421 search results - page 31 / 85 » A New Nonstationarity Detector |
74
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ICASSP
2010
IEEE
14 years 10 months ago
2010
IEEE
One of the key problems in cognitive radio (CR) is the detection of primary activity in order to determine which parts of the spectrum are available for opportunistic access. This...
110
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ICCV
2011
IEEE
13 years 9 months ago
2011
IEEE
In this paper, we describe an interest point detector using edge foci. Unlike traditional detectors that compute interest points directly from image intensities, we use normalized...
ECCV
2002
Springer
15 years 11 months ago
2002
Springer
Abstract. Quadrature filters are a well known method of low-level computer vision for estimating certain properties of the signal, as there are local amplitude and local phase. How...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In this paper, we revisit the noise-reduction problem in the time domain and present a way to decompose the ltered speech into two uncorrelated (orthogonal) components: the desire...
TRECVID
2008
14 years 11 months ago
2008
The Informedia team participated in the tasks of Rushes summarization, high-level feature extraction and event detection in surveillance video. For the rushes summarization, our b...