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Proceedings Paper

Quality scalability in H.264/AVC video coding
Author(s): Ville-Pekka Limnell; Dong Tian; Miska M. Hannuksela; Moncef Gabbouj
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Paper Abstract

It is well-known that the problem of addressing heterogeneous networks in multicast can be solved by simultaneous transmission of multiple bitstreams of different bitrates and by layered encoding. This paper analyzes the use of H.264/AVC video coding in simulcast and for layered encoding. The sub-sequence feature of H.264/AVC enables hierarchical temporal scalability, which allows disposal of reference pictures from a coded bitstream without affecting the decoding of the remaining stream. In this paper we extend the scope of the H.264/AVC sub-sequence coding technique to quality scalability. The resulting quality scalable coding technique is similar to conventional coarse-granularity quality scalability but fully compatible with the H.264/AVC standard. It is found that the proposed method drops bitrate consumption in the core network compared to simulcast up to 20%. However, the bitrate required for enhanced-quality reception for scalably coded bitstreams is considerably higher than that of non-scalable bitstreams.

Paper Details

Date Published: 24 June 2005
PDF: 9 pages
Proc. SPIE 5960, Visual Communications and Image Processing 2005, 59601O (24 June 2005); doi: 10.1117/12.631568
Show Author Affiliations
Ville-Pekka Limnell, Tampere Institute of Signal Processing (Finland)
Dong Tian, Tampere Institute of Signal Processing (Finland)
Miska M. Hannuksela, Nokia Research Ctr. (Finland)
Moncef Gabbouj, Tampere Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 5960:
Visual Communications and Image Processing 2005
Shipeng Li; Fernando Pereira; Heung-Yeung Shum; Andrew G. Tescher, Editor(s)

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