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14 April 1989 On-The-Job Calibration Of Tomodensitometric Systems - A Case Study
Sanjib K. Ghosh, Mohamed Bougouss
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Proceedings Volume 1030, Biostereometrics '88; (1989) https://doi.org/10.1117/12.950483
Event: Biostereometrics '88: Spatial and Spatiotemporal Analysis of Biological Form and Function, 1988, Basel, Switzerland
Abstract
A new method of calibrating tomodensitometric systems developed at Laval Univer-sity is described. This is based on the basic concept that each image represents parallel projection geometry for the sectional plane it represents. Scale affinity and inherent distortions are mathematically modeled. A series of parallel consecutive images taken of object placed in a specially designed plastic cube gives a cost-effective solution. The obtained results indicate a standard error of around ± 0.2 μm in each of three dimensions.
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Sanjib K. Ghosh and Mohamed Bougouss "On-The-Job Calibration Of Tomodensitometric Systems - A Case Study", Proc. SPIE 1030, Biostereometrics '88, (14 April 1989); https://doi.org/10.1117/12.950483
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KEYWORDS
Calibration
Data acquisition
Computing systems
Lead
Biostereometrics
Cameras
Imaging systems
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