Comparison between H.264/AVC intra transrating schemes based on frequency position and frequency level selectivity

In this paper, we propose to compare two different H.264/AVC intra transrating architectures based on frequency position selectivity and frequency level selectivity respectively, using intra high-definition video bitstreams. We evaluate these solutions in terms of bitrate reduction and visual qualit...

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Main Authors: Deknudt, C., Bacquet, A. S., Corlay, P., Zwingelstein-Colin, M., Coudoux, F. X.
Format: Conference Proceeding
Language:English
Subjects:
Bit rate
Computer architecture
Content adaptation and scaling
Encoding
Performance evaluation
PSNR
Quantization
Signal processing for transmission
Transforms
Video coding and processing
Video sequences
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Bacquet, A. S.
Corlay, P.
Zwingelstein-Colin, M.
Coudoux, F. X.
description In this paper, we propose to compare two different H.264/AVC intra transrating architectures based on frequency position selectivity and frequency level selectivity respectively, using intra high-definition video bitstreams. We evaluate these solutions in terms of bitrate reduction and visual quality using both PSNR and Video Quality Metric (VQM) experiments. Simulation results show that the frequency position selectivity has a slight lower computing complexity while providing better or similar visual quality than frequency level selectivity.
doi_str_mv 10.1109/BMSB.2011.5954972
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subjects Bit rate
Computer architecture
Content adaptation and scaling
Encoding
Performance evaluation
PSNR
Quantization
Signal processing for transmission
Transforms
Video coding and processing
Video sequences
title Comparison between H.264/AVC intra transrating schemes based on frequency position and frequency level selectivity
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