A wavelet-tree image coding system with efficient memory utilization

Authors:
Y. Andreopoulos;P. Schelkens;N. D. Zervas;T. Stouraitis;C. E. Goutis;J. Cornelis
Affiliations:
Dept. ETRO, Vrije Universiteit Brussel, Brussels, Belgium;-;-;-;-;-
Venue:
ICASSP '01 Proceedings of the Acoustics, Speech, and Signal Processing, 2001. on IEEE International Conference - Volume 03
Year:
2001

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Abstract

This paper describes an efficient implementation of an image coding system based on the independent wavelet-tree coding concept. The system consists of a transform and a (de)coding engine that operate in a pipelined fashion. The main focus of this paper is on the encoding part since, due to the system architecture, the decoder has identical memory utilization. Experimental results prove that the proposed system achieves comparable coding performance to the state-of-the-art, while it localizes the memory accesses to small memory modules and uses minimal computational resources.