Fine granularity in multi-loop hybrid coders with multi-layer scalability

The paper describes a generic multi-loop coder structure suitable for mixed spatial and temporal scalability combined with fine granular SNR scalability. The structure is suitable for various variants of hybrid video coders like MPEG-2, H.263 and H.26L. The idea of mixed spatial and temporal scalabi...

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Bibliographic Details
Published inProceedings. International Conference on Image Processing Vol. 3; pp. 741 - 744 vol.3
Main Authors Domanski, M., Mackowiak, S., Blaszak, L., Luczak, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2002
Subjects
Bandwidth
Decoding
Motion estimation
MPEG 4 Standard
Paper technology
Proposals
Scalability
Spatial resolution
Streaming media
Throughput
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Summary:The paper describes a generic multi-loop coder structure suitable for mixed spatial and temporal scalability combined with fine granular SNR scalability. The structure is suitable for various variants of hybrid video coders like MPEG-2, H.263 and H.26L. The idea of mixed spatial and temporal scalability i.e. spatio-temporal scalability is substantial for the proposal. Its application allows improving the scalable coding efficiency i.e. decreasing the scalability overhead. The coder consists of independently motion-compensated sub-coders that produce bitstreams corresponding to individual levels of spatio-temporal resolution. The bitrate can be smoothly matched to the particular channel bandwidth by use of data partitioning, which is related to drift errors in the decoder. Accumulation and propagation of these errors can be bounded by use of proper structures of groups of pictures.
ISBN:0780376226
9780780376229
ISSN:1522-4880
2381-8549
DOI:10.1109/ICIP.2002.1039078