20 search results - page 1 / 4 » A fast transform for acoustic imaging with separable arrays |
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Acoustic imaging is a computationally intensive and ill-conditioned inverse problem, which involves estimating high resolution source distributions with large microphone arrays. I...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Sparse recovery techniques have been shown to produce very accurate acoustic images, significantly outperforming traditional deconvolution approaches. However, so far these propo...
ICMCS
2009
IEEE
13 years 2 months ago
2009
IEEE
Acoustic echoes represent a major source of discomfort in hands free, full-duplex, communication systems. The problem becomes particularly difficult when the loudspeakers are nonl...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Near-field acoustic holography (NAH) is an important acoustic visualization technique which can be implemented efficiently through the fast Fourier transform (FFT). However, whe...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This paper presents a signal processing tool for analyzing and manipulating digitized acoustic wave fields, based on a spatio-temporal extension of the time–frequency represent...