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SIAMDM
2010
140views more  SIAMDM 2010»
15 years 4 months ago
Retractions to Pseudoforests
For a fixed graph H, let Ret(H) denote the problem of deciding whether a given input graph is retractable to H. We classify the complexity of Ret(H) when H is a graph (with loops ...
Tomás Feder, Pavol Hell, Peter Jonsson, And...
SIAMDM
2010
128views more  SIAMDM 2010»
15 years 4 months ago
Permutation Capacities of Families of Oriented Infinite Paths
K¨orner and Malvenuto asked whether one can find n n/2 linear orderings (i.e., permutations) of the first n natural numbers such that any pair of them places two consecutive int...
Graham Brightwell, Gérard D. Cohen, Emanuel...
SIAMIS
2010
123views more  SIAMIS 2010»
15 years 4 months ago
Numerical Algorithms for Polyenergetic Digital Breast Tomosynthesis Reconstruction
Digital tomosynthesis imaging is becoming increasingly significant in a variety of medical imaging applications. Tomosynthesis imaging involves the acquisition of a series of proj...
Julianne Chung, James G. Nagy, Ioannis Sechopoulos
SIAMIS
2010
86views more  SIAMIS 2010»
15 years 4 months ago
Sensitivity Analysis of Multichannel Images Intended for Instantaneous Imaging Spectrometry Applications
This paper presents a sensitivity analysis of using instantaneous multichannel two-dimensional (2D) imaging to achieve instantaneous 2D imaging spectroscopy. A simulated multiple-...
Hamed Hamid Muhammed, Fredrik Bergholm
SIAMIS
2010
92views more  SIAMIS 2010»
15 years 4 months ago
Reconstruction of Thin Tubular Inclusions in Three-Dimensional Domains Using Electrical Impedance Tomography
We consider the inverse problem of reconstructing thin tubular inclusions inside some three-dimensional body from measurements of electrostatic currents and potentials on its bound...
Roland Griesmaier