheol Park , Dongwon Kim , Kibaek Kim , Juock Lee
IPC分类号： H04N19/159 , H04N19/176 , H04N19/119 , H04N19/15 , H04N19/107 , H04N19/463 , H04N19/105 , H04N19/61 , H04N19/96 , H04N19/172
CPC分类号： H04N19/159 , H04N19/105 , H04N19/107 , H04N19/119 , H04N19/15 , H04N19/172 , H04N19/176 , H04N19/463 , H04N19/61 , H04N19/96
摘要： A video decoding apparatus for reconstructing residual signals of a current block to be decoded by using a tree structure, includes: a decoder to decode, from a bitstream, prediction type information on the current block to be decoded, and divide, by the tree structure, the current block into one or more subblocks of which information on residual signals is to be reconstructed, by decoding, from the bitstream, a partition flag which indicates whether a block corresponding thereto is divided into blocks of a lower layer in the tree structure, wherein blocks which are not further divided are identified as the subblocks of which information on the residual signals is to be reconstructed; and a reconstructor to reconstruct information on residual signals of each of the subblocks from the bitstream.

53. 发明授权

US09571852B2 Method and apparatus for video encoding/decoding using improved merge 有权
标题翻译：使用改进合并的视频编码/解码方法和装置
公开(公告)号：US09571852B2
公开(公告)日：2017-02-14
申请号：US15168093
申请日：2016-05-30
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joong Gunn Park , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Sungwon Lim , Juock Lee
IPC分类号： H04N19/00 , H04N19/52 , H04N19/577 , H04N19/56 , H04N19/176 , H04N19/13
CPC分类号： H04N19/52 , H04N19/13 , H04N19/176 , H04N19/56 , H04N19/577
摘要： A video encoding method includes: when an inter prediction mode corresponds to a merge mode, checking for whether predetermined candidate adding conditions are satisfied; adding into a merge candidate set including merge candidates corresponding to neighboring blocks of a current block, a combined bi-predictive motion parameter, the combined bi-predictive motion parameter generated by combining a list 0 motion parameter of a first available candidate block and a list 1 motion parameter of a second available candidate block, when the predetermined candidate adding conditions are satisfied; and predicting the current block in the merge mode by using a motion parameter corresponding to a merge candidate selected from the merge candidate set, to generate a predicted block for the current block, wherein the merge candidate set corresponds to a maximum number of the merge candidates, the maximum number of the merge candidates corresponding to information on the number of the merge candidates.
摘要翻译：视频编码方法包括：当帧间预测模式对应于合并模式时，检查是否满足预定的候选添加条件; 将包括与当前块的相邻块相对应的合并候选的合并候选集合添加到组合双预测运动参数中，通过组合第一可用候选块的列表0运动参数和列表来组合的组合双预测运动参数 1运动参数，当满足预定的候选添加条件时; 以及通过使用与从所述合并候选集合中选择的合并候选对应的运动参数来预测所述合并模式中的当前块，以生成所述当前块的预测块，其中所述合并候选集对应于所述合并候选的最大数目对应于关于合并候选人数的信息的合并候选的最大数量。

54. 发明授权

US09560379B2 Inter-prediction method and video encoding/decoding method using the inter-prediction method 有权
标题翻译：使用帧间预测方法的帧间预测方法和视频编码/解码方法
公开(公告)号：US09560379B2
公开(公告)日：2017-01-31
申请号：US14688062
申请日：2015-04-16
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 , Daeyeon Kim
IPC分类号： H04N7/12 , H04N19/577 , H04N19/433 , H04N19/573 , H04N19/58
CPC分类号： H04N19/577 , H04N19/105 , H04N19/172 , H04N19/423 , H04N19/433 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/573 , H04N19/58
摘要： A video encoding method using inter-prediction, includes: encoding a first picture, wherein the first picture serves as a random access picture and is encoded without referring to a reference picture which has already encoded and then decoded; inter-prediction encoding a block included in a second picture, which is encoded after the first picture and displayed before the first picture, by using a plurality of reference pictures; generating reference picture information representing one or more past pictures which are encoded before the first picture and are used as reference pictures for encoding the second picture; and transmitting the encoded first picture and the encoded second pictures and the reference picture information, wherein, when the one or more past pictures are used as the reference pictures for encoding the second picture, the one or more past pictures are deleted from a memory after encoding at least the second picture.
摘要翻译：一种使用帧间预测的视频编码方法包括：对第一图像进行编码，其中第一图像用作随机接入图像，并且在不参考已经编码然后被解码的参考图像的情况下进行编码; 通过使用多个参考图片来对包含在第二图像中的包含在第一图像之后并在第一图像之前显示的块进行帧间预测编码; 产生表示在第一图像之前编码的一个或多个过去图像并被用作用于对第二图像进行编码的参考图像的参考图像信息; 并且发送编码的第一图像和编码的第二图像和参考图像信息，其中当使用一个或多个过去图像作为用于编码第二图像的参考图像时，从存储器中删除一个或多个过去图像至少编码第二张照片。

55. 发明授权

US09491483B2 Inter-prediction method and video encoding/decoding method using the inter-prediction method 有权
标题翻译：使用帧间预测方法的帧间预测方法和视频编码/解码方法
公开(公告)号：US09491483B2
公开(公告)日：2016-11-08
申请号：US14688461
申请日：2015-04-16
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 , Daeyeon Kim
IPC分类号： H04N7/12 , H04N19/577 , H04N19/433 , H04N19/573 , H04N19/58
CPC分类号： H04N19/577 , H04N19/172 , H04N19/433 , H04N19/503 , H04N19/573 , H04N19/58
摘要： A video encoding method using inter-prediction, includes: encoding information indicating whether a first picture is a picture which allows a second picture preceding the first picture in a display order to refer to at least one picture encoded before the first picture, wherein the first picture serves as a random access picture; encoding the first picture without referring to a reference picture which has already encoded; and when the first picture is a picture which allows the second picture to refer to the at least one picture encoded before the first picture, inter-prediction encoding, after encoding the first picture, the second picture by using at least one reference picture encoded before the first picture, and encoding reference picture information used for encoding the second picture, wherein the at least one reference picture encoded before the first picture is not deleted from a memory until the second picture are encoded.
摘要翻译：一种使用帧间预测的视频编码方法包括：编码信息，指示第一画面是否是允许在显示顺序中的第一画面之前的第二画面参照在第一画面之前编码的至少一幅画面的画面，其中，第一画面图片用作随机存取图片; 编码第一图片而不参考已经编码的参考图片; 并且当第一图像是允许第二图像参考在第一图像之前编码的至少一个图像的图像时，在对第一图像进行编码之后的预测编码之后，使用至少一个在之前编码的参考图像第一图像和用于编码第二图像的编码参考图像信息，其中在第一图像之前编码的至少一个参考图像不被从存储器中删除直到第二图像被编码。

56. 发明授权

US09479791B2 Image-filtering method and apparatus, and encoding/decoding method and apparatus using same 有权
标题翻译：图像滤波方法和装置，以及使用其的编码/解码方法和装置
公开(公告)号：US09479791B2
公开(公告)日：2016-10-25
申请号：US14693813
申请日：2015-04-22
申请人： SK TELECOM CO., LTD.
发明人： Jinhan Song , Jeongyeon Lim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Daeyeon Kim , Sungwook Hong
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04N19/44 , H04N19/86 , H04N19/61 , H04N19/80 , H04N19/176 , H04N19/117 , H04N19/157 , H04N19/82
CPC分类号： H04N19/117 , H04N19/107 , H04N19/119 , H04N19/12 , H04N19/136 , H04N19/157 , H04N19/176 , H04N19/44 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/86 , H04N19/865
摘要： The present disclosure provides a video decoding apparatus including a decoder configured to decode, from encoded data, transform information for identifying one or more transform blocks, wherein a residual block of a current block to be decoded is comprised of the transform blocks, and reconstruct, from the encoded data, transform coefficients of each of the transform blocks identified by the transform information, an inverse transformer configured to reconstruct the residual block by inversely transforming the transform coefficients in units of a size of each of the transform block, a predictor configured to generate a predicted block by predicting the current block, an adder configured to reconstruct the current block by adding the residual block to the predicted block, and a filter configured to perform deblocking-filtering on at least part of transform boundaries between the transform blocks in the reconstructed current block.
摘要翻译：本公开提供了一种视频解码装置，包括：解码器，被配置为从编码数据解码用于识别一个或多个变换块的变换信息，其中待解码的当前块的残余块由变换块组成，根据编码数据，由变换信息识别的每个变换块的变换系数，经配置以通过以变换块中的每一个的大小为单位逆变换变换系数来重建残差块的逆变换器，被配置为通过预测当前块生成预测块，加法器，被配置为通过将残差块加到预测块中来重建当前块，以及被配置为对所述块中的变换块之间的变换边界的至少一部分进行去块滤波重建电流块。

57. 发明授权

US09402084B2 Method and apparatus for video encoding/decoding using improved merge 有权
标题翻译：使用改进合并的视频编码/解码方法和装置
公开(公告)号：US09402084B2
公开(公告)日：2016-07-26
申请号：US14289217
申请日：2014-05-28
申请人： SK TELECOM CO., LTD.
发明人： Jeongyeon Lim , Joong Gunn Park , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Sungwon Lim , Juock Lee
IPC分类号： H04N19/00 , H04N19/52 , H04N19/577 , H04N19/56 , H04N19/176
CPC分类号： H04N19/52 , H04N19/13 , H04N19/176 , H04N19/56 , H04N19/577
摘要： A video encoding apparatus includes an inter predictor to check for availability of merge candidates configured from neighboring blocks of a current block, add into a merge candidate set, as one of the merge candidates, a combined bi-predictive motion parameter with respect to an unavailable block, the combined bi-predictive motion parameter generated by combining a list 0 motion parameter of a first available andidate block and a list 1 motion parameter of a second available candidate block, when the unavailable block is checked to be present among the merge candidates, and predict the current block by using a motion parameter corresponding to a merge candidate selected from the merge candidates including the combined bi-predictive motion parameter, to thereby generate a predicted block for the current block.
摘要翻译：一种视频编码装置包括一个帧间预测器，用于检查从当前块的相邻块配置的合并候选的可用性，将作为合并候选之一的合并候选集添加到关于不可用的组合双预测运动参数通过组合第一可用依赖块的列表0运动参数和第二可用候选块的列表1运动参数而生成的组合双预测运动参数，当检查合并候选中存在不可用块时，并且通过使用从包括组合的双预测运动参数的合并候选中选择的合并候选的运动参数来预测当前块，从而生成当前块的预测块。

58. 发明授权

US09351008B2 Encoding / decoding method and apparatus using a tree structure 有权
标题翻译：使用树结构的编码/解码方法和装置
公开(公告)号：US09351008B2
公开(公告)日：2016-05-24
申请号：US14607995
申请日：2015-01-28
申请人： SK TELECOM CO., LTD.
发明人： Sunyeon Kim , Jeongyeon Lim , Jaehoon Choi , Gyumin Lee , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Dongwon Kim
IPC分类号： G06K9/36 , G06K9/46 , H04N19/176 , H04N19/61 , H04N19/96 , H04N19/463 , H04N19/00 , H04N19/44 , H04N19/85 , H04N19/105 , H04N19/119 , H04N19/146 , H04N19/46 , H04N19/60
CPC分类号： H04N19/176 , H04N19/00 , H04N19/105 , H04N19/119 , H04N19/146 , H04N19/44 , H04N19/46 , H04N19/463 , H04N19/60 , H04N19/61 , H04N19/85 , H04N19/96
摘要： An apparatus for encoding image information using a tree structure performs a method by: encoding a partition flag indicating whether each node, starting from a node of an uppermost layer of the tree structure, is divided into nodes of a lower layer; encoding image information of a block corresponding to a node which is not further divided; and encoding additional information including first information on a minimum block size and second information on a difference between the minimum block size and a maximum block size, wherein the first and second information are used for identifying the maximum block size corresponding to the node of the uppermost layer.
摘要翻译：使用树结构对图像信息进行编码的装置执行以下方法：编码指示从树结构的最上层的节点开始的每个节点是否被划分为下层的节点的分区标志; 编码与不进一步分割的节点相对应的块的图像信息; 以及编码附加信息，包括关于最小块大小的第一信息和关于最小块大小和最大块大小之间的差的第二信息，其中第一和第二信息用于识别对应于最上层节点的最大块大小层。

59. 发明授权

US09344731B2 Image encoding and decoding apparatus and method 有权
标题翻译：图像编解码装置及方法
公开(公告)号：US09344731B2
公开(公告)日：2016-05-17
申请号：US14808916
申请日：2015-07-24
申请人： SK TELECOM CO., LTD.
发明人： Jinhan Song , Sunyeon Kim , Jeongyeon Lim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Hyoungmee Park , Mincheol Park , Dongwon Kim , Kibaek Kim , Juock Lee
IPC分类号： H04N19/61 , H04N19/167 , H04N19/124 , H04N19/107 , H04N19/18 , H04N19/172 , H04N19/176 , H04N19/46 , H04N19/109 , H04N19/55
CPC分类号： H04N19/167 , H04N19/107 , H04N19/109 , H04N19/124 , H04N19/172 , H04N19/176 , H04N19/18 , H04N19/46 , H04N19/55 , H04N19/61
摘要： An apparatus of decoding a video in the unit of blocks, includes: a size setting unit to decode information on a picture size of the video and information on available block sizes from a bitstream, set an initial size of a current block to be decoded to a largest block size determined by the information on the available block sizes, determine a location of the current block within a picture, identify whether the current block is fully located inside the picture, based on the picture size, the size of the current block and the location of the current block, and reset the size of the current block to a smaller size among the available block sizes, when the current block is not fully located inside the picture; and a decoding unit to decode the current block in the reset size.
摘要翻译：以块为单位解码视频的装置包括：尺寸设置单元，用于从比特流解码关于视频的图像尺寸的信息和关于可用块大小的信息，将要解码的当前块的初始大小设置为由可用块大小的信息确定的最大块大小确定图像内的当前块的位置，基于图像大小，当前块的大小，识别当前块是否完全位于图像内部;以及当前块的位置，并且当当前块不完全位于图像内部时，将当前块的大小重置为可用块大小之间的较小尺寸; 以及解码单元，用于对复位大小中的当前块进行解码。

60. 发明申请

US20150208068A1 ENCODING/DECODING METHOD AND APPARATUS USING A TREE STRUCTURE 有权
标题翻译：编码/解码方法和使用树结构的设备
公开(公告)号：US20150208068A1
公开(公告)日：2015-07-23
申请号：US14608551
申请日：2015-01-29
申请人： SK TELECOM CO., LTD.
发明人： Sunyeon KIM , Jeongyeon Lim , Jaehoon Choi , Gyumin Lee , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Jongki Han , Dongwon Kim
IPC分类号： H04N19/119 , H04N19/176 , H04N19/105 , H04N19/146
CPC分类号： H04N19/176 , H04N19/00 , H04N19/105 , H04N19/119 , H04N19/146 , H04N19/44 , H04N19/46 , H04N19/463 , H04N19/60 , H04N19/61 , H04N19/85 , H04N19/96
摘要： A method for reconstructing image information divided by a tree structure from a bitstream, includes: decoding the bitstream to reconstruct additional information, the additional information including first information on a minimum block size and second information on a difference between the minimum block size and a maximum block size, wherein the difference between the minimum block size and the maximum block size is a value of a log scale; reconstructing a partition flag indicating whether or not each node, starting from a node of an uppermost layer of the tree structure, is divided into nodes of a lower layer, the node of the uppermost layer identified based on the first and second information; and reconstructing image information of a block corresponding to a node which is not further divided.
摘要翻译：一种用于从比特流重建由树结构分割的图像信息的方法，包括：对比特流进行解码以重构附加信息，附加信息包括关于最小块大小的第一信息和关于最小块大小和最大块大小之间的差的第二信息块大小，其中最小块大小和最大块大小之间的差是对数标度的值; 重建分配标志，指示从树结构的最上层的节点开始的每个节点是否被划分为下层的节点，基于第一和第二信息确定的最上层的节点; 以及重建与不进一步划分的节点相对应的块的图像信息。

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