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Edge characterization in hierarchical subband coding schemes

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2 Author(s)
Maes, S. ; Univ. Catholique de Louvain, Belgium ; Van Droogenbroeck, M.

Presents a general decorrelating algorithm for signals like edges in a hierarchical subband coding scheme. It consists in first analyzing the highest frequency subbands and in predicting the signal in the other bands. The analyzing step should determine the edge orientation and collect information about the evolution in different bands of the signal perpendicular to the edge orientation. A numerical example shows the efficiency of the orientation analysis

Published in:

Image Processing and its Applications, 1992., International Conference on

Date of Conference:

7-9 Apr 1992

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