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DEXAW
2009
IEEE
89views Database» more  DEXAW 2009»
15 years 10 months ago
Collaborative Reputation-based Voice Spam Filtering
We propose a collaborative reputation-based voice spam filtering framework. Our approach uses the cumulative online duration of a VoIP user to derive his reputation value. And we l...
Ruishan Zhang, Andrei Gurtov
FGR
2004
IEEE
185views Biometrics» more  FGR 2004»
15 years 10 months ago
Real Time Hand Tracking by Combining Particle Filtering and Mean Shift
Particle filter and mean shift are two successful approaches taken in the pursuit of robust tracking. Both of them have their respective strengths and weaknesses. In this paper, w...
Caifeng Shan, Yucheng Wei, Tieniu Tan, Fréd...
CDC
2009
IEEE
199views Control Systems» more  CDC 2009»
15 years 7 months ago
Towards a local Kalman filter for visual tracking
This paper considers the task of closed curve filtering for visual tracking. Segmentation-based visual tracking strategies provide the closed curve measurements to filter. This pap...
Ibrahima J. Ndiour, Patricio A. Vela
IPL
2007
111views more  IPL 2007»
15 years 6 months ago
Scalable Bloom Filters
Bloom Filters provide space-efficient storage of sets at the cost of a probability of false positives on membership queries. The size of the filter must be defined a priori bas...
Paulo Sérgio Almeida, Carlos Baquero, Nuno ...
ICIP
2005
IEEE
16 years 8 months ago
DCT-domain spatial transcoding using generalized DCT decimation
In this paper, we propose a generalized DCT-domain spatial downscaling scheme to improve the visual quality. We analyze the filtering performances and computational complexities o...
Yuh-Ruey Lee, Chia-Wen Lin