8581 search results - page 412 / 1717 » Digital Signal Processing |
157
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ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
We derive a new, two-dimensional nonseparable signal transform for computing the spectrum of spatial signals residing on a finite quincunx lattice. The derivation uses the connect...
162
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ICIP
1994
IEEE
16 years 8 months ago
1994
IEEE
The high noise sensitivity of the Wigner distribution makes smoothing a necessity for producing readable time-frequency images of noise corrupted signals. Since h e a r smoothing ...
168
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper presents a blind dereverberation method designed to recover the subband envelope of an original speech signal from its reverberant version. The problem is formulated as...
187
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
Time-frequency representations of audio signals often resemble texture images. This paper derives a simple audio classification algorithm based on treating sound spectrograms as ...
140
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
In this paper, we propose a Bayesian Pursuit algorithm for sparse representation. It uses both the simplicity of the pursuit algorithms and optimal Bayesian framework to determine...