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GIS
2008
ACM
14 years 9 months ago
Detecting basic topological changes in sensor networks by local aggregation
Wireless sensor networks (WSNs) can provide real-time information about geospatial environments, and so have the potential to play an important role in the monitoring of geographi...
Jixiang Jiang, Michael F. Worboys
TCOM
2008
82views more  TCOM 2008»
13 years 8 months ago
Detecting the number of signals in wireless DS-CDMA networks
In this paper, a new information theoretic algorithm is proposed for signal enumeration in DS-CDMA networks. The approach is based on the predictive description length (PDL) of the...
Shahrokh Valaee, Shahram Shahbazpanahi
COMPGEOM
2011
ACM
13 years 5 days ago
Persistence-based clustering in riemannian manifolds
We present a clustering scheme that combines a mode-seeking phase with a cluster merging phase in the corresponding density map. While mode detection is done by a standard graph-b...
Frédéric Chazal, Leonidas J. Guibas,...
ICIP
2006
IEEE
14 years 10 months ago
Automatic Clustering of Faces in Meetings
Meetings are an integral part of business life for any organization. In previous work, we have developed a physical awareness system called CAMEO (Camera Assisted Meeting Event Ob...
Carlos Vallespí, Fernando De la Torre, Manu...
PCM
2007
Springer
150views Multimedia» more  PCM 2007»
14 years 2 months ago
Robust Speaking Face Identification for Video Analysis
We investigate the problem of automatically identifying speaking faces for video analysis using only the visual information. Intuitively, mouth should be first accurately located i...
Yi Wu, Wei Hu, Tao Wang, Yimin Zhang, Jian Cheng, ...