Document Detail


Modeling three-dimensional morphological structures using spherical harmonics.
MedLine Citation:
PMID:  19154365     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Quantifying morphological shape is a fundamental issue in evolutionary biology. Recent technological advances (e.g., confocal microscopy, laser scanning, computer tomography) have made the capture of detailed three-dimensional (3D) morphological structure easy and cost-effective. In this article, we develop a 3D analytic framework (SPHARM-spherical harmonics) for modeling the shapes of complex morphological structures from continuous surface maps that can be produced by these technologies. Because the traditional SPHARM methodology has limitations in several of its processing steps, we present new algorithms for two SPHARM processing steps: spherical parameterization and SPHARM registration. These new algorithms allow for the numerical characterization of a much larger class of 3D models. We demonstrate the effectiveness of the method by applying it to modeling the cerci of Enallagma damselflies.
Authors:
Li Shen; Hany Farid; Mark A McPeek
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2009-10-17
Journal Detail:
Title:  Evolution; international journal of organic evolution     Volume:  63     ISSN:  1558-5646     ISO Abbreviation:  Evolution     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-04-01     Completed Date:  2009-08-11     Revised Date:  2014-09-21    
Medline Journal Info:
Nlm Unique ID:  0373224     Medline TA:  Evolution     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1003-16     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Computer Simulation
Imaging, Three-Dimensional / methods*
Insects / anatomy & histology*
Male
Models, Biological*
Grant Support
ID/Acronym/Agency:
R03 EB008674/EB/NIBIB NIH HHS; R03 EB008674-01/EB/NIBIB NIH HHS; R03EB008674-01/EB/NIBIB NIH HHS
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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