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ICIP
2003
IEEE
14 years 3 months ago
Facial feature extraction using topological methods
Automatic facial feature extraction is one of the most important and attempted problems in computer vision. It is a necessary step in face recognition, facial image compression an...
A. Gunduz, Hamid Krim
SDM
2003
SIAM
120views Data Mining» more  SDM 2003»
13 years 11 months ago
Estimation of Topological Dimension
We present two extensions of the algorithm by Broomhead et al [2] which is based on the idea that singular values that scale linearly with the radius of the data ball can be explo...
Douglas R. Hundley, Michael J. Kirby
GD
2008
Springer
13 years 11 months ago
Topology Preserving Constrained Graph Layout
Abstract. Constrained graph layout is a recent generalisation of forcedirected graph layout which allows constraints on node placement. We give a constrained graph layout algorithm...
Tim Dwyer, Kim Marriott, Michael Wybrow
COLING
2010
13 years 5 months ago
Tree Topological Features for Unlexicalized Parsing
As unlexicalized parsing lacks word token information, it is important to investigate novel parsing features to improve the accuracy. This paper studies a set of tree topological ...
Samuel W. K. Chan, Lawrence Y. L. Cheung, Mickey W...
VLSID
2000
IEEE
164views VLSI» more  VLSID 2000»
14 years 2 months ago
A Fast Algorithm for Computing the Euler Number of an Image and its VLSI Implementation
Digital images are convenient media for describing and storing spatial, temporal, spectral, and physical components of information contained in a variety of domains(e.g. aerial/sa...
Sabyasachi Dey, Bhargab B. Bhattacharya, Malay Kum...