A novel embedded coding algorithm based on the reconstructed DCT coefficients

Authors:
Lin-Lin Tang;Jeng-Shyang Pan;Zhe-Ming Lu
Affiliations:
Department of Computer Science and Technology, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, China;Department of Electronic Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan;School of Aeronautics and Aeronautics, Zhejiang University, Hangzhou, P.R. China
Venue:
ICCCI'10 Proceedings of the Second international conference on Computational collective intelligence: technologies and applications - Volume Part III
Year:
2010

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Abstract

As an efficient tool for image compression, wavelet has been widely used in all kinds of image processing areas. Based on the different encoding effects, wavelet compression algorithms can be probably classified into two categories. They are the embedded wavelet coding algorithms and the nonembedded wavelet coding algorithms. For the convenience of producing the anytime cut coding stream and the progressing reconstruction results, the embedded wavelet coding algorithms have been paid more attention in practice. Such as the embedded wavelet coding algorithms, EZW and SPIHT are the outstanding representatives. The only drawback for this wavelet based embedded coding algorithms is the choice of the different wavelet transform base. We propose a novel embedded coding algorithm based on the reconstructed DCT coefficient to avoid the difficulties brought by the choice of wavelet transform base in this paper. The new algorithm's efficiency can be seen from the experimental results.