Geometric transforms for filters for video coding

M Karczewicz, WJ Chien, L Zhang - US Patent 11,563,938, 2023 - Google Patents
An example device for filtering a decoded block of video data includes one or more
processors implemented in circuitry and configured to decode a current block of a current …

Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,895,318, 2024 - Google Patents
Devices, systems and methods for coding video using one or more tables to store motion
information and process subsequent blocks are described. In one aspect, a video coding …

Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks

L Zhang, K Zhang, H Liu, Y Wang - US Patent 12,058,364, 2024 - Google Patents
Devices, systems and methods for coding video using one or more tables to store motion
information and processing subsequent blocks are described. In one aspect, a video coding …

Partial/full pruning when adding a HMVP candidate to merge/AMVP

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,528,500, 2022 - Google Patents
(57) ABSTRACT A method of video processing is provided to include: maintaining a set of
tables, wherein each table includes motion candidates and each motion candidate is …

LUTS with intra prediction modes and intra mode prediction from non-adjacent blocks

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,463,685, 2022 - Google Patents
Devices, systems and methods for encoding and decoding digital video are described. In a
representative aspect, a method for video processing includes maintaining one or more …

Temporal prediction of parameters in non-linear adaptive loop filter

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,233,995, 2022 - Google Patents
Devices, systems and methods for temporal prediction of parameters in non-linear adaptive
loop filtering are described. In an exemplary aspect, a method for visual media processing …

Interaction between LUT and AMVP

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,528,501, 2022 - Google Patents
(57) ABSTRACT A method of video decoding is provided to include main taining tables,
wherein each table includes a set of motion candidates and each motion candidate is …

Indication of bilateral filter usage in video coding

L Zhang, WJ Chien, M Karczewicz - US Patent 10,694,202, 2020 - Google Patents
US10694202B2 - Indication of bilateral filter usage in video coding - Google Patents
US10694202B2 - Indication of bilateral filter usage in video coding - Google Patents Indication of …

Block-based adaptive loop filter (ALF) design and signaling

M Karczewicz, A Gadde, V Seregin… - US Patent 11,451,773, 2022 - Google Patents
A video encoder and video decoder may determine a set of adaptive loop filters, from among
a plurality of sets of adaptive loop filters, on a per-block basis. Each set of adaptive loop …

Multi-parameter adaptive loop filtering in video processing

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,509,941, 2022 - Google Patents
Devices, systems and methods for video processing are described. In an exemplary aspect,
a method for video processing includes performing a conversion between a coded …