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» A Perceptually Based Adaptive Sampling Algorithm
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VLDB
2004
ACM
119views Database» more  VLDB 2004»
14 years 7 months ago
Evaluating holistic aggregators efficiently for very large datasets
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
Lixin Fu, Sanguthevar Rajasekaran
VMV
2007
155views Visualization» more  VMV 2007»
13 years 8 months ago
Accurate Computation of Geodesic Distance Fields for Polygonal Curves on Triangle Meshes
We present an algorithm for the efficient and accurate computation of geodesic distance fields on triangle meshes. We generalize the algorithm originally proposed by Surazhsky e...
David Bommes, Leif Kobbelt
GECCO
2006
Springer
156views Optimization» more  GECCO 2006»
13 years 11 months ago
Probabilistic modeling for continuous EDA with Boltzmann selection and Kullback-Leibeler divergence
This paper extends the Boltzmann Selection, a method in EDA with theoretical importance, from discrete domain to the continuous one. The difficulty of estimating the exact Boltzma...
Yunpeng Cai, Xiaomin Sun, Peifa Jia
BIOSIG
2003
140views Biometrics» more  BIOSIG 2003»
13 years 8 months ago
Multifactor Biometric Sketch Authentication
: In this paper we propose a multifactor biometric sketch authentication method based on biometric sketch recognition and a user’s personal knowledge about the sketch‘s content...
Arslan Brömme, Stephan Al-Zubi
CVPR
2008
IEEE
14 years 9 months ago
Visual tracking via incremental Log-Euclidean Riemannian subspace learning
Recently, a novel Log-Euclidean Riemannian metric [28] is proposed for statistics on symmetric positive definite (SPD) matrices. Under this metric, distances and Riemannian means ...
Xi Li, Weiming Hu, Zhongfei Zhang, Xiaoqin Zhang, ...