NDLI: An Efficient Fast Mode Decision Algorithm Based on Motion Cost for H.264 Inter Prediction

Content Provider	IEEE Xplore Digital Library
Author	Weipeng Ma Shuyuan Yang Li Gao Chaoke Pei
Copyright Year	2008
Description	Author affiliation: Dept. of Digital Syst. Integration Tech., CAS, Beijing (Shuyuan Yang; Li Gao) \|\| Grad. Univ. of Chinese Acad. of Sci., Beijing (Weipeng Ma; Chaoke Pei)
Abstract	H.264 adopts variable block size motion estimation and mode decision with rate-distortion optimization to improve video quality and decrease bit rate. However,these techniques increase the computation complexity and the encoding time enormously. An efficient macroblock level fast mode decision algorithm is proposed in this paper. Macroblocks which are likely to choose a large block size during mode decision are detected early and those smaller size modes are rejected for these macroblocks. Experimental results show that 40.52% encoding time is saved with only 0.01 dB PSNR drop on average.
Starting Page	550
Ending Page	553
File Size	236370
Page Count	4
File Format	PDF
ISBN	9780769535050
DOI	10.1109/IITA.Workshops.2008.157
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chaos Motion estimation H.264 rate distortion optimization Encoding Partitioning algorithms video coding Quadratic programming Information technology Lagrangian functions Bit rate Rate-distortion Cost function fast mode decision
Content Type	Text
Resource Type	Article

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