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213
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PE
2011
Springer
321views Optimization» more  PE 2011»
14 years 9 months ago
Quasi-birth-and-death processes with restricted transitions and its applications
In this paper we identify a class of Quasi-Birth-and-Death (QBD) processes where the transitions to higher (resp. lower) levels are restricted to occur only from (resp. to) a subs...
Juan F. Pérez, Benny Van Houdt
LISP
2008
104views more  LISP 2008»
15 years 2 months ago
On the implementation of automatic differentiation tools
Automatic differentiation is a semantic transformation that applies the rules of differential calculus to source code. It thus transforms a computer program that computes a mathema...
Christian H. Bischof, Paul D. Hovland, Boyana Norr...
ICRA
2002
IEEE
114views Robotics» more  ICRA 2002»
15 years 7 months ago
On Mechanical Control Systems with Nonholonomic Constraints and Symmetries
This paper presents a computationally efficient method for deriving coordinate representations for the equations of motion and the affine connection describing a class of Lagrangi...
Francesco Bullo, Milos Zefran
VLDB
1987
ACM
104views Database» more  VLDB 1987»
15 years 6 months ago
Magic Functions: A Technique to Optimize Extended Datalog Recursive Programs
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
Georges Gardarin
ECCV
2002
Springer
16 years 4 months ago
Normalized Gradient Vector Diffusion and Image Segmentation
Abstract. In this paper, we present an approach for image segmentation, based on the existing Active Snake Model and Watershed-based Region Merging. Our algorithm includes initial ...
Zeyun Yu, Chandrajit L. Bajaj