Decoder-side motion vector refinement

CC Chen, WJ Chien, CH Hung… - US Patent 11,146,810, 2021 - Google Patents
A video coding device, such as a video encoder or video decoder, may determine that a
block of video data has at least one of a width less than 8 pixels, a height less than 8 pixels …

Sub-block based decoder side motion vector derivation

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,178,422, 2021 - Google Patents
Devices, systems and methods for digital video coding, which include decoder side motion
vector derivation (DMVD) tools, are described. An exemplary method for video processing …

Restrictions on decoder side motion vector derivation

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,082,712, 2021 - Google Patents
Devices, systems and methods for digital video coding, which include decoder side motion
vector derivation (DMVD) tools, are described. An exemplary method for video processing …

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 …

Partial cost calculation

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,159,816, 2021 - Google Patents
A method of decoding a bitstream comprising a digital representation of a video includes
decoding motion information for a current video block from the bitstream, estimating …

Unified constrains for the merge affine mode and the non-merge affine mode

K Zhang, L Zhang, H Liu, Y Wang - US Patent 11,197,003, 2021 - Google Patents
Devices, systems and methods for sub-block based predic tion are described. In a
representative aspect, a method for video processing comprises determining a block size …

Block size restrictions for DMVR

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,363,290, 2022 - Google Patents
Methods of enabling and disabling a decoder-side motion vector refinement (DMVR) video
decoder and/or encoder are described. One example method includes determining a width …

Simplified coding of generalized bi-directional index

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,134,268, 2021 - Google Patents
Devices, systems and methods for digital video coding, which include decoder side motion
vector derivation (DMVD) tools, are described. An exemplary method for video processing …

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 …

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 …