187 search results - page 18 / 38 » Directional wavelet transforms and frames |
MICAI
2007
Springer
14 years 1 months ago
2007
Springer
The wavelet transform has been used for feature extraction in many applications of pattern recognition. However, in general the learning algorithms are not designed taking into acc...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In this paper we characterize and construct novel oversampled filter banks implementing fusion frames. A fusion frame is a sequence of orthogonal projection operators whose sum can...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper, an effective multiresolution image representation using the combination of 2D quincunx filter bank (FB) and directional wavelet transform (WT) is presented. The pro...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
We present a novel multiscale image representation belonging to the class of multiscale multiplicative decompositions, which we term Poisson-Haar transform. The proposed represent...
ICPR
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper presents a new feature extraction method for iris recognition. Since two dimensional complex wavelet transform (2D-CWT) does not only keep wavelet transform’s propert...