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CCIA
2009
Springer
13 years 6 months ago
Patch Growing: Object segmentation using spatial coherence of local patches
Object segmentation is a challenging and important problem in computer vision. The difficulties to obtain accurate segmentations using only the traditional Topdown or Bottom-up ap...
Marc Masias, Albert Torrent, Xavier Lladó, ...
ICCV
2009
IEEE
15 years 1 months ago
Action Detection in Complex Scenes with Spatial and Temporal Ambiguities
In this paper, we investigate the detection of semantic human actions in complex scenes. Unlike conventional action recognition in well-controlled environments, action detection...
Yuxiao Hu, Liangliang Cao, Fengjun Lv, Shuicheng Y...
IPMI
2009
Springer
14 years 9 months ago
Joint Bayesian Cortical Sulci Recognition and Spatial Normalization
In this paper, we study the recognition of about 60 sulcal structures over a new T1 MRI database of 62 subjects. It continues our previous work [7] and more specifically extends th...
Matthieu Perrot, Denis Rivière, Alan Tuchol...
WWW
2010
ACM
14 years 3 months ago
Find me if you can: improving geographical prediction with social and spatial proximity
Geography and social relationships are inextricably intertwined; the people we interact with on a daily basis almost always live near us. As people spend more time online, data re...
Lars Backstrom, Eric Sun, Cameron Marlow
DBISP2P
2004
Springer
131views Database» more  DBISP2P 2004»
14 years 1 months ago
Dissemination of Spatial-Temporal Information in Mobile Networks with Hotspots
In this paper we examine the dissemination of reports about resources in mobile networks with hotspots, where hotspots, vehicles and sensors communicate with each other via short-r...
Ouri Wolfson, Bo Xu, Huabei Yin