253 search results - page 5 / 51 » Principal Graphs and Manifolds |
110
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IPAS
2010
14 years 9 months ago
2010
In this paper, we consider facial expression recognition using an unsupervised learning framework. Specifically, given a data set composed of a number of facial images of the same...
120
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CRV
2005
IEEE
15 years 4 months ago
2005
IEEE
We present an approach to recognizing faces with varying appearances which also considers the relative probability of occurrence for each appearance. We propose and demonstrate ex...
AMDO
2006
Springer
15 years 2 months ago
2006
Springer
We present a method to extract principal deformation modes from a set of articulated models describing the human spine. The spine was expressed as a set of rigid transforms that su...
84
Voted
CVPR
2003
IEEE
16 years 1 months ago
2003
IEEE
By mapping a set of input images to points in a lowdimensional manifold or subspace, it is possible to efficiently account for a small number of degrees of freedom. For example, i...
118
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NN
2002
Springer
14 years 10 months ago
2002
Springer
The self-organising map (SOM) has been successfully employed as a nonparametric method for dimensionality reduction and data visualisation. However, for visualisation the SOM requ...