Intra block copy for video coding

L Zhang, K Zhang, WJ Chien, M Karczewicz - US Patent 11,012,715, 2021 - Google Patents
This disclosure describes example techniques that a video coder (eg, video encoder or
video decoder) may utilize to determine a block vector for a chroma block where the partition …

Intra video coding using a decoupled tree structure

L Zhang, WJ Chien, J Chen, X Zhao… - US Patent …, 2019 - Google Patents
Processing circuitry of a device is configured to determine that a plurality of derived modes
(DMs) available for predicting a luma block of video data are also available for predicting a …

Position based intra prediction

K Zhang, L Zhang, H Liu, J Xu, Y Wang - US Patent 10,999,581, 2021 - Google Patents
(57) ABSTRACT A method for video processing is provided. The method includes
determining, for a conversion between a current video block of a video that is a chroma …

Context-based intra prediction

K Zhang, L Zhang, H Liu, J Xu, Y Wang - US Patent 11,057,642, 2021 - Google Patents
(57) ABSTRACT A method for video processing is provided. The method includes
performing downsampling on chroma and luma samples of a neighboring block of the …

Interaction between IBC and BIO

K Zhang, L Zhang, H Liu, Y Wang - US Patent 11,202,081, 2021 - Google Patents
US11202081B2 - Interaction between IBC and BIO - Google Patents US11202081B2 -
Interaction between IBC and BIO - Google Patents Interaction between IBC and BIO …

Interaction between IBC and ATMVP

K Zhang, L Zhang, H Liu, Y Wang - US Patent 11,523,123, 2022 - Google Patents
Devices, systems and methods for applying intra-block copy (IBC) in video coding are
described. In general, methods for integrating IBC with existing motion compensation algo …

Sub-block MV inheritance between color components

K Zhang, L Zhang, H Liu, Y Wang - US Patent 11,197,007, 2021 - Google Patents
Devices, systems and methods for sub-block based predic tion are described. In a
representative aspect, a method for video processing includes partitioning a first component …

Position dependent intra prediction

K Zhang, L Zhang, H Liu, J Xu, Y Wang - US Patent 11,019,344, 2021 - Google Patents
(57) ABSTRACT A method for video processing is provided. The method includes
determining, for a conversion between a current video block of a video that is a chroma …

Coding adaptive multiple transform information for video coding

HE Egilmez, YH Chao, A Said, V Seregin… - US Patent …, 2021 - Google Patents
An example device for decoding video data includes a memory configured to store video
data; and a processor implemented in circuitry and configured to decode a trun cated unary …

Parameter derivation for intra prediction

K Zhang, L Zhang, H Liu, J Xu, Y Wang - US Patent 10,939,128, 2021 - Google Patents
(57) ABSTRACT A method for video processing is provided. The method includes
determining, for a conversion between a current video block of a video that is a chroma …