Adaptive inter color residual prediction for efficient red-green-blue intra coding

Jinwoo Jeong; Yoonsik Choe; Yong-Goo Kim

doi:10.1117/1.3598317

1 July 2011 Adaptive inter color residual prediction for efficient red-green-blue intra coding

Jinwoo Jeong, Yoonsik Choe, Yong-Goo Kim

Author Affiliations +

Optical Engineering, Vol. 50, Issue 7, 077404 (July 2011). https://doi.org/10.1117/1.3598317

Abstract

Intra coding of an RGB video is important to many high fidelity multimedia applications because video acquisition is mostly done in RGB space, and the coding of decorrelated color video loses its virtue in high quality ranges. In order to improve the compression performance of an RGB video, this paper proposes an inter color prediction using adaptive weights. For making full use of spatial, as well as inter color correlation of an RGB video, the proposed scheme is based on a residual prediction approach, and thus the incorporated prediction is performed on the transformed frequency components of spatially predicted residual data of each color plane. With the aid of efficient prediction employing frequency domain inter color residual correlation, the proposed scheme achieves up to 24.3% of bitrate reduction, compared to the common mode of H.264/AVC high 4:4:4 intra profile.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jinwoo Jeong, Yoonsik Choe, and Yong-Goo Kim "Adaptive inter color residual prediction for efficient red-green-blue intra coding," Optical Engineering 50(7), 077404 (1 July 2011). https://doi.org/10.1117/1.3598317

Published: 1 July 2011

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