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A Fast Downsizing Video Transcoder for H.264/AVC with Rate-Distortion Optimal Mode Decision
2006
2006 IEEE International Conference on Multimedia and Expo
This paper focuses on the mode decision and motion selection problem when H.264/AVC video streams are transcoded in spatial resolution. A fast downsizing transcoding scheme is developed in which a new ratedistortion (R-D) optimal mode decision mechanism is presented for high speed transcoding as well as high coding efficiency. A model for estimating relative prediction errors is applied in this paper, which is free from computation of interpolation and SAD/SSD computation. Based on the selected
doi:10.1109/icme.2006.262609
dblp:conf/icmcs/ShenSWLL06
fatcat:i3pmhdy4gfaelcx6mhgq6pr2ui