Document Detail


Validation of a passive stereophotogrammetry system for imaging of the breast: A geometric analysis.
MedLine Citation:
PMID:  21382736     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The overall aim of this study was to assess the accuracy, reproducibility and stability of a high resolution passive stereophotogrammetry system to image a female mannequin torso, to validate measurements made on the textured virtual surface compared with those obtained using manual techniques and to develop an approach to make objective measurements of the female breast. 3D surface imaging was carried out on a textured female torso and measurements made in accordance with the system of mammometrics. Linear errors in measurements were less than 0.5mm, system calibration produced errors of less than 1.0mm over 94% over the surface and intra-rater reliability measured by ICC=0.999. The mean difference between manual and digital curved surface distances was 1.36mm with maximum and minimum differences of 3.15mm and 0.02mm, respectively. The stereophotogrammetry system has been demonstrated to perform accurately and reliably with specific reference to breast assessment.
Authors:
T Catherwood; E McCaughan; E Greer; R A J Spence; S A McIntosh; R J Winder
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-5
Journal Detail:
Title:  Medical engineering & physics     Volume:  -     ISSN:  1873-4030     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422753     Medline TA:  Med Eng Phys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 IPEM. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Health and Rehabilitation Sciences Research Institute, University of Ulster, United Kingdom.
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