510 search results - page 2 / 102 » Gradient Estimation Revitalized |
119
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TMI
2010
14 years 9 months ago
2010
Diffusion Kurtosis Imaging (DKI) is a new magnetic resonance imaging model that describes the non-Gaussian diffusion behavior in tissues. It has recently been shown that DKI param...
106
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CEC
2009
IEEE
15 years 10 months ago
2009
IEEE
Abstract— The role of gradient estimation in global optimization is investigated. The concept of a regional gradient is introduced as a tool for analyzing and comparing different...
109
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ICIP
2009
IEEE
15 years 26 days ago
2009
IEEE
In this paper a novel direction adaptive super-resolution (SR) image reconstruction method is proposed. The proposed maximum a-posteriori (MAP) based estimator uses gradient direc...