Hybrid coding of video with spatiotemporal scalability using subband decomposition

Marek Domanski; Adam Luczak; Slawomir Mackowiak; Roger Swierczynski

doi:10.1117/12.334607

28 December 1998 Hybrid coding of video with spatiotemporal scalability using subband decomposition

Marek Domanski, Adam Luczak, Slawomir Mackowiak, Roger Swierczynski

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334607
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

The paper deals with scalable coding of video with SDTV or HDTV resolution. A new technique of scalable coding is proposed for bitrates of about 3 - 10 Mbps. The technique has been implemented for BT.601 resolution and progressive scan, therefore problems related to an interlaced scan are omitted here. The goal is to improve spatial scalability of MPEG-2 by introducing spatio-temporal scalability. The technique proposed needs less coding overhead than in MPEG-2 spatially scalable scheme and an enhancement layer bitstream with its bitrate not less than the bitrate in a base layer. The solution proposed in the paper is based on both temporal and spatial resolution reduction performed for data transmitted in a base layer. The temporal resolution reduction is obtained by placing each second frame (B-frame) in the enhancement layer. The enhancement layer includes also high-frequency spatial subbands from other frames. A variant of the system based on three-dimensional spatio-temporal analysis is also described. In both cases the assumption is that a base layer is fully MPEG-2 compatible.

Citation Download Citation

Marek Domanski, Adam Luczak, Slawomir Mackowiak, and Roger Swierczynski "Hybrid coding of video with spatiotemporal scalability using subband decomposition", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334607

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