Abstract
In this paper, a new fast mode-selection approach is proposed. This algorithm combines the proposed approaches of mode pre-decision and precise large-small mode decision, by selecting the best mode efficiently. Experimental results show that the proposed approach can reduce the computational cost of full search and fast multi-block motion estimation by 80 % and 45 %, respectively, 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 % reduction in bit rate.
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Translated from Journal of Shanghai Jiao Tong University, 2006, 40(1): 1–6 (in Chinese)
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Lin, Wy., Fang, Xz., Huang, Xc. et al. A fast block mode selection approach for H.264 visual coding. Front. Electr. Electron. Eng. China 1, 431–436 (2006). https://doi.org/10.1007/s11460-006-0082-4
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DOI: https://doi.org/10.1007/s11460-006-0082-4