公开(公告)号：US20200007869A1

公开(公告)日：2020-01-02

申请号：US16459940

申请日：2019-07-02

Applicant: GE Video Compression, LLC

Inventor： 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: H04N19/159 ,  H04N19/117 ,  H04N19/136 ,  H04N19/176

Abstract: A scalable video decoder is described which is configured to reconstruct a base layer signal from a coded data stream to obtain a reconstructed base layer signal; and reconstruct an enhancement layer signal including spatially or temporally predicting a portion of an enhancement layer signal, currently to be reconstructed, from an already reconstructed portion of the enhancement layer signal to obtain an enhancement layer internal prediction signal; forming, at the portion currently to be reconstructed, a weighted average of an inter-layer prediction signal obtained from the reconstructed base layer signal, and the enhancement layer internal prediction signal to obtain an enhancement layer prediction signal such that a weighting between the inter-layer prediction signal and the enhancement layer internal prediction signal varies over different spatial frequency components; and predictively reconstructing the enhancement layer signal using the enhancement layer prediction signal.

公开(公告)号：US20190197579A1

公开(公告)日：2019-06-27

申请号：US16268136

申请日：2019-02-05

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Philipp HELLE ,  Simon OUDIN ,  Martin WINKEN ,  Detlev MARPE ,  Thomas WIEGAND

IPC: G06Q30/02 ,  G06F16/00 ,  H04N19/147 ,  H04N19/105 ,  H04N19/186 ,  H04N19/14 ,  H04N19/463 ,  H04N19/96 ,  H04N19/61 ,  H04N19/196 ,  H04N19/46 ,  H04N19/119 ,  H04N19/176 ,  H04N19/139 ,  H04N19/52 ,  G06Q30/06

Abstract: A favorable merging or grouping of simply connected regions into which the array of information samples is sub-divided, is coded with a reduced amount of data. To this end, a predetermined relative locational relationship is defined enabling an identifying, for a predetermined simply connected region, of simply connected regions within the plurality of simply connected regions which have the predetermined relative locational relationship to the predetermined simply connected region. Namely, if the number is zero, a merge indicator for the predetermined simply connected region may be absent within the data stream. In other embodiments, spatial sub-division is performed depending on a first subset of syntax elements, followed by combining spatially neighboring simply connected regions depending on a second subset of syntax elements, to obtain an intermediate sub-division.

公开(公告)号：US20190116360A1

公开(公告)日：2019-04-18

申请号：US16180292

申请日：2018-11-05

Applicant: GE Video Compression, LLC

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

Abstract: The coding efficiency of scalable video coding is increased by substituting missing spatial intra prediction parameter candidates in a spatial neighborhood of a current block of the enhancement layer by use of intra prediction parameters of a co-located block of the base layer signal. By this measure, the coding efficiency for coding the spatial intra prediction parameters is increased due to the improved prediction quality of the set of intra prediction parameters of the enhancement layer, or, more precisely stated, the increased likelihood, that appropriate predictors for the intra prediction parameters for an intra predicted block of the enhancement layer are available thereby increasing the likelihood that the signaling of the intra prediction parameter of the respective enhancement layer block may be performed, on average, with less bits.

公开(公告)号：US20190037245A1

公开(公告)日：2019-01-31

申请号：US16148417

申请日：2018-10-01

Applicant: GE VIDEO COMPRESSION, LLC

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

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

Abstract: 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：US20180310030A1

公开(公告)日：2018-10-25

申请号：US16017453

申请日：2018-06-25

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Philipp HELLE ,  Detlev MARPE ,  Simon OUDIN ,  Thomas WEGAND

IPC: H04N19/96 ,  H04N19/513 ,  H04N19/52 ,  H04N19/42 ,  H04N19/124 ,  H04N19/129 ,  H04N19/463 ,  H04N19/593 ,  H04N19/44 ,  H04N19/30 ,  H04N19/70 ,  H04N19/159 ,  H04N19/176 ,  H04N19/53 ,  H04N19/13

Abstract: A better compromise between encoding complexity and achievable rate distortion ratio, and/or to achieve a better rate distortion ratio is achieved by using multitree sub-divisioning not only in order to subdivide a continuous area, namely the sample array, into leaf regions, but using the intermediate regions also to share coding parameters among the corresponding collocated leaf blocks. By this measure, coding procedures performed in tiles—leaf regions—locally, may be associated with coding parameters individually without having to, however, explicitly transmit the whole coding parameters for each leaf region separately. Rather, similarities may effectively exploited by using the multitree subdivision.

公开(公告)号：US20180218397A1

公开(公告)日：2018-08-02

申请号：US15940839

申请日：2018-03-29

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Philipp HELLE ,  Simon OUDIN ,  Martin WINKEN ,  Detlev MARPE ,  Thomas WIEGAND

IPC: G06Q30/02 ,  G06Q30/06 ,  G06F17/30 ,  G06Q10/00 ,  G06Q30/00

CPC classification number: G06Q30/0251 ,  G06F17/30 ,  G06Q10/00 ,  G06Q30/00 ,  G06Q30/02 ,  G06Q30/0601 ,  H04N19/105 ,  H04N19/119 ,  H04N19/139 ,  H04N19/14 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/196 ,  H04N19/197 ,  H04N19/46 ,  H04N19/463 ,  H04N19/52 ,  H04N19/61 ,  H04N19/96

Abstract: A favorable merging or grouping of simply connected regions into which the array of information samples is sub-divided, is coded with a reduced amount of data. To this end, a predetermined relative locational relationship is defined enabling an identifying, for a predetermined simply connected region, of simply connected regions within the plurality of simply connected regions which have the predetermined relative locational relationship to the predetermined simply connected region. Namely, if the number is zero, a merge indicator for the predetermined simply connected region may be absent within the data stream. In other embodiments, spatial sub-division is performed depending on a first subset of syntax elements, followed by combining spatially neighboring simply connected regions depending on a second subset of syntax elements, to obtain an intermediate sub-division.

公开(公告)号：US20250097453A1

公开(公告)日：2025-03-20

申请号：US18895939

申请日：2024-09-25

Applicant: GE VIDEO COMPRESSION, LLC

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

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

Abstract: 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：US20240146954A1

公开(公告)日：2024-05-02

申请号：US18363057

申请日：2023-08-01

Applicant: GE VIDEO COMPRESSION, LLC

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

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

CPC classification number: H04N19/52 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/50 ,  H04N19/70

Abstract: 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：US20230099885A1

公开(公告)日：2023-03-30

申请号：US18052491

申请日：2022-11-03

Applicant: GE VIDEO COMPRESSION, LLC

Inventor： Philipp HELLE ,  Simon OUDIN ,  Martin WINKEN ,  Detlev MARPE ,  Thomas WIEGAND

IPC: G06Q30/02 ,  G06F16/00 ,  H04N19/105 ,  H04N19/147 ,  H04N19/196 ,  H04N19/52 ,  H04N19/139 ,  H04N19/176 ,  H04N19/119 ,  H04N19/46 ,  H04N19/61 ,  H04N19/96 ,  H04N19/463 ,  H04N19/14 ,  H04N19/186 ,  G06Q30/06

Abstract: A favorable merging or grouping of simply connected regions into which the array of information samples is sub-divided, is coded with a reduced amount of data. To this end, a predetermined relative locational relationship is defined enabling an identifying, for a predetermined simply connected region, of simply connected regions within the plurality of simply connected regions which have the predetermined relative locational relationship to the predetermined simply connected region. Namely, if the number is zero, a merge indicator for the predetermined simply connected region may be absent within the data stream. In other embodiments, spatial sub-division is preformed depending on a first subset of syntax elements, followed by combining spatially neighboring simply connected regions depending on a second subset of syntax elements, to obtain an intermediate sub-division.

公开(公告)号：US20230089318A1

公开(公告)日：2023-03-23

申请号：US18052616

申请日：2022-11-04

Applicant: GE VIDEO COMPRESSION, LLC

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

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

Abstract: 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.