10412 search results - page 1847 / 2083 » The efficiency of algorithms - misconceptions |
133
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TKDE
2008
15 years 4 months ago
2008
Linear and kernel discriminant analyses are popular approaches for supervised dimensionality reduction. Uncorrelated and regularized discriminant analyses have been proposed to ove...
154
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TKDE
2008
15 years 4 months ago
2008
Given a user keyword query, current Web search engines return a list of individual Web pages ranked by their "goodness" with respect to the query. Thus, the basic unit fo...
220
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TKDE
2008
15 years 4 months ago
2008
In this paper, we propose an image semantic model based on the knowledge and criteria in the field of linguistics and taxonomy. Our work bridges the "semantic gap" by sea...
153
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TMI
2008
15 years 4 months ago
2008
Abstract--Radial imaging techniques, such as projection-reconstruction (PR), are used in magnetic resonance imaging (MRI) for dynamic imaging, angiography, and short- 2 imaging. Th...
131
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TMI
2008
15 years 4 months ago
2008
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...