Colour Image Compression Based on the Embedded Zerotree Wavelet

Authors:
Francisco A. Pujol;Higinio Mora;Antonio Jimeno;José Luis Sánchez
Affiliations:
Dept. Tecnología Informática y Computación, Universidad de Alicante, Alicante, Spain E-03080;Dept. Tecnología Informática y Computación, Universidad de Alicante, Alicante, Spain E-03080;Dept. Tecnología Informática y Computación, Universidad de Alicante, Alicante, Spain E-03080;Dept. Tecnología Informática y Computación, Universidad de Alicante, Alicante, Spain E-03080
Venue:
IWANN '09 Proceedings of the 10th International Work-Conference on Artificial Neural Networks: Part II: Distributed Computing, Artificial Intelligence, Bioinformatics, Soft Computing, and Ambient Assisted Living
Year:
2009

Citing 2
Cited 0

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Abstract

In recent years, some of the most emerging applications in multimedia data processing are wireless/mobile multimedia systems and streaming content over the Internet. Both applications require flexible image data compression for storage or transmission proposals. Wavelet-based image compression schemes, such as the Embedded Zerotree Wavelet, obtain excellent results for these proposals and have been object of intensive research. In this work we propose an EZW-based compression method for colour images, based on the omission and restoration of wavelet subbands; our method achieves high compression rates and low computation times, combining, therefore, the advantages from both DCT and wavelet based compression algorithms.