IMAGE OR VIDEO ENCODING BASED ON RESIDUAL ACT Russian patent published in 2025 - IPC H04N19/60 

Abstract RU 2838594 C1

FIELD: data processing.

SUBSTANCE: invention relates to coding an image or video based on an adaptive colour transform (ACT) residue. Residual sampling can be derived by applying adaptive colour transform (ACT) to the current block based on information associated with the ACT, wherein the residual sample is derived by limiting based on a limiting boundary, wherein the limiting boundary is determined based on a bit depth.

EFFECT: high efficiency of compressing images and video.

2 cl, 11 dwg, 63 tbl

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RU 2 838 594 C1

Authors

Zhao, Jie

Kim, Seunghwan

Dates

2025-04-21Published

2024-05-07Filed