191 search results - page 15 / 39 » Comparing segmentations by applying randomization techniques |
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We introduce a regularized kernel-based rule for unsupervised change detection based on a simpler version of the recently proposed kernel Fisher discriminant ratio. Compared to ot...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
We address the feature selection problem for hidden Markov models (HMMs) in sequence classification. Temporal correlation in sequences often causes difficulty in applying featur...
TIP
2002
13 years 7 months ago
2002
An unsupervised classification algorithm is derived by modeling observed data as a mixture of several mutually exclusive classes that are each described by linear combinations of i...
ICIP
2008
IEEE
14 years 1 months ago
2008
IEEE
In the area of depth estimation from images an interesting approach has been structure recovery from defocus cue. Towards this end, there have been a number of approaches [4, 6]. ...
CEC
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract-- In this paper, a segmentation technique of multispectral magnetic resonance image of the brain using a new differential evolution based crisp clustering is proposed. Rea...