公开(公告)号：US20190158871A1

公开(公告)日：2019-05-23

申请号：US16251785

申请日：2019-01-18

申请人： GE Video Compression LLC

发明人： Heiko SCHWARZ ,  Heiner KIRCHHOFFER ,  Philipp HELLE ,  Simon OUDIN ,  Jan STEGEMANN ,  Benjamin BROSS ,  Detlev MARPE ,  Thomas WIEGAND

IPC分类号： H04N19/52 ,  H04N19/184 ,  H04N19/176 ,  H04N19/50 ,  H04N19/70 ,  H04N19/172

摘要： A coding efficiency increase is achieved by using a common signalization within the bitstream with regard to activation of merging and activation of the skip mode. One possible state of one or more syntax elements within the bitstream may signalize for a current sample set of a picture that the sample set is to be merged and has no prediction residual encoded and inserted into the bitstream. A common flag may signalize whether the coding parameters associated with a current sample set are to be set according to a merge candidate or to be retrieved from the bitstream, and whether the current sample set of the picture is to be reconstructed based on a prediction signal depending on the coding parameters associated with the current sample set, without any residual data, or to be reconstructed by refining the prediction signal depending on the coding parameters associated with the current sample set by means of residual data within the bitstream.

公开(公告)号：US20190089992A1

公开(公告)日：2019-03-21

申请号：US16197232

申请日：2018-11-20

申请人： GE VIDEO COMPRESSION, LLC

发明人： Heiner KIRCHHOFFER ,  Martin WINKEN ,  Philipp HELLE ,  Detlev MARPE ,  Heiko SCHWARZ ,  Thomas WIEGAND

IPC分类号： H04N19/96 ,  H04N19/17 ,  H04N19/59 ,  H04N19/53 ,  H04N19/61 ,  H04N19/593 ,  H04N19/46 ,  H04N19/169 ,  H04N19/176 ,  H04N19/52

摘要： Coding schemes for coding a spatially sampled information signal using sub-division and coding schemes for coding a sub-division or a multitree structure are described, wherein representative embodiments relate to picture and/or video coding applications.

公开(公告)号：US20190058882A1

公开(公告)日：2019-02-21

申请号：US16140796

申请日：2018-09-25

申请人： GE Video Compression, LLC

发明人： Tobias HINZ ,  Haricharan LAKSHMAN ,  Jan STEGEMANN ,  Philipp HELLE ,  Mischa SIEKMANN ,  Karsten SUEHRING ,  Detlev MARPE ,  Heiko SCHWARZ ,  Christian BARTNIK ,  Ali Atef Ibrahim KHAIRAT ABDELHAMID ,  Heiner KIRCHHOFFER ,  Thomas WIEGAND

IPC分类号： H04N19/119 ,  H04N19/86 ,  H04N19/105 ,  H04N19/70 ,  H04N19/615 ,  H04N19/61 ,  H04N19/593 ,  H04N19/59 ,  H04N19/587 ,  H04N19/503 ,  H04N19/48 ,  H04N19/82 ,  H04N19/107 ,  H04N19/33 ,  H04N19/196 ,  H04N19/187 ,  H04N19/18 ,  H04N19/176 ,  H04N19/157 ,  H04N19/137 ,  H04N19/117 ,  H04N19/11 ,  H04N19/463

摘要： A subblock-based coding of transform coefficient blocks of the enhancement layer is rendered more efficient. To this end, the subblock subdivision of the respective transform coefficient block is controlled on the basis of the base layer residual signal or the base layer signal. In particular, by exploiting the respective base layer hint, the subblocks may be made longer along a spatial frequency axis transverse to edge extensions observable from the base layer residual signal or the base layer signal.

公开(公告)号：US20180288422A1

公开(公告)日：2018-10-04

申请号：US16000534

申请日：2018-06-05

申请人： GE Video Compression, LLC

发明人： Martin WINKEN ,  Heiner KIRCHHOFFER ,  Heiko SCHWARZ ,  Detlev MARPE ,  Thomas WIEGAND

IPC分类号： H04N19/159 ,  H04N19/186 ,  H04N19/463 ,  H04N19/103 ,  H04N19/96 ,  H04N19/61 ,  H04N19/597 ,  H04N19/46 ,  H04N19/147 ,  H04N19/119 ,  H04N19/70 ,  H04N19/176 ,  H04N19/196

摘要： A better rate distortion ratio is achieved by making interrelationships between coding parameters of different planes available for exploitation for the aim of redundancy reduction despite the additional overhead resulting from the need to signal the inter-plane prediction information to the decoder. In particular, the decision to use inter plane prediction or not may be performed for a plurality of planes individually. Additionally or alternatively, the decision may be done on a block basis considering one secondary plane.

公开(公告)号：US20180220135A1

公开(公告)日：2018-08-02

申请号：US15940584

申请日：2018-03-29

申请人： GE Video Compression, LLC

发明人： Heiner KIRCHHOFFER ,  Heiko SCHWARZ ,  Tung NGUYEN ,  Detlev MARPE ,  Thomas WIEGAND

IPC分类号： H04N19/18 ,  H04N19/59 ,  H04N19/124 ,  H04N19/139 ,  H04N19/51 ,  H04N19/91 ,  H04N19/50 ,  H04N19/61 ,  H04N19/129 ,  H04N19/13 ,  H04N19/46 ,  H04N19/70 ,  H04N19/176 ,  H04N19/136

CPC分类号： H04N19/18 ,  H04N19/124 ,  H04N19/129 ,  H04N19/13 ,  H04N19/136 ,  H04N19/139 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/51 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A higher coding efficiency for coding a significance map indicating positions of significant transform coefficients within a transform coefficient block is achieved by the scan order by which the sequentially extracted syntax elements indicating, for associated positions within the transform coefficient block, as to whether at the respective position a significant or insignificant transform coefficient is situated, are sequentially associated to the positions of the transform coefficient block, among the positions of the transform coefficient block depends on the positions of the significant transform coefficients indicated by previously associated syntax elements. Alternatively, the first-type elements may be context-adaptively entropy decoded using contexts which are individually selected for each of the syntax elements dependent on a number of significant transform coefficients in a neighborhood of the respective syntax element, indicated as being significant by any of the preceding syntax elements.

公开(公告)号：US20180019762A1

公开(公告)日：2018-01-18

申请号：US15717579

申请日：2017-09-27

申请人： GE Video Compression, LLC

发明人： Detlev MARPE ,  Tung NGUYEN ,  Heiko SCHWARZ ,  Thomas WIEGAND

IPC分类号： H03M7/00

CPC分类号： H03M7/00 ,  H03M7/40 ,  H03M7/4006 ,  H03M7/46

摘要： Decomposing a value range of the respective syntax elements into a sequence of n partitions with coding the components of z laying within the respective partitions separately with at least one by VLC coding and with at least one by PIPE or entropy coding is used to greatly increase the compression efficiency at a moderate coding overhead since the coding scheme used may be better adapted to the syntax element statistics. Accordingly, syntax elements are decomposed into a respective number n of source symbols si with i=1 . . . n, the respective number n of source symbols depending on as to which of a sequence of n partitions into which a value range of the respective syntax elements is sub-divided, a value z of the respective syntax elements falls into, so that a sum of values of the respective number of source symbols si yields z, and, if n>1, for all i=1 . . . n−1, the value of si corresponds to a range of the ith partition.

公开(公告)号：US20170134760A1

公开(公告)日：2017-05-11

申请号：US15413590

申请日：2017-01-24

申请人： GE VIDEO COMPRESSION, LLC

发明人： Heiner KIRCHHOFFER ,  Martin WINKEN ,  Philipp HELLE ,  Detlev MARPE ,  Heiko SCHWARZ ,  Thomas WIEGAND

IPC分类号： H04N19/96 ,  H04N19/176 ,  H04N19/52 ,  H04N19/169 ,  H04N19/46

CPC分类号： H04N19/96 ,  H04N19/17 ,  H04N19/176 ,  H04N19/1883 ,  H04N19/46 ,  H04N19/52 ,  H04N19/53 ,  H04N19/59 ,  H04N19/593 ,  H04N19/61

摘要： Coding schemes for coding a spatially sampled information signal using sub-division and coding schemes for coding a sub-division or a multitree structure are described, wherein representative embodiments relate to picture and/or video coding applications.

公开(公告)号：US20160308555A1

公开(公告)日：2016-10-20

申请号：US15195696

申请日：2016-06-28

申请人： GE Video Compression, LLC

发明人： Detlev MARPE ,  Tung NGUYEN ,  Heiko SCHWARZ ,  Thomas WIEGAND

IPC分类号： H03M7/40 ,  H03M7/46

CPC分类号： H03M7/00 ,  H03M7/40 ,  H03M7/4006 ,  H03M7/46

摘要： Decomposing a value range of the respective syntax elements into a sequence of n partitions with coding the components of z laying within the respective partitions separately with at least one by VLC coding and with at least one by PIPE or entropy coding is used to greatly increase the compression efficiency at a moderate coding overhead since the coding scheme used may be better adapted to the syntax element statistics. Accordingly, syntax elements are decomposed into a respective number n of source symbols si with i=1 . . . n, the respective number n of source symbols depending on as to which of a sequence of n partitions into which a value range of the respective syntax elements is sub-divided, a value z of the respective syntax elements falls into, so that a sum of values of the respective number of source symbols si yields z, and, if n>1, for all i=1 . . . n−1, the value of si corresponds to a range of the ith partition.

公开(公告)号：US20160149588A1

公开(公告)日：2016-05-26

申请号：US14980671

申请日：2015-12-28

申请人： GE Video Compression, LLC

发明人： Detlev MARPE ,  Tung NGUYEN ,  Heiko SCHWARZ ,  Thomas WIEGAND

IPC分类号： H03M7/40 ,  H03M7/46

CPC分类号： H03M7/00 ,  H03M7/40 ,  H03M7/4006 ,  H03M7/46

摘要： Decomposing a value range of the respective syntax elements into a sequence of n partitions with coding the components of z laying within the respective partitions separately with at least one by VLC coding and with at least one by PIPE or entropy coding is used to greatly increase the compression efficiency at a moderate coding overhead since the coding scheme used may be better adapted to the syntax element statistics. Accordingly, syntax elements are decomposed into a respective number n of source symbols si with i=1 . . . n, the respective number n of source symbols depending on as to which of a sequence of n partitions into which a value range of the respective syntax elements is sub-divided, a value z of the respective syntax elements falls into, so that a sum of values of the respective number of source symbols si yields z, and, if n>1, for all i=1 . . . n−1, the value of si corresponds to a range of the ith partition.

公开(公告)号：US20240089468A1

公开(公告)日：2024-03-14

申请号：US18460432

申请日：2023-09-01

申请人： GE VIDEO COMPRESSION, LLC

发明人： Philipp HELLE ,  Heiko SCHWARZ ,  Detlev MARPE ,  Thomas WIEGAND ,  Simon OUDIN ,  Benjamin BROSS

IPC分类号： H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/196 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70 ,  H04N19/93

CPC分类号： H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/196 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70 ,  H04N19/93

摘要： A further coding efficiency increase may be achieved if for a current block of a picture, for which the bit stream signals one of supported partitioning patterns, a reversal of the partitioning by block merging is avoided. In particular, if the signaled one of the supported partitioning patterns specifies a subdivision of the block into two or more further blocks, a removal of certain coding parameter candidates for all further blocks, except a first further block of the further blocks in a coding order, is performed. Particularly, those coding parameter candidates are removed from the set of coding parameter candidates for the respective further block, the coding parameters of which are the same as coding parameters associated with any of the further blocks which, when being merged with the respective further block, would result in one of the supported partitioning pattern. This avoids redundancy between partitioning coding and merging coding.