Video processing using local illumination compensation

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,659,162, 2023 - Google Patents
(57) ABSTRACT A video processing method is provided to include: determining, based on a
position rule, whether a local illumination compensation (LIC) tool is enabled for a …

Use of virtual candidate prediction and weighted prediction in video processing

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,483,550, 2022 - Google Patents
A video processing method includes constructing, for a conversion between a current block
of a video and a bitstream representation of the video, a motion candidate list with at least …

Weighted prediction in video coding

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,509,927, 2022 - Google Patents
Hashimoto, T., et al.,“Non-CE4: Weighted prediction with BDOF and bi-prediction with CU
weights harmonization”, Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC …

Harmonization between local illumination compensation and inter prediction coding

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,405,607, 2022 - Google Patents
A video processing method is provided to include: performing a determination, for a
conversion between a current block of a video and a coded representation of the video, that …

Harmonized local illumination compensation and intra block copy coding

H Liu, L Zhang, K Zhang, Y Wang - US Patent 11,470,307, 2022 - Google Patents
A video processing method is provided to include determining, for a conversion between a
current block of a current video picture of a video and a coded representation of the video …

Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction

H Wang, WJ Chien, M Karczewicz… - US Patent 11,190,797, 2021 - Google Patents
A video coder may be configured to determine to use a decoder side motion vector
refinement process, including bi-lateral template matching, based on whether or not weights …

Inter prediction methods for coding video data

RL Liao, Y Ye, J Chen - US Patent 11,206,425, 2021 - Google Patents
The present disclosure provides systems and methods for inter prediction process in video
data coding. One exem plary method comprises: selecting one of a DMVR process and a …

DMVR-based inter-prediction method and device

P Naeri, NAM Junghak - US Patent 11,252,415, 2022 - Google Patents
An image decoding method performed by a decoding device according to the present
document comprises the steps of: deriving a motion vector for a current block; determining …

Inter-prediction method and device based on DMVR and BDOF

P Naeri, NAM Junghak, J Hyeongmoon - US Patent 11,496,743, 2022 - Google Patents
An image decoding method includes: deriving a refined L0 motion vector and a refined L1
motion vector by applying decoder-side motion vector refinement (DMVR) based on an L0 …

Methods and systems for motion candidate derivation

N Zhang, K Zhang, H Liu, L Zhang, Y Wang - US Patent 11,936,899, 2024 - Google Patents
Embodiments of the present disclosure provide methods, apparatuses and computer
storage media for video processing. One example method comprises determining, during a …