10 search results - page 2 / 2 » Measuring interference in overcomplete signal representation... |
ICA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Separation of underdetermined mixtures is an important problem in signal processing that has attracted a great deal of attention over the years. Prior knowledge is requir...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
We propose a new method for imaging sound speed in breast tissue from measurements obtained by ultrasound tomography (UST) scanners. Given the measurements, our algorithm finds a...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Recently we have presented a novel approach for transient noise reduction that relies on non-local (NL) filtering. In this paper, we modify and extend our approach to support clu...
SPEECH
2011
12 years 11 months ago
2011
Most of the existing intelligibility measures do not account for the distortions present in processed speech, such as those introduced by speech-enhancement algorithms. In the pre...
TIT
2010
12 years 11 months ago
2010
Spectral efficiency for asynchronous code division multiple access (CDMA) with random spreading is calculated in the large system limit. We allow for arbitrary chip waveforms and ...