A Novel Unequal Error Protection Scheme for ROI Based Video Coding in H.264/AVC

Authors:
Xiaolong Wang;Kun Tang;Huijuan Cui
Affiliations:
-;-;-
Venue:
ICCMS '10 Proceedings of the 2010 Second International Conference on Computer Modeling and Simulation - Volume 03
Year:
2010

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Abstract

This paper presents a novel unequal error protection scheme for H.264/AVC based on region of interest (ROI) with improved error resilience and quality of ROI region in video communication. With the help of Flexible Macro-Block Ordering (FMO) in H.264/AVC, the proposed scheme can not only encode the ROI region and the Non-ROI region in separate slice groups (SGs), but also further classify the ROI region into two slice groups with motion information from macro-blocks (MB). After employing Rate-compatible punctured convolutional (RCPC) codes for unequal error protection transmission strategy, experimental results show that the proposed algorithm obtained a better subjective quality of the reconstructed video than the traditional algorithm in ROI at the decoder and the peak-signal-noise-ratio (PSNR) has 0.87dB outperforming in average.