Efficient MPEG-2 to H.264/AVC intra transcoding in transform-domain

  title={Efficient MPEG-2 to H.264/AVC intra transcoding in transform-domain},
  author={Yeping Su and Jun Xin and Anthony Vetro and Huifang Sun},
  journal={2005 IEEE International Symposium on Circuits and Systems},
  pages={1234-1237 Vol. 2}
In this paper, we propose a transform-domain MPEG-2 to H.264/AVC intra video transcoder. In the transcoder, the input DCT coefficients are first converted to H.264 transform (HT) coefficients entirely in the transform-domain. A rate-distortion optimized macroblock mode decision is then performed, based on the HT coefficients. Finally, the HT coefficients are coded using the selected modes to generate the output H.264 bitstream. The proposed transcoder is equivalent to the conventional pixel… CONTINUE READING
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