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IPMI
2011
Springer
14 years 10 months ago
Generalized Sparse Regularization with Application to fMRI Brain Decoding
Many current medical image analysis problems involve learning thousands or even millions of model parameters from extremely few samples. Employing sparse models provides an effecti...
Bernard Ng, Rafeef Abugharbieh
CVPR
2012
IEEE
13 years 9 months ago
Discrete texture traces: Topological representation of geometric context
Modeling representations of image patches that are quasi-invariant to spatial deformations is an important problem in computer vision. In this paper, we propose a novel concept, t...
Jan Ernst, Maneesh Kumar Singh, Visvanathan Ramesh
CVPR
2011
IEEE
14 years 10 months ago
Generalized Group Sparse Classifiers with Application in fMRI Brain Decoding
The perplexing effects of noise and high feature dimensionality greatly complicate functional magnetic resonance imaging (fMRI) classification. In this paper, we present a novel f...
Bernard Ng, Rafeef Abugharbieh
VIS
2007
IEEE
128views Visualization» more  VIS 2007»
16 years 7 months ago
Modeling Perceptual Dominance Among Visual Cues in Multilayered Icon-based Scientific Visualizations
ization method is an abstract function that transforms a scientific dataset into a visual representation to facilitate data exploration. In turn, a visualization display is the vis...
Daniel Acevedo, Jian Chen, David H. Laidlaw
GLOBECOM
2007
IEEE
16 years 28 days ago
Non-Cooperative Dynamic Spectrum Access for CDMA Networks
— Recent studies indicate the presence of a significant amount of idle licensed spectrum, in different time periods and geographic locations. Prompted by the latest regulatory ch...
George Alyfantis, Giannis F. Marias, Stathes Hadji...