Fast motion estimation within the H.264 codec
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 3 (ICME '03) - Volume 03
Distortion-Complexity Optimization of the H.264/MPEG-4 AVC Encoder using the GBFOS Algorithm
DCC '07 Proceedings of the 2007 Data Compression Conference
Overview of the H.264/AVC video coding standard
IEEE Transactions on Circuits and Systems for Video Technology
Power-rate-distortion analysis for wireless video communication under energy constraints
IEEE Transactions on Circuits and Systems for Video Technology
Analysis and complexity reduction of multiple reference frames motion estimation in H.264/AVC
IEEE Transactions on Circuits and Systems for Video Technology
IEEE Transactions on Circuits and Systems for Video Technology
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Video compression is a computation-intensive task and real-time implementation of state-of-the-art video standards is a challenge. In this paper we propose a complexity scalable framework to H.264/AVC prediction module since the "intra" and "inter" prediction steps are responsible for almost all computation complexity. The idea is to employ a subset of prediction modes instead of testing all modes recommended by H.264/AVC standard. Only the most "popular" prediction modes are ranked and tested until reaching a complexity budget. The ranking is done by sampling macroblocks of previous frames. Results show a negligible the quality loss while achieving large computational savings.