12 search results - page 2 / 3 » Texture analysis using adaptive biorthogonal wavelet packets |
ICIP
2009
IEEE
13 years 3 months ago
2009
IEEE
This article introduces a best basis search algorithm in a nonstationary (NS) wavelet packets dictionary. It computes an optimized labeled quad-tree that indexes the filters used ...
ICIP
2001
IEEE
14 years 7 months ago
2001
IEEE
Simple wavelet and wavelet packet transforms have often been used for texture characterisation through the analysis of spatial-frequency content. However, most previous methods ma...
ICMCS
1999
IEEE
13 years 9 months ago
1999
IEEE
In this paper, we propose a novel scheme for automatic and fast detection of human faces in color images where the number, the location, the orientation and the size of the faces ...
TSP
2008
13 years 5 months ago
2008
The two-band discrete wavelet transform (DWT) provides an octave-band analysis in the frequency domain, but this might not be "optimal" for a given signal. The discrete w...
TIT
2002
13 years 5 months ago
2002
Various wavelet-based estimators of self-similarity or long-range dependence scaling exponent are studied extensively. These estimators mainly include the (bi)orthogonal wavelet e...