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» Fractal Algorithm for Finding Global Optimal Solution
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ICCV
1999
IEEE
15 years 2 months ago
Camera Calibration and the Search for Infinity
This paper considers the problem of self-calibration of a camera from an image sequence in the case where the camera's internal parameters (most notably focal length) may cha...
Richard I. Hartley, Lourdes de Agapito, Ian D. Rei...
ICDE
2005
IEEE
113views Database» more  ICDE 2005»
15 years 11 months ago
On the Optimal Ordering of Maps and Selections under Factorization
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...
Thomas Neumann, Sven Helmer, Guido Moerkotte
EDBT
2008
ACM
159views Database» more  EDBT 2008»
15 years 10 months ago
Automaton in or out: run-time plan optimization for XML stream processing
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
Hong Su, Elke A. Rundensteiner, Murali Mani
ARTCOM
2009
IEEE
15 years 4 months ago
An Efficient Bidirectional Frame Prediction Using Particle Swarm Optimization Technique
—This paper presents a Novel Bidirectional motion estimation technique, which is based on the Particle swarm optimization algorithm. Particle swarm optimization (PSO) is a popula...
D. Ranganadham, Pavan Kumar Gorpuni
GECCO
2008
Springer
137views Optimization» more  GECCO 2008»
14 years 11 months ago
Evolutionary path planner for UAVs in realistic environments
This paper presents a path planner for Unmanned Air Vehicles (UAVs) based on Evolutionary Algorithms (EA) that can be used in realistic risky scenarios. The path returned by the a...
Jesús Manuel de la Cruz, Eva Besada-Portas,...