NDLI: Spatio-temporal-SNR scalable wavelet coding with motion-compensated DCT base-layer architectures

Content Provider	IEEE Xplore Digital Library
Author	Andreopoulos, Y. van der Schaar, M. Munteanu, A. Schelkens, P. Cornelis, J.
Copyright Year	2003
Description	Author affiliation: Dept. of Electron. & Inf. Process., Vrije Univ., Brussels, Belgium (Andreopoulos, Y.)
Abstract	It has been demonstrated recently that 3-D wavelet coding with motion-compensated temporal filtering (MCTF) provides a wide range of spatio-temporal-SNR scalability with state-of-the-art coding performance. However, the coding system is very different from the already standardized motion-compensated DCT (MC-DCT) video coders such as MPEG-2, MPEG-4, or H.26L. Nonetheless, the market acceptance of the new scalable technology will come much easier if backward compatibility to such previous standards would exist. In this paper, we present a new coder architecture where the base layer can be a standard MC-DCT coder, while the enhancement layer is an in-band MCTF codec operating in the overcomplete wavelet domain. First, we propose a simple extension of the scalable 3-D wavelet codec with a standard MC-DCT base layer. As a second step, to improve the performance of the proposed scalable coder over a wide range of bit-rates, we describe several small extensions to the standardized MC-DCT codec structure that can be applied for the base layer coding.
Sponsorship	IEEE Signal Process. Soc
File Size	310773
File Format	PDF
ISBN	0780377508
ISSN	15224880
DOI	10.1109/ICIP.2003.1246800
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-14
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete cosine transforms Decoding Scalability Code standards Wavelet domain Spatial resolution Filtering Codecs Discrete wavelet transforms USA Councils
Content Type	Text
Resource Type	Article

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