1594 search results - page 108 / 319 » Sampling and Reconstruction of Operators |
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
A parallel structure to do spectrum sensing in Cognitive Radio (CR) at sub-Nyquist rate is proposed. The structure is based on Compressed Sensing (CS) that exploits the sparsity o...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
We introduce a multicomponent invertible AM-FM image transform and use it to define new nonlinear AM-FM filters for performing modulation domain image processing. The key elemen...
ECCV
2010
Springer
14 years 26 days ago
2010
Springer
As it has been noted several times in literature, the difficult part of autocalibration efforts resides in the structural non-linearity of the search for the plane at infinity. I...
NIPS
2001
13 years 9 months ago
2001
We suggest a nonparametric framework for unsupervised learning of projection models in terms of density estimation on quantized sample spaces. The objective is not to optimally re...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
This paper addresses the problem of the interpolation of 2-d spherical signals from non-uniformly sampled and noisy data. We propose a graph-based regularization algorithm to impr...