Primary transform and secondary transform in video coding

CT Hsieh, V Seregin, X Zhao, A Said… - US Patent …, 2021 - Google Patents
(57) ABSTRACT A video coding device (eg, a video encoder or a video decoder) is
configured to perform various transformations on video data. The video coding device …

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
2020-02-20 Assigned to BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
reassignment BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. ASSIGNMENT …

Encoding optimization with illumination compensation and integer motion vector restriction

YC Sun, WJ Chien, L Zhang, YW Chen, N Hu… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A video encoder is configured to determine whether to enable or disable an
integer motion vector precision restric tion and whether to enable or disable an illumination …

Invoke of LUT updating

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,589,071, 2023 - Google Patents
2021-04-13 Assigned to BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
reassignment BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. ASSIGNMENT …

Encoding method and apparatus therefor, and decoding method and apparatus therefor

JY Lee, Y Piao, E Alshina - US Patent 11,432,003, 2022 - Google Patents
Provided is a video decoding method including: obtaining, from a bitstream, prediction
motion vector information indicating a prediction motion vector of a current block and …

Conditions for starting checking HMVP candidates depend on total number minus K

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,962,754, 2024 - Google Patents
A method of video decoding includes checking one or more video blocks in pre-defined
relative positions compared to a first video block to derive a first set of candidates, wherein …

Interaction between merge list construction and other tools

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,641,483, 2023 - Google Patents
Device, methods and systems that enable the interaction of merge list construction with other
tools and methods in video coding are described. An exemplary method for video …

Template-based inter prediction techniques based on encoding and decoding latency reduction

X **u, Y He, Y Ye - US Patent 11,317,085, 2022 - Google Patents
Video coding methods are described for reducing latency in template-based inter coding. In
some embodiments, a method is provided for coding a video that includes a current picture …

Selection of coded motion information for LUT updating

L Zhang, K Zhang, H Liu, Y Wang - US Patent 11,706,406, 2023 - Google Patents
2020-12-28 Assigned to BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
reassignment BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. ASSIGNMENT …

Restriction of extended quadtree

L Zhang, K Zhang, H Liu, HC Chuang… - US Patent 11,570,482, 2023 - Google Patents
2020-11-05 Assigned to BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
reassignment BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD. ASSIGNMENT …