1582 search results - page 134 / 317 » On sparse signal representations |
185
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Due to the nature of an acoustic enclosure, the early part (i.e., direct path and early reflections) of the acoustic echo path is often sparse while the late reverberant part of ...
127
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
High noise robustness has been achieved in speech recognition by using sparse exemplar-based methods with spectrogram windows spanning up to 300 ms. A downside is that a large exe...
171
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ICASSP
2011
IEEE
14 years 10 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...
156
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Varying channel conditions present a difficult problem for many speech technologies such as language identification (LID). Channel compensation techniques have been shown to sig...
241
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Most bioimaging modalities rely on indirect measurements of the quantity under investigation. The image is obtained as the result of an optimization problem involving a physical m...