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pubmed-article:8459699pubmed:abstractTextA refinement to a previously described three-dimensional reconstruction algorithm based on point identification in calibrated non-orthogonal radiograms (stereo-pairs) is described. The modification involves a computation of the focal point magnitude of the point in three dimensions, analogous to focusing in two dimensions, as well as the most likely location of the target point in 3-space; the focal point magnitude may be thought of as the precision of the point identification. Multiple observer studies of the same stereopair can be used to estimate three-dimensional reconstruction accuracy by providing an average location and a mean distance from average. Both measures are useful parameters for initial selection of bone landmark references and for error propagation studies.lld:pubmed
pubmed-article:8459699pubmed:languageenglld:pubmed
pubmed-article:8459699pubmed:journalhttp://linkedlifedata.com/r...lld:pubmed
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pubmed-article:8459699pubmed:statusMEDLINElld:pubmed
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pubmed-article:8459699pubmed:issn0141-5425lld:pubmed
pubmed-article:8459699pubmed:authorpubmed-author:BryantJ TJTlld:pubmed
pubmed-article:8459699pubmed:authorpubmed-author:SmallC FCFlld:pubmed
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pubmed-article:8459699pubmed:volume15lld:pubmed
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pubmed-article:8459699pubmed:pagination163-6lld:pubmed
pubmed-article:8459699pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:8459699pubmed:year1993lld:pubmed
pubmed-article:8459699pubmed:articleTitleOptimized 3D coordinate reconstruction from paired stereographs using a calibrated phantom.lld:pubmed
pubmed-article:8459699pubmed:affiliationClinical Mechanics Group, Queen's University, Kingston, Ontario, Canada.lld:pubmed
pubmed-article:8459699pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:8459699pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed