公开(公告)号：US11997273B2

公开(公告)日：2024-05-28

申请号：US18195865

申请日：2023-05-10

Applicant: ARRIS Enterprises LLC

Inventor： Seungwook Hong ,  Krit Panusopone ,  Limin Wang ,  Yue Yu

IPC: H04N19/119 ,  H04N19/107 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70

CPC classification number: H04N19/119 ,  H04N19/107 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/70 ,  H04N19/61

Abstract: A method of partitioning in video coding for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT structure that can have quadtree or binary partitioning of the root node and quadtree or binary trees branching from each of the leaf nodes. The partitioning at any depth can use asymmetric binary partitioning to split a child node represented by a leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the parent leaf node and coding the child coding units represented by final leaf nodes of the binary tree with JVET. Disclosed is a generalized method of partitioning a block, either square or rectangular, which leads to more flexible block sizes with possible higher coding efficiency.

公开(公告)号：US20240146935A1

公开(公告)日：2024-05-02

申请号：US18367912

申请日：2023-09-13

Applicant: ARRIS Enterprises LLC

Inventor： Seungwook Hong ,  Limin Wang ,  Krit Panusopone

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/11 ,  H04N19/13 ,  H04N19/147 ,  H04N19/172 ,  H04N19/174 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/513 ,  H04N19/593

CPC classification number: H04N19/139 ,  H04N19/105 ,  H04N19/11 ,  H04N19/13 ,  H04N19/147 ,  H04N19/172 ,  H04N19/174 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/521 ,  H04N19/593

Abstract: A system and method of defining a plane for planar coding in JVET in which first and second lines can be defined based upon pixels in left-adjacent and top-adjacent coding units. In some embodiments, the least squares method can be employed to define the relevant lines. One point along each of the lines can then be identified and the y-intercepts of the two lines can be averaged to obtain a third point. The three points can then be used to identify and define a plane for planar coding in JVET.

公开(公告)号：US11917166B2

公开(公告)日：2024-02-27

申请号：US18078743

申请日：2022-12-09

Applicant: ARRIS Enterprises LLC

Inventor： Yue Yu ,  Limin Wang ,  Krit Panusopone

IPC: H04N19/159 ,  H04N19/126 ,  H04N19/184 ,  H04N19/593 ,  H04N19/169 ,  G01B11/00

CPC classification number: H04N19/159 ,  G01B11/002 ,  H04N19/126 ,  H04N19/184 ,  H04N19/1883 ,  H04N19/593

Abstract: A method of decoding JVET video that includes receiving a bitstream indicating how a coding tree unit was partitioned into coding units, and parsing said bitstream to generate at least one predictor based on an intra prediction mode signaled in the bitstream, the intra prediction mode selected from a plurality of intra prediction modes for calculating a prediction pixel P[x,y] at coordinate x,y for the coding unit. A number of intra prediction modes available for coding the coding unit are reduced by replacing two or more non-weighted intra prediction modes by a weighted intra prediction mode.

公开(公告)号：US20230224456A1

公开(公告)日：2023-07-13

申请号：US18120934

申请日：2023-03-13

Applicant: ARRIS Enterprises LLC

Inventor： Krit Panusopone ,  Yue Yu ,  Seungwook Hong ,  Limin Wang

IPC: H04N19/119 ,  H04N19/96 ,  H04N19/176

CPC classification number: H04N19/119 ,  H04N19/96 ,  H04N19/176

Abstract: A method of decoding JVET video includes receiving a bitstream that includes encoded video data that includes encoded video data. From the encoded data, a horizontal predictor and a vertical predictor for a pixel in the current coding block may be interpolated. A coding block size may be identified to determine whether to use equal weight or unequal weights to apply to each of the horizontal and vertical predictors for calculating a final planar prediction value P(x,y) by comparing the coding block size to a coding block size threshold.

公开(公告)号：US20230076924A1

公开(公告)日：2023-03-09

申请号：US17985782

申请日：2022-11-11

Applicant: ARRIS Enterprises LLC

Inventor： Yue Yu ,  Krit Panusopone ,  Limin Wang

IPC: H04N19/137 ,  H04N19/174 ,  H04N19/159 ,  H04N19/105

Abstract: A method is provided for inter-coding video in which transmission bandwidth requirements associated with second motion vectors for bi-directional temporal prediction is reduced. In the method, vector information for one of motion vectors for multi-directional temporal prediction can be transmitted together with information on how to derive or construct the second motion vectors. Thus, rather than sending express information regarding each of the plurality of motion vectors, express information related to only one motion vector along with information related to reconstruction/derivation of the second motion vectors is transmitted, thus reducing bandwidth requirements and increasing coding efficiency.

公开(公告)号：US11553189B2

公开(公告)日：2023-01-10

申请号：US17475136

申请日：2021-09-14

Applicant: ARRIS Enterprises LLC

Inventor： Yue Yu ,  Limin Wang ,  Krit Panusopone

IPC: H04N19/159 ,  H04N19/184 ,  H04N19/593 ,  H04N19/126 ,  H04N19/169 ,  G01B11/00

Abstract: A method of decoding JVET video that includes receiving a bitstream indicating how a coding tree unit was partitioned into coding units, and parsing said bitstream to generate at least one predictor based on an intra prediction mode signaled in the bitstream, the intra prediction mode selected from a plurality of intra prediction modes for calculating a prediction pixel P[x,y] at coordinate x,y for the coding unit. A number of intra prediction modes available for coding the coding unit are reduced by replacing two or more non-weighted intra prediction modes by a weighted intra prediction mode.

公开(公告)号：US20220141470A1

公开(公告)日：2022-05-05

申请号：US17576691

申请日：2022-01-14

Applicant: ARRIS Enterprises LLC

Inventor： Seungwook Hong ,  Limin Wang ,  Krit Panusopone

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/147 ,  H04N19/196 ,  H04N19/11 ,  H04N19/593 ,  H04N19/46 ,  H04N19/463 ,  H04N19/13 ,  H04N19/172 ,  H04N19/174 ,  H04N19/513

Abstract: A system and method of defining a plane for planar coding in JVET in which first and second lines can be defined based upon pixels in left-adjacent and top-adjacent coding units. In some embodiments, the least squares method can be employed to define the relevant lines. One point along each of the lines can then be identified and the y-intercepts of the two lines can be averaged to obtain a third point. The three points can then be used to identify and define a plane for planar coding in JVET.

公开(公告)号：US11303906B2

公开(公告)日：2022-04-12

申请号：US17037365

申请日：2020-09-29

Applicant: ARRIS Enterprises LLC

Inventor： Krit Panusopone ,  Koohyar Minoo ,  Yue Yu ,  Limin Wang

IPC: H04N7/12 ,  H04N19/159 ,  H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/119 ,  H04N19/132 ,  H04N19/176 ,  H04N19/46 ,  H04N19/96 ,  H04N19/189 ,  H04N19/64 ,  G06T9/00 ,  G06T9/40 ,  H04N19/126 ,  H04N19/184 ,  H04N19/169

Abstract: A method of decoding JVET video, comprising receiving a bitstream indicating how a coding tree unit was partitioned into coding units according to a partitioning structure that allows nodes to be split according to a partitioning technique. An intra direction mode for a coding unit may be selected, as well as one or more of the plurality of reference lines to generate at least one predictor for the intra direction mode. A predictor may be generated from reference samples within each selected reference line by combining predicted pixel values based on a projected position on a main reference line in combination with predicted pixel values based on a projected position on a side reference line. The predicted pixel values are weighted according to a weight parameter, wherein the weight parameter is determined based on a shift conversion factor.

公开(公告)号：US20210409777A1

公开(公告)日：2021-12-30

申请号：US17470992

申请日：2021-09-09

Applicant: ARRIS Enterprises LLC

Inventor： Krit Panusopone ,  Limin Wang

IPC: H04N19/64 ,  H04N19/176 ,  H04N19/172 ,  H04N19/70 ,  H04N19/119 ,  H04N19/46 ,  H04N19/124 ,  H04N19/13 ,  H04N19/503 ,  H04N19/593

Abstract: A method of partitioning a video coding block for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT) structure that can have a quadtree branching from the root node and binary trees branching from each of the quadtree's leaf nodes using asymmetric binary partitioning to split a coding unit represented by a quadtree leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the quadtree leaf node and coding the child coding units represented by leaf nodes of the binary tree with JVET, wherein further partitioning of child coding units split from quadtree leaf nodes via asymmetric binary partitioning is disallowed.

公开(公告)号：US20210409773A1

公开(公告)日：2021-12-30

申请号：US17470844

申请日：2021-09-09

Applicant: ARRIS Enterprises LLC

Inventor： Krit Panusopone ,  Limin Wang

IPC: H04N19/64 ,  H04N19/176 ,  H04N19/172 ,  H04N19/70 ,  H04N19/119 ,  H04N19/46 ,  H04N19/124 ,  H04N19/13 ,  H04N19/503 ,  H04N19/593

Abstract: A method of partitioning a video coding block for JVET, comprising representing a JVET coding tree unit as a root node in a quadtree plus binary tree (QTBT) structure that can have a quadtree branching from the root node and binary trees branching from each of the quadtree's leaf nodes using asymmetric binary partitioning to split a coding unit represented by a quadtree leaf node into two child coding units of unequal size, representing the two child coding units as leaf nodes in a binary tree branching from the quadtree leaf node and coding the child coding units represented by leaf nodes of the binary tree with JVET, wherein further partitioning of child coding units split from quadtree leaf nodes via asymmetric binary partitioning is disallowed.