7058 search results - page 825 / 1412 » Modelling Business Process Performance |
189
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
—To maintain the performance of direction-of-arrival (DOA) estimation, an accurate model of the array response is required. In a time-varying sensor environment, this is only pos...
209
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Received signal strength (RSS)-based single source localization when there is not a prior knowledge about the transmit power of the source is investigated. Because of nonconvex be...
170
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Traditionally, the use of untranscribed speech has been restricted to unsupervised or semi-supervised training of acoustic models. Comparison of recognizers has required labeled d...
162
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
For the task of detecting shouted speech in a noisy environment, this paper introduces a system based on mel frequency cepstral coefficient (MFCC) feature extraction, unsupervise...
145
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper we consider the problem of detecting multiple point-like targets in the presence of steering vector mismatches and Gaussian disturbance with unknown covariance matri...