In this paper,a new fast mode-selection ap-proach is proposed.This algorithm combines the proposed approaches of mode pre-decision and precise large-small mode decision,by selecting the best mode efficiently.Ex-perime...In this paper,a new fast mode-selection ap-proach is proposed.This algorithm combines the proposed approaches of mode pre-decision and precise large-small mode decision,by selecting the best mode efficiently.Ex-perimental results show that the proposed approach can re-duce the computational cost of full search and fast multi-block motion estimation by 80%and 45%,respec-tively,with similar visual quality and bit rate.The proposed algorithm also reduces by 75%the computational cost of the large-small mode isolation algorithm for low-motion sequence coding,and with 0.06 PSNR gain and 3.7%re-duction in bit rate.展开更多
文摘In this paper,a new fast mode-selection ap-proach is proposed.This algorithm combines the proposed approaches of mode pre-decision and precise large-small mode decision,by selecting the best mode efficiently.Ex-perimental results show that the proposed approach can re-duce the computational cost of full search and fast multi-block motion estimation by 80%and 45%,respec-tively,with similar visual quality and bit rate.The proposed algorithm also reduces by 75%the computational cost of the large-small mode isolation algorithm for low-motion sequence coding,and with 0.06 PSNR gain and 3.7%re-duction in bit rate.
