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Proceedings Paper

New techniques for subband/wavelet transform coefficient coding applied to still image compression
Author(s): Emmanuel Reusens; Touradj Ebrahimi
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Paper Abstract

New techniques for redundancy removal of quantized coefficients of a wavelet transform are discussed. Several strategies are developed to improve the redundancy reduction stage in subband/wavelet based image compression. The influence of the scanning path in coding the coefficients of the subbands after transformation are pointed out and solutions are proposed for exploiting the correlation between the coefficients in a more efficient way. New methods are also proposed to encode the address of non zero coefficients using blocks in both lossy and lossless approach. Simulations show a better performance of the proposed techniques when compared to classical methods, while maintaining an efficient implementation complexity.

Paper Details

Date Published: 12 January 1993
PDF: 14 pages
Proc. SPIE 1771, Applications of Digital Image Processing XV, (12 January 1993); doi: 10.1117/12.139090
Show Author Affiliations
Emmanuel Reusens, Swiss Federal Institute of Technology (Switzerland)
Touradj Ebrahimi, Swiss Federal Institute of Technology (Switzerland)

Published in SPIE Proceedings Vol. 1771:
Applications of Digital Image Processing XV
Andrew G. Tescher, Editor(s)

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