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dc.contributor.authorGuo, Yi
dc.contributor.authorLi, Houqiang
dc.contributor.authorPei, Shibao
dc.contributor.authorChen, Changwen
dc.date.accessioned2017-05-22T20:35:51Z
dc.date.available2017-05-22T20:35:51Z
dc.date.issued2006-02-10
dc.identifier.citationGuo, Y., Li, H., Pei, S., & Chen, C. (2006). A novel fast inter-prediction mode decision for H.264/AVC. Paper presented at the Proceedings of SPIE - the International Society for Optical Engineering, 6074 doi:10.1117/12.654806en_US
dc.identifier.urihttp://hdl.handle.net/11141/1444
dc.description.abstractVideo coding in wireless environment requires lower computational complexity and lower energy consumption than that used in storage oriented or network oriented application. Although H.264/AVC standard provides considerable higher compression efficiency as compared to the previous standards, its complexity is significantly increased at the same time. In a H.264/AVC encoder, the most time-consuming components are variable block sizes motion estimation and mode decision using rate-distortion optimization (RDO). In this paper, we propose a novel fast inter-prediction mode decision by exploiting high correlation between rate-distortion costs (RD cost) of macroblocks in the current inter frame and their co-located macroblocks in the previous inter frame. Using this new algorithm, we can reduce a number of inter mode candidates and skip motion estimation for these modes. In addition, our algorithm can also decrease a number of tested intra modes. Simulation results show that our approach can save 20% to 50% encoding time, with a negligible PSNR loss less than 0.1 dB and bit rate increase no more than 2% for almost all the test sequences.en_US
dc.language.isoen_USen_US
dc.rightsThis published article is made available in accordance with publishers policy. It may be subject to U.S. copyright law.en_US
dc.rights.urihttp://spie.org/publications/journals/guidelines-for-authors#Terms_of_Useen_US
dc.titleA novel fast inter-prediction mode decision for H.264/AVCen_US
dc.typeConference Proceedingen_US
dc.identifier.doi10.1117/12.654806


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