551 search results - page 92 / 111 » Spectral Analysis |
130
Voted
MOC
2010
14 years 7 months ago
2010
We study H(div) preconditioning for the saddle-point systems that arise in a stochastic Galerkin mixed formulation of the steady-state diffusion problem with random data. The key i...
102
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ICIP
2006
IEEE
16 years 2 months ago
2006
IEEE
Dimensionality reduction, spectral classification and segmentation are the three main problems in hyperspectral image analysis. In this paper we propose a Bayesian estimation appr...
117
Voted
ESANN
2006
15 years 1 months ago
2006
Spectral classification, segmentation and data reduction are the three main problems in hyperspectral image analysis. In this paper we propose a Bayesian estimation approach which ...
98
Voted
MM
1999
ACM
15 years 4 months ago
1999
ACM
A real-time audio segmentation and indexing scheme is presented in this paper. Audio recordings are segmented and classified into basic audio types such as silence, speech, music,...
175
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SPEECH
2011
14 years 7 months ago
2011
Typical speech enhancement methods, based on the short-time Fourier analysis-modification-synthesis (AMS) framework, modify only the magnitude spectrum and keep the phase spectru...