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» Discrete Skeleton Evolution
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CVPR
2012
IEEE
12 years 7 days ago
View invariant human action recognition using histograms of 3D joints
In this paper, we present a novel approach for human action recognition with histograms of 3D joint locations (HOJ3D) as a compact representation of postures. We extract the 3D sk...
Lu Xia, Chia-Chih Chen, J. K. Aggarwal
COMPGEOM
2009
ACM
14 years 4 months ago
Diameter of polyhedra: limits of abstraction
of Polyhedra: Limits of Abstraction Friedrich Eisenbrand∗ Nicolai Hähnle† Alexander Razborov‡ Thomas Rothvoߧ September 25, 2009 tigate the diameter of a natural abstract...
Friedrich Eisenbrand, Nicolai Hähnle, Thomas ...
PRL
1998
152views more  PRL 1998»
13 years 9 months ago
A 3D 6-subiteration thinning algorithm for extracting medial lines
Thinning is a frequently used method for extracting skeletons in discrete spaces. This paper presents an efficient parallel Žthinning algorithm that directly extracts medial line...
Kálmán Palágyi, Attila Kuba
GECCO
2007
Springer
168views Optimization» more  GECCO 2007»
14 years 4 months ago
Evolved transforms surpass the FBI wavelet for improved fingerprint compression and reconstruction
This paper describes the evolution of new wavelet and scaling numbers for optimized transforms that consistently outperform the 9/7 discrete wavelet transform (DWT) for fingerprin...
Brendan J. Babb
SIAMAM
2008
121views more  SIAMAM 2008»
13 years 9 months ago
A Level Set Approach to Anisotropic Surface Evolution with Free Adatoms
We variationally derive a thermodynamically consistent model for surface evolution under the influence of free adatoms. The resulting system of nonlinear partial differential equat...
Christina Stöcker, Axel Voigt