Open Access

Quality Variation Control for Three-Dimensional Wavelet-Based Video Coders

EURASIP Journal on Image and Video Processing20072007:083068

https://doi.org/10.1155/2007/83068

Received: 15 August 2006

Accepted: 9 January 2007

Published: 18 February 2007

Abstract

The fluctuation of quality in time is a problem that exists in motion-compensated-temporal-filtering (MCTF-) based video coding. The goal of this paper is to design a solution for overcoming the distortion fluctuation challenges faced by wavelet-based video coders. We propose a new technique for determining the number of bits to be allocated to each temporal subband in order to minimize the fluctuation in the quality of the reconstructed video. Also, the wavelet filter properties are explored to design suitable scaling coefficients with the objective of smoothening the temporal PSNR. The biorthogonal 5/3 wavelet filter is considered in this paper and experimental results are presented for 2D+t and t+2D MCTF wavelet coders.

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Authors’ Affiliations

(1)
Department of Electrical Engineering, State University of New York at Buffalo

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Copyright

© V. Seran and L. P. Kondi. 2007

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.