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MTA
2002
144views more  MTA 2002»
15 years 7 months ago
Semantic Extraction and Semantics-Based Annotation and Retrieval for Video Databases
Digital video databases have become more pervasive and finding video clips quickly in large databases becomes a major challenge. Due to the nature of video, accessing contents of v...
Yan Liu 0004, Fei Li
TCOM
2010
110views more  TCOM 2010»
15 years 6 months ago
Joint data QR-detection and Kalman estimation for OFDM time-varying Rayleigh channel complex gains
—This paper deals with the case of a high speed mobile receiver operating in an orthogonal-frequency-divisionmultiplexing (OFDM) communication system. Assuming the knowledge of d...
Hussein Hijazi, Laurent Ros
CDC
2009
IEEE
137views Control Systems» more  CDC 2009»
15 years 5 months ago
Switching time estimation for linear switched systems: an algebraic approach
This paper aims at estimating the switching time for linear switched systems, i.e. the time instant when a sub-model is switched on while another one is switched off. Assuming that...
Yang Tian, Thierry Floquet, Lotfi Belkoura, Wilfri...
CIVR
2009
Springer
132views Image Analysis» more  CIVR 2009»
16 years 2 months ago
Real-time bag of words, approximately
We start from the state-of-the-art Bag of Words pipeline that in the 2008 benchmarks of TRECvid and PASCAL yielded the best performance scores. We have contributed to that pipelin...
Jasper R. R. Uijlings, Arnold W. M. Smeulders, Rem...
347
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POPL
2007
ACM
16 years 8 months ago
Program verification as probabilistic inference
In this paper, we propose a new algorithm for proving the validity or invalidity of a pre/postcondition pair for a program. The algorithm is motivated by the success of the algori...
Sumit Gulwani, Nebojsa Jojic