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181
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JSAC
2007
15 years 6 months ago
2007
Abstract— We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e. when the time varying spectral holes sense...
160
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GW
2009
Springer
15 years 4 months ago
2009
Springer
This paper presents a motion attention model that aims at analyzing gesture saliency using context-related information at three different levels. At the first level, motion feature...
236
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
Face recognition is a challenging problem, complicated by variations in pose, expression, lighting, and the passage of time. Significant work has been done to solve each of these...
154
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Human expressive interactions are characterized by an ongoing unfolding of verbal and nonverbal cues. Such cues convey the interlocutor’s emotional state which is continuous and...
233
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IPMI
2001
Springer
16 years 7 months ago
2001
Springer
An efficient adaptive multigrid level set method for front propagation purposes in three dimensional medical image processing and segmentation is presented. It is able to deal with...