917 search results - page 143 / 184 » A Classification Approach to Word Prediction |
131
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SIAMSC
2008
15 years 3 months ago
2008
In infrared astronomy, an observed image from a chop and nod process can be considered as the result of passing the original image through a highpass filter. Here we propose a rest...
143
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SIAMSC
2008
15 years 3 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
103
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SIAMSC
2008
15 years 3 months ago
2008
We show how to derive time implicit formulations of relaxation schemes for the Euler equations for real materials in several space dimensions. In the fully time explicit setting, t...
120
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SIAMSC
2008
15 years 3 months ago
2008
A novel approach to the X-ray tomography problem with sparse projection data is proposed. Non-negativity of the X-ray attenuation coefficient is enforced by modelling it as max{(x)...
167
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SIAMSC
2008
15 years 3 months ago
2008
A model-constrained adaptive sampling methodology is proposed for reduction of large-scale systems with high-dimensional parametric input spaces. Our model reduction method uses a ...