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STOC
2007
ACM
128views Algorithms» more  STOC 2007»
16 years 4 months ago
Iteratively constructing preconditioners via the conjugate gradient method
We consider the problem of solving a symmetric, positive definite system of linear equations. The most well-known and widely-used method for solving such systems is the preconditi...
John Dunagan, Nicholas J. A. Harvey
172
Voted
ISAAC
2009
Springer
168views Algorithms» more  ISAAC 2009»
15 years 11 months ago
On the Camera Placement Problem
We introduce a new probing problem: what is the minimum number of cameras at fixed positions necessary and sufficient to reconstruct any strictly convex polygon contained in a dis...
Rudolf Fleischer, Yihui Wang
ICRA
2007
IEEE
132views Robotics» more  ICRA 2007»
15 years 11 months ago
Image-Based Visual Servoing of the I4R parallel robot without Proprioceptive Sensors
— This paper proposes a method to control an I4R parallel robot by the observation of its legs with a calibrated camera. We show that the control law depends only on the edges of...
Tej Dallej, Nicolas Andreff, Philippe Martinet
IBPRIA
2007
Springer
15 years 10 months ago
Variational Deconvolution of Multi-channel Images with Inequality Constraints
Abstract. A constrained variational deconvolution approach for multichannel images is presented. Constraints are enforced through a reparametrisation which allows a differential g...
Martin Welk, James G. Nagy
ICDE
2006
IEEE
134views Database» more  ICDE 2006»
15 years 10 months ago
Improving Quality of Ontology: An Ontology Transformation Approach
Ontologies are used to give meaning to resources on the Semantic Web and therefore the Semantic Web’s success in integrating and providing interoperability between different sou...
Farhad Mostowfi, Farshad Fotouhi