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» The Threshold of Event Simultaneity
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ICASSP
2010
IEEE
13 years 7 months ago
Detecting local semantic concepts in environmental sounds using Markov model based clustering
Detecting the time of occurrence of an acoustic event (for instance, a cheer) embedded in a longer soundtrack is useful and important for applications such as search and retrieval...
Keansub Lee, Daniel P. W. Ellis, Alexander C. Loui
IGARSS
2009
13 years 5 months ago
Comparison of Precipitation Effects in Space-borne X- and Ka-band SAR Imaging
As the operating frequencies of SAR-systems are increasing, the visible distortions due to precipitation in SAR-images are becoming more frequent. This holds especially for the ca...
Andreas Danklmayer, Madhu Chandra
ICCD
2004
IEEE
106views Hardware» more  ICCD 2004»
14 years 4 months ago
Gate Sizing and V{t} Assignment for Active-Mode Leakage Power Reduction
Leakage current is a key factor in IC power consumption even in the active operating mode. We investigate the simultaneous optimization of gate size and threshold voltage to reduc...
Feng Gao, John P. Hayes
GLOBECOM
2007
IEEE
14 years 1 months ago
TCP Performance Analysis over Aggressive Physical Carrier Sensing Based Wireless Local Area Networks
— Aggressive physical carrier sensing (PCS), which improves the spatial reuse efficiency by shrinking the PCS range, is a promising technique to scale high density Wireless Loca...
Zexi Yang, Yanfeng Zhu, Zhisheng Niu, Qian Zhang
P2P
2007
IEEE
107views Communications» more  P2P 2007»
14 years 1 months ago
Bounds on the Performance of P2P Networks Using Tit-for-Tat Strategies
Current P2P systems employ tit-for-tat strategies, where peers only upload when they are simultaneously downloading, to avoid free riding. We derive optimal tit-for-tat strategies...
Dimitri do B. DeFigueiredo, Balaji Venkatachalam, ...