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A Novel Embedded Coding Algorithm Based on the Reconstructed DCT Coefficients

  • Lin-Lin Tang
  • Jeng-Shyang Pan
  • Zhe-Ming Lu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6423)

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 non-embedded 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.

Keywords

image compression embedded wavelet coding algorithm DCT 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Lin-Lin Tang
    • 1
  • Jeng-Shyang Pan
    • 2
  • Zhe-Ming Lu
    • 3
  1. 1.Department of Computer Science and TechnologyHarbin Institute of Technology Shenzhen Graduate SchoolShenzhenChina
  2. 2.Department of Electronic EngineeringNational Kaohsiung University of Applied SciencesKaohsiungTaiwan
  3. 3.School of Aeronautics and AeronauticsZhejiang UniversityHangzhouP.R. China

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