10 search results - page 1 / 2 » Measuring interference in overcomplete signal representation... |
CISS
2008
IEEE
13 years 4 months ago
2008
IEEE
Currently, there is no quantitative way to ascertain how an overcomplete signal representation describes a signal and its features using terms drawn from a dictionary. Though spars...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
HVEI
2010
13 years 6 months ago
2010
Perceptual image distortion measures can play a fundamental role in evaluating and optimizing imaging systems and image processing algorithms. Many existing measures are formulate...
ICASSP
2010
IEEE
13 years 2 months ago
2010
IEEE
The enhancement of speech degraded by non-stationary interferers is a highly relevant and difficult task of many signal processing applications. We present a monaural speech enhan...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
Overcomplete transforms, like the Dual-Tree Complex Wavelet Transform, offer more flexible signal representations than critically-sampled transforms, due to their properties of sh...