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SIGPRO
2010
14 years 11 months ago
2010
This short note studies a variation of the Compressed Sensing paradigm introduced recently by Vaswani et al., i.e. the recovery of sparse signals from a certain number of linear m...
109
Voted
CIKM
2011
Springer
14 years 24 days ago
2011
Springer
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
131
Voted
SIGMOD
2004
ACM
16 years 29 days ago
2004
ACM
We are inevitably moving into a realm where small and inexpensive wireless devices would be seamlessly embedded in the physical world and form a wireless sensor network in order t...
84
Voted
DCC
2002
IEEE
16 years 12 days ago
2002
IEEE
Conventional digital video playback systems provide only limited user interactivity, mostly in the form of VCRlike controls such as fast forward/backward, slow motion, pause/stop,...
97
Voted
ICASSP
2009
IEEE
15 years 7 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 ...