89 search results - page 13 / 18 » Unsupervised Clustering using Multi-Resolution Perceptual Gr... |
AUSDM
2007
Springer
14 years 5 months ago
2007
Springer
This paper reports the results of feature reduction in the analysis of a population based dataset for which there were no specific target variables. All attributes were assessed a...
SDM
2007
SIAM
14 years 9 days ago
2007
SIAM
Many clustering algorithms have been proposed to partition a set of static data points into groups. In this paper, we consider an evolutionary clustering problem where the input d...
BCS
2008
14 years 10 days ago
2008
In this work, a new algorithm is proposed for fast estimation of nonparametric multivariate kernel density, based on principal direction divisive partitioning (PDDP) of the data s...
ECCV
2006
Springer
14 years 2 months ago
2006
Springer
Abstract. In this paper, we describe an unsupervised learning framework to segment a scene into semantic regions and to build semantic scene models from longterm observations of mo...
AVSS
2007
IEEE
14 years 5 months ago
2007
IEEE
Perspective deformations on the image plane make the analysis of object behaviors difficult in surveillance video. In this paper, we improve the results of trajectory-based scene...