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172
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper studies compressed sensing for the recovery of non-negative sparse vectors from a smaller number of measurements than the ambient dimension of the unknown vector. We fo...
218
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
227
Voted
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
Many real world applications such as sensor networks and other monitoring applications naturally generate probabilistic streams that are highly correlated in both time and space. ...
197
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ICIP
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper presents a bottom-up tracking algorithm for surveillance applications where speed and reliability in the case of multiple matches and occlusions are major concerns. The...
181
Voted
ICIP
2009
IEEE
15 years 4 months ago
2009
IEEE
We propose a fully automatic method for summarizing and indexing unstructured presentation videos based on text extracted from the projected slides. We use changes of text in the ...