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Browse Conference Publications > Image Processing, 1997. Proce ... Help

On the coding performances of DCT based subband decomposition for low contrast images

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3 Author(s)
Benoit-Cattin, H. ; CREATIS, Inst. Nat. des Sci. Appliquees, Villeurbanne, France ; Prost, R. ; Baskurt, A.

In this study, we consider the DCT based subband decomposition and show the efficiency of this approach for low contrast images in comparison to 9-7 bi-orthogonal FIR filters generally used in such a scheme. First, we consider the theoretical coding gain for the two approaches. Afterwards, the distortion versus rate performances are analyzed and the perceptual qualities of the reconstructed images are discussed. Finally, an edge detection operator is applied on the reconstructed images in order to show the robustness of DCT based subband decomposition to post-processing

Published in:
Image Processing, 1997. Proceedings., International Conference on  (Volume:2 )

Date of Conference: 26-29 Oct 1997

Page(s):
617 - 620 vol.2
Meeting Date :
26 Oct 1997-29 Oct 1997
Print ISBN:
0-8186-8183-7
INSPEC Accession Number:
5899948
Conference Location :
Santa Barbara, CA
Digital Object Identifier :
10.1109/ICIP.1997.638847

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