| Electrode position scaling in realistic laplacian computation. | |
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MedLine Citation:
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PMID: 18713701 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This note discusses the effects of the electrode position scaling on the realistic Laplacian (RL) computation. It is shown that when the RL is estimated with the help of Tikhonov regularization and the generalized cross-validation (GCV) criterion, improper electrode position scaling may influence the GCV criterion, which results in the decrease of RL precision. We identify what the proper scaling should be, and we provide a closer examination of how the GCV criterion is affected by the electrode position scaling. |
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Authors:
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Radoslav Bortel; Pavel Sovka |
Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: IEEE transactions on bio-medical engineering Volume: 55 ISSN: 1558-2531 ISO Abbreviation: IEEE Trans Biomed Eng Publication Date: 2008 Sep |
Date Detail:
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Created Date: 2008-08-20 Completed Date: 2008-10-17 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0012737 Medline TA: IEEE Trans Biomed Eng Country: United States |
Other Details:
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Languages: eng Pagination: 2314-6 Citation Subset: IM |
Affiliation:
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Faculty of Electrical Engineering, Czech Technical University, Prague 166 27, Czech Republic. bortelr@feld.cvut.cz |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms* Brain Mapping / instrumentation*, methods* Computer Simulation Diagnosis, Computer-Assisted / methods Electrodes* Electroencephalography / instrumentation*, methods* Humans Models, Neurological* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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