Coding Mode Analysis of MPEG-2 to H.264/AVC Transcoding for Digital TV Applications | Zendy

Yi-Nung Liu | Zendy; Chi-Sun Tang | Zendy; Shao-Yi Chien | Zendy

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Coding Mode Analysis of MPEG-2 to H.264/AVC Transcoding for Digital TV Applications

Author(s) -

Yi-Nung Liu,

Chi-Sun Tang,

Shao-Yi Chien

Publication year - 2007

Publication title -

2007 ieee international symposium on circuits and systems (iscas)

Language(s) - English

Resource type - Conference proceedings

eISSN - 2158-1525

pISSN - 0271-4302

DOI - 10.1109/iscas.2007.378428

Subject(s) - components, circuits, devices and systems , communication, networking and broadcast technologies , engineered materials, dielectrics and plasmas

MPEG-2 to H.264/AVC transcoding is an important module for video recoding in digital TV applications. For pixel domain transcoding, MPEG-2 bitstream is decoded and then re-encoded by H.264 encoder. Since the behavior of the decoded video is different from the original video, in this paper, the performance of each coding mode is analyzed to select the effective coding tools. It is shown from the analysis that transcoding with motion estimation with only one reference frame and 16×16 block size and deblocking filter can achieve almost the same video quality with only 19% of the computation. The analysis result could be an important reference for the implementation of MPEG-2 to H.264 transcoder.

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