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ICCV
2009
IEEE
6637views Computer Vision» more  ICCV 2009»
15 years 3 months ago
A Markov Clustering Topic Model for Mining Behaviour in Video
This paper addresses the problem of fully automated mining of public space video data. A novel Markov Clustering Topic Model (MCTM) is introduced which builds on existing Dynami...
Timothy Hospedales, Shaogang Gong, Tao Xiang
ATAL
2009
Springer
14 years 4 months ago
Lossless clustering of histories in decentralized POMDPs
Decentralized partially observable Markov decision processes (Dec-POMDPs) constitute a generic and expressive framework for multiagent planning under uncertainty. However, plannin...
Frans A. Oliehoek, Shimon Whiteson, Matthijs T. J....
ICRA
2007
IEEE
170views Robotics» more  ICRA 2007»
14 years 4 months ago
Space-time A Contrario Clustering for Detecting Coherent Motions
Abstract— This paper presents a method for detecting independent temporally-persistent motion patterns in image sequences. The result is a description of the dynamic content of a...
Thomas Veit, Frédéric Cao, Patrick B...
DCOSS
2007
Springer
14 years 4 months ago
Optimal Cluster Association in Two-Tiered Wireless Sensor Networks
Abstract. In this paper, we study the two-tiered wireless sensor network (WSN) architecture and propose the optimal cluster association algorithm for it to maximize the overall net...
Weizhao Wang, Wen-Zhan Song, Xiang-Yang Li, Kousha...
ICDM
2003
IEEE
112views Data Mining» more  ICDM 2003»
14 years 3 months ago
Privacy-preserving Distributed Clustering using Generative Models
We present a framework for clustering distributed data in unsupervised and semi-supervised scenarios, taking into account privacy requirements and communication costs. Rather than...
Srujana Merugu, Joydeep Ghosh