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ALENEX
2003
139views Algorithms» more  ALENEX 2003»
15 years 7 months ago
Interpolation over Light Fields with Applications in Computer Graphics
We present a data structure, called a ray interpolant tree, or RI-tree, which stores a discrete set of directed lines in 3-space, each represented as a point in 4-space. Each dire...
F. Betul Atalay, David M. Mount
AUTOMATICA
2007
75views more  AUTOMATICA 2007»
15 years 6 months ago
Systematic ultimate bound computation for sampled-data systems with quantization
We present a novel systematic method to obtain componentwise ultimate bounds in perturbed sampled-data systems, especially when the perturbations arise due to quantization. The pr...
Hernan Haimovich, Ernesto Kofman, María M. ...
ISBI
2009
IEEE
16 years 25 days ago
Automatic Segmentation of Head Structures on Fetal MRI
Recent improvements of fetal MRI acquisitions now allow threedimensional segmentation of fetal structures, to extract biometrical measures for pregnancy follow-up. Automation of t...
Jérémie Anquez, Elsa D. Angelini, Is...
CDC
2008
IEEE
100views Control Systems» more  CDC 2008»
16 years 15 days ago
A structure preserving minimal representation of a nonlinear port-Hamiltonian system
— In this paper an approach to reduce nonlinear non-observable and non-strongly accessible port-Hamiltonian systems to an observable and strongly accessible portHamiltonian syste...
Jacquelien M. A. Scherpen, Arjan van der Schaft
PIMRC
2008
IEEE
16 years 12 days ago
A hierarchical structure based coverage repair in wireless sensor networks
—In this paper, we propose a new control method to cover “holes” in wireless sensor networks. Many applications often face the problem of holes when some sensor nodes are dis...
Jie Wu, Zhen Jiang