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163
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
We propose novel algorithms for organizing large image and video datasets using both the visual content and the associated sideinformation, such as time, location, authorship, and...
166
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
In recent work, we studied the problem of causally reconstructing time sequences of spatially sparse signals, with unknown and slow time-varying sparsity patterns, from a limited ...
176
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper presents a blind subspace-based tracking scheme for precoded MIMO-OFDM systems over rapidly time-varying wireless channels. Subspace-based tracking is normally consider...
177
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
Background subtraction is a crucial step in many automatic video content analysis applications. While numerous acceptable techniques have been proposed so far for background extra...
158
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper proposes a method for adaptive speech dereverberation and speaker-position change detection, which have not previously been addressed. Signal transmission channels in r...