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EUROGRAPHICS
2010
Eurographics
13 years 10 months ago
Shared Sampling for Real-Time Alpha Matting
Image matting aims at extracting foreground elements from an image by means of color and opacity (alpha) estimation. While a lot of progress has been made in recent years on impro...
Eduardo S. L. Gastal and Manuel M. Oliveira
FUIN
2008
108views more  FUIN 2008»
13 years 9 months ago
Radial View of Continuous Cellular Automata
Continuous cellular automata (or coupled map lattices) are cellular automata where the state of the cells are real values in [0, 1] and the local transition rule is a real function...
Paola Flocchini, Vladimir Cezar
PR
2006
141views more  PR 2006»
13 years 9 months ago
Relaxational metric adaptation and its application to semi-supervised clustering and content-based image retrieval
The performance of many supervised and unsupervised learning algorithms is very sensitive to the choice of an appropriate distance metric. Previous work in metric learning and ada...
Hong Chang, Dit-Yan Yeung, William K. Cheung
CSL
2010
Springer
13 years 7 months ago
Voice activity detection based on statistical models and machine learning approaches
The voice activity detectors (VADs) based on statistical models have shown impressive performances especially when fairly precise statistical models are employed. Moreover, the ac...
Jong Won Shin, Joon-Hyuk Chang, Nam Soo Kim
SASO
2008
IEEE
14 years 3 months ago
Self-Organized Synchronization in Wireless Network
We investigate periodic time synchronization of networks without centralized control, which can be modeled as a problem of aligning local variables taking values on a circle. Sync...
Jiang Yu, Olav Tirkkonen