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Fast intra mode decision algorithm for H.263 to H.264/AVC transcoding
2008
2008 International Conference on Neural Networks and Signal Processing
In this paper, we present a fast mode decision method for H.263 to H.264/AVC intraframe transcoding. The proposed algorithm is based on the observation that features of DCT coefficients extracted from H.263 coded intraframe strongly relates to the optimal mode in H.264/AVC intra mode decision. Specifically, the total number of non-zero AC coefficients of four 8x8 DCT blocks in H.263 is taken as a measurement in the intra block size decision. The objective is to reject improbable block types in
doi:10.1109/icnnsp.2008.4590434
fatcat:epzzs3v4wfga5ldaizwmqootya