6251 search results - page 275 / 1251 » Randomness, Computability, and Density |
163
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WCE
2007
15 years 7 months ago
2007
Abstract— Common MRI sampling patterns in kspace, such as spiral trajectories, have nonuniform density and do not lie on a rectangular grid. We propose mapping the sampled data t...
176
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JMLR
2008
15 years 6 months ago
2008
We introduce a computationally feasible, "constructive" active learning method for binary classification. The learning algorithm is initially formulated for separable cl...
135
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ICIP
2010
IEEE
15 years 4 months ago
2010
IEEE
We present a new descriptor and feature matching solution for omnidirectional images. The descriptor builds on the log-polar planar descriptors, but adapts to the specific geometr...
179
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TC
2011
15 years 1 months ago
2011
—Single and double scalar multiplications are the most computational intensive operations in elliptic curve based cryptosystems. Improving the performance of these operations is ...
160
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Maximum likelihood estimators are often of limited practical use due to the intensive computation they require. We propose a family of alternative estimators that maximize a stoch...