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183
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ICDE
2008
IEEE
16 years 27 days ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
161
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ICPR
2008
IEEE
16 years 27 days ago
2008
IEEE
Nonnegative matrix factorization (NMF) has been shown to be an efficient clustering tool. However, NMF`s batch nature necessitates recomputation of whole basis set for new samples...
190
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ICPR
2008
IEEE
2008
IEEE
Figure-ground discrimination and distortion-tolerant recognition of color characters in scene images
16 years 27 days ago
This paper proposes a new technique of figureground discrimination of color characters in scene images following two steps. The first step is temporary binarization by selecting o...
208
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INFOCOM
2008
IEEE
16 years 26 days ago
2008
IEEE
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...
179
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ISCAS
2008
IEEE
16 years 26 days ago
2008
IEEE
— Long distance, low data-rate UWB communication for sensor network applications requires a highly energy efficient transceiver combined with circuit and system-level optimizati...