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An Effective Mode Decision Algorithm in H.264/AVC Encoder  

Moon Jeong-Mee (부산대학교 컴퓨터 및 정보통신연구소)
Kim Jae-Ho (부산대학교 컴퓨터 및 정보통신연구소)
Moon Yong-Ho (부산외국어대학교 디지털미디어학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.3C, 2006 , pp. 250-257 More about this Journal
Abstract
In this paper, we propose an efficient algorithm for the RDO mode decision in H.264/AVC encoder. Based on the properties of DCT coefficients and the RDO mode decision processing, we derive a new condition for detecting an error block having all-zero DCT coefficient (AZCB). (I)DCT, (I)Q, and entropy coding are skipped for AZCBs in the proposed algorithm. It makes the reduction of the computational complexity for the RDO mode decision. Simulation results show that the proposed algorithm achieves computational saving over 40% compared to the conventional method.
Keywords
(I)DCT; (I)Q; H.264/AVC; SSD; RDO mode decision;
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