-
公开(公告)号：US12184845B2
公开(公告)日：2024-12-31
申请号：US17950443
申请日：2022-09-22
Inventor： Zhipin Deng , Li Zhang , Ye-Kui Wang , Kai Zhang , Jizheng Xu
IPC: H04N19/105 , H04N19/117 , H04N19/132 , H04N19/139 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/463 , H04N19/52 , H04N19/70 , H04N19/80
Abstract: A method includes determining, for a conversion between a video block of a video and a bitstream of the video, a size of prediction block corresponding to the video block according to a rule. The method also includes performing the conversion based on the determining. The rule specifies that a first size of the prediction block is determined responsive to whether a prediction refinement using optical flow technique is used for coding the video block. The video block has a second size and is coded using an affine merge mode or an affine advanced motion vector prediction mode.
-
公开(公告)号：US20240340459A1
公开(公告)日：2024-10-10
申请号：US18747861
申请日：2024-06-19
Inventor： Zhipin Deng , Li Zhang , Ye-Kui Wang , Kai Zhang
IPC: H04N19/70 , H04N19/105 , H04N19/174
CPC classification number: H04N19/70 , H04N19/105 , H04N19/174
Abstract: Examples of video encoding methods and apparatus and video decoding methods and apparatus are described. An example method of video processing includes performing a conversion between a current picture of a video and a bitstream of the video according to a rule. The rule specifies that a number of entries in a reference picture list of the current picture is greater than 0 in response to (1) one or more slices in the current picture being allowed to have a slice type other than an Intra (I) slice type, and (2) reference picture list (RPL) information being present in a picture header.
-
公开(公告)号：US12034975B2
公开(公告)日：2024-07-09
申请号：US17897998
申请日：2022-08-29
Inventor： Ye-Kui Wang , Zhipin Deng , Li Zhang , Kai Zhang , Jizheng Xu
IPC: H04N19/70 , H04N19/105 , H04N19/117 , H04N19/169 , H04N19/172 , H04N19/174 , H04N19/189 , H04N19/196 , H04N19/46 , H04N19/58 , H04N19/635 , H04N19/82 , H04N19/86 , H04N19/127
CPC classification number: H04N19/70 , H04N19/105 , H04N19/117 , H04N19/172 , H04N19/174 , H04N19/188 , H04N19/189 , H04N19/197 , H04N19/46 , H04N19/58 , H04N19/635 , H04N19/82 , H04N19/86 , H04N19/127
Abstract: A video processing method includes performing a conversion between a video including one or more pictures and a bitstream of the video. The bitstream conforms to a format rule specifying that one or more syntax elements indicative of coding information are selectively included in a picture parameter set of the bitstream responsive to whether it is indicated that each picture referring to the picture parameter set includes a single slice.
-
公开(公告)号：US12015772B2
公开(公告)日：2024-06-18
申请号：US17950443
申请日：2022-09-22
Inventor： Zhipin Deng , Li Zhang , Ye-Kui Wang , Kai Zhang , Jizheng Xu
IPC: H04N19/105 , H04N19/117 , H04N19/132 , H04N19/139 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/463 , H04N19/52 , H04N19/70 , H04N19/80
CPC classification number: H04N19/117 , H04N19/105 , H04N19/132 , H04N19/139 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/463 , H04N19/52 , H04N19/70 , H04N19/80
Abstract: A method includes determining, for a conversion between a video block of a video and a bitstream of the video, a size of prediction block corresponding to the video block according to a rule. The method also includes performing the conversion based on the determining. The rule specifies that a first size of the prediction block is determined responsive to whether a prediction refinement using optical flow technique is used for coding the video block. The video block has a second size and is coded using an affine merge mode or an affine advanced motion vector prediction mode.
-
公开(公告)号：US11924418B2
公开(公告)日：2024-03-05
申请号：US17958531
申请日：2022-10-03
Inventor： Zhipin Deng , Li Zhang , Ye-Kui Wang , Kai Zhang , Jizheng Xu
IPC: H04N19/117 , H04N19/124 , H04N19/186 , H04N19/196 , H04N19/70 , H04N19/86 , H04N19/157
CPC classification number: H04N19/117 , H04N19/124 , H04N19/186 , H04N19/196 , H04N19/70 , H04N19/157 , H04N19/86
Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding, or video transcoding. One example method of video processing includes performing a conversion between a video and a bitstream of the video according to a format rule. The format rule specifies that a first field at a sequence level or a picture level or a slice level controls a value of a second field in an adaptation parameter set.
-
Patent Agency Ranking
公开(公告)号：US20240048749A1
公开(公告)日：2024-02-08
申请号：US18483403
申请日：2023-10-09
Inventor： Ye-Kui Wang , Yang Wang , Li Zhang
IPC: H04N19/46 , H04N19/597 , H04N19/172
CPC classification number: H04N19/46 , H04N19/597 , H04N19/172
Abstract: A method implemented by a video coding apparatus. The method includes determining that a scalability dimension information (SDI) supplemental enhancement information (SEI) message precedes a multiview acquisition information (MAI) SEI message in decoding order whenever an access unit (AU) contains both the SDI SEI message and the MAI SEI message; and performing a conversion between a video and a bitstream of the video based on the SDI SEI message and the MAI SEI message. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
-
公开(公告)号：US20240040139A1
公开(公告)日：2024-02-01
申请号：US18483654
申请日：2023-10-10
Inventor： Ye-Kui Wang , Yang Wang , Li Zhang
IPC: H04N19/46 , H04N19/172
CPC classification number: H04N19/46 , H04N19/172
Abstract: A method implemented by a video coding apparatus. The method includes inferring a scalability dimension information (SDI) auxiliary identifier (ID) is equal to a first value when an SDI auxiliary information flag is equal to the first value; and performing a conversion between a video and a bitstream of the video based on the value inferred. A corresponding video coding apparatus and non-transitory computer readable medium are also disclosed.
-
公开(公告)号：US20230269384A1
公开(公告)日：2023-08-24
申请号：US18307161
申请日：2023-04-26
Inventor： Ye-Kui Wang , Li Zhang , Haibin Yin , Lingyu Li
IPC: H04N19/30 , H04N19/107 , H04N19/169 , H04N19/172
CPC classification number: H04N19/30 , H04N19/107 , H04N19/188 , H04N19/172
Abstract: A mechanism for processing video data is disclosed. A conversion is performed between a visual media data and a visual media data file. The visual media data file includes pictures in layers, a random access recovery point (roll) sample group specifying access points into the layers, and a grouping type parameter. The grouping type parameter specifies a correspondence between the access points and relevant layers of the layers. The grouping type parameter includes a layer identifier method identification code parameter specifying that the access points include one or more of: one or more gradual decoding refresh (GDR) pictures; and one or more mixed network abstraction layer (NAL) unit pictures with both an intra random access point (IRAP) subpicture and a non-IRAP subpicture.
-
公开(公告)号：US12273515B2
公开(公告)日：2025-04-08
申请号：US18521244
申请日：2023-11-28
Inventor： Zhipin Deng , Li Zhang , Ye-Kui Wang , Kai Zhang , Jizheng Xu
IPC: H04N19/117 , H04N19/124 , H04N19/157 , H04N19/186 , H04N19/196 , H04N19/70 , H04N19/86
Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding, or video transcoding. One example method of video processing includes performing a conversion between a video and a bitstream of the video according to a format rule. The format rule specifies that a first field at a sequence level or a picture level or a slice level controls a value of a second field in an adaptation parameter set.
-
公开(公告)号：US20250088671A1
公开(公告)日：2025-03-13
申请号：US18955561
申请日：2024-11-21
Inventor： Ye-Kui Wang , Zhipin Deng
IPC: H04N19/70 , C09K13/06 , C23F1/26 , C23F1/28 , H01L21/3213 , H04N19/169 , H04N19/184 , H04N19/46
Abstract: Systems, methods and apparatus for encoding, decoding or transcoding digital video are described. One example method of video processing includes performing a conversion between a video and a bitstream of the video including multiple layers, wherein the bitstream includes a plurality of supplemental enhancement information, SEI, messages associated with an access unit, AU, or a decoding unit, DU, of a particular output layer set, OLS, or a particular layer, wherein the plurality of SEI messages, including a message type different from scalable nesting type, is based on a format rule, and wherein the format rule specifies that each of the plurality of SEI messages has a same SEI payload content due to the plurality of SEI messages being associated with the AU or the DU of the particular OLS or the particular layer.
-
-
-
-
-
-
-
-
-
Search Results
77
records
(took 0.031 seconds)
