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TSMC
2008
148views more  TSMC 2008»
15 years 7 months ago
Stratification Approach for 3-D Euclidean Reconstruction of Nonrigid Objects From Uncalibrated Image Sequences
Abstract--This paper addresses the problem of 3-D reconstruction of nonrigid objects from uncalibrated image sequences. Under the assumption of affine camera and that the nonrigid ...
Guanghui Wang, Q. M. Jonathan Wu
PKDD
2010
Springer
179views Data Mining» more  PKDD 2010»
15 years 5 months ago
Learning an Affine Transformation for Non-linear Dimensionality Reduction
The foremost nonlinear dimensionality reduction algorithms provide an embedding only for the given training data, with no straightforward extension for test points. This shortcomin...
Pooyan Khajehpour Tadavani, Ali Ghodsi
CORR
2010
Springer
128views Education» more  CORR 2010»
15 years 7 months ago
Sublinear Optimization for Machine Learning
Abstract--We give sublinear-time approximation algorithms for some optimization problems arising in machine learning, such as training linear classifiers and finding minimum enclos...
Kenneth L. Clarkson, Elad Hazan, David P. Woodruff
IPL
2007
79views more  IPL 2007»
15 years 7 months ago
Uniform metrical task systems with a limited number of states
We give a randomized algorithm (the ”Wedge Algorithm”) of competitiveness 3 2 Hk − 1 2k for any metrical task system on a uniform space of k points, for any k ≥ 2, where H...
Wolfgang W. Bein, Lawrence L. Larmore, John Noga
ICMCS
2005
IEEE
120views Multimedia» more  ICMCS 2005»
16 years 1 months ago
KPYR: An Efficient Indexing Method
Motivated by the needs for efficient indexing structures adapted to real applications in video database, we present a new indexing structure named Kpyr. In Kpyr, we use a clusteri...
Thierry Urruty, Fatima Belkouch, Chabane Djeraba