76 search results - page 7 / 16 » Nonlinear Dimensionality Reduction using Approximate Nearest... |
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COMPGEOM
2005
ACM
14 years 11 months ago
2005
ACM
We present a near linear time algorithm for constructing hierarchical nets in finite metric spaces with constant doubling dimension. This data-structure is then applied to obtain...
WACV
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper we present the results of a comparative study of linear and kernel-based methods for face recognition. The methods used for dimensionality reduction are Principal Co...
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CVPR
2004
IEEE
15 years 11 months ago
2004
IEEE
Weighted graph matching is a good way to align a pair of shapes represented by a set of descriptive local features; the set of correspondences produced by the minimum cost matchin...
WCE
2007
14 years 10 months ago
2007
—Networks of coupled dynamical systems exhibit many interesting behaviours such as spatio-temporal chaos, pattern formation and synchronization. Such networks can be used to mode...
CVPR
2010
IEEE
15 years 5 months ago
2010
IEEE
We introduce a parametric version (pDRUR) of the recently proposed Dimensionality Reduction by Unsupervised Regression algorithm. pDRUR alternately minimizes reconstruction error ...