593 search results - page 1 / 119 » Nonlinear Approximation and Image Representation using Wavel... |
DAGSTUHL
2007
13 years 6 months ago
2007
We address the problem of finding sparse wavelet representations of high-dimensional vectors. We present a lower-bounding technique and use it to develop an algorithm for computi...
DCC
2004
IEEE
14 years 4 months ago
2004
IEEE
It is well-known that wavelet transforms provide sparse decompositions over many types of image regions but not over image singularities/edges that manifest themselves along curve...
CAIP
2007
Springer
13 years 10 months ago
2007
Springer
ICIP
2008
IEEE
14 years 6 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...
TIP
2011
12 years 11 months ago
2011
The Easy Path Wavelet Transform (EPWT) has recently been proposed by one of the authors as a tool for sparse representations of bivariate functions from discrete data, in particul...