IMAGE OR VIDEO ENCODING BASED ON PALETTE MODE Russian patent published in 2023 - IPC H04N19/186 H04N19/11 H04N19/124 

Abstract RU 2793826 C1

FIELD: video or image encoding.

SUBSTANCE: method of encoding based on palette mode. It is proposed that a quantization parameter used in a palette mode transition quantized value scaling process can be derived based on the minimum quantization parameter information related to the transform skip mode. Accordingly, the amount of data required for video/image encoding signalling can be reduced, and palette mode transition encoding can be efficiently performed.

EFFECT: improved efficiency of encoding for screen content, such as computer-generated video, which contains a significant amount of text and graphics.

7 cl, 11 dwg, 18 tbl

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RU 2 793 826 C1

Authors

Zhao, Jie

Paluri, Seethal

Kim, Seunghwan

Dates

2023-04-06Published

2020-08-26Filed