10539 search results - page 1738 / 2108 » On L |
143
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JCC
2007
15 years 6 months ago
2007
: The role of radial nodes, or of their absence, in valence orbitals for chemical bonding and periodic trends is discussed from a unified viewpoint. In particular, we emphasize th...
149
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TMI
2008
15 years 6 months ago
2008
Abstract--Adaptive imaging systems alter their dataacquisition configuration or protocol in response to the image information received. An adaptive pinhole SPECT system might acqui...
151
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TMI
2008
15 years 6 months ago
2008
We introduce a novel algorithm for the design of fast slice-selective spatially-tailored magnetic resonance imaging (MRI) excitation pulses. This method, based on sparse approximat...
195
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TMI
2008
15 years 6 months ago
2008
Abstract-- We present a new method for automatic segmentation of heterogeneous image data that takes a step toward bridging the gap between bottom-up affinity-based segmentation me...
184
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TMM
2008
15 years 6 months ago
2008
Object recognition and content-based image retrieval systems rely heavily on the accurate and efficient identification of shapes. A fundamental requirement in the shape analysis p...