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

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

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 perfo...

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Hauptverfasser: Liu, Yi-Nung, Tang, Chi-Sun, Chien, Shao-Yi
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Sprache:eng
Schlagworte:
Automatic voltage control
Decoding
Digital filters
Digital TV
Discrete cosine transforms
Motion estimation
Performance analysis
Quantization
Transcoding
Transform coding
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creator Liu, Yi-Nung
Tang, Chi-Sun
Chien, Shao-Yi
description 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.
doi_str_mv 10.1109/ISCAS.2007.378428
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Automatic voltage control
Decoding
Digital filters
Digital TV
Discrete cosine transforms
Motion estimation
Performance analysis
Quantization
Transcoding
Transform coding
title Coding Mode Analysis of MPEG-2 to H.264/AVC Transcoding for Digital TV Applications
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