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DAM
2006
116views more  DAM 2006»
15 years 4 months ago
Using graphs for some discrete tomography problems
Given a rectangular array where entries represent the pixels of a digitalized image, we consider the problem of reconstructing an image from the number of occurrences of each colo...
Marie-Christine Costa, Dominique de Werra, Christo...
DCG
2006
102views more  DCG 2006»
15 years 4 months ago
Three-Dimensional Delaunay Mesh Generation
We propose an algorithm to compute a conforming Delaunay mesh of a bounded domain specified by a piecewise linear complex. Arbitrarily small input angles are allowed, and the inpu...
Siu-Wing Cheng, Sheung-Hung Poon
ENTCS
2006
113views more  ENTCS 2006»
15 years 4 months ago
A Large-Scale Experiment in Executing Extracted Programs
It is a well-known fact that algorithms are often hidden inside mathematical proofs. If these proofs are formalized inside a proof assistant, then a mechanism called extraction ca...
Luís Cruz-Filipe, Pierre Letouzey
ENVSOFT
2006
104views more  ENVSOFT 2006»
15 years 4 months ago
Landscape analysis and simulation shell (Lass)
We present a set of models for simulating vegetation dynamics in disturbance-prone ecosystems with different complexity levels, integrated in a modelling environment for generatin...
Juli G. Pausas, Juan I. Ramos
CEE
2007
67views more  CEE 2007»
15 years 4 months ago
Turbo equalization for block fading MIMO channels using random signal mapping
We present a novel turbo equalization scheme for block fading MIMO channels, where diversity is achieved using random signal mapping. We show that the computational complexity of ...
Richard Demo Souza, Javier Garcia-Frias, Renato da...