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Proceedings Paper

Quantitative error mapping of MR relaxation times
Author(s): Wilburn E. Reddick; Robert J. Ogg
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Paper Abstract

We present statistically based error maps which graphically display the spatial distribution of two computational errors ensuing from quantitative T1 measurements. These computational errors, chi-squared error and coefficient of variation, represent the measures of goodness-of-fit and of the reliability of the fitted parameters, respectively. Visualization of the spatial distribution and assessment of the magnitude of these errors for each pixel allows one to compare and optimize quantitative MR imaging techniques to estimate tissue relaxation parameters and provides clinicians a method to differentiate the unreliable regions. This error mapping technique is demonstrated for a control study of seventy-one healthy volunteers to illustrate the patterns characteristic in these examinations.

Paper Details

Date Published: 8 May 1995
PDF: 5 pages
Proc. SPIE 2432, Medical Imaging 1995: Physics of Medical Imaging, (8 May 1995); doi: 10.1117/12.208332
Show Author Affiliations
Wilburn E. Reddick, St. Jude Children's Research Hospital (United States)
Robert J. Ogg, St. Jude Children's Research Hospital (United States)

Published in SPIE Proceedings Vol. 2432:
Medical Imaging 1995: Physics of Medical Imaging
Richard L. Van Metter; Jacob Beutel, Editor(s)

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