Improved Precision in the Measurement of Longitudinal Global and Regional Volumetric Changes via a Novel MRI Gradient Distortion Characterization and Correction Technique

@inproceedings{Fonov2010ImprovedPI,
  title={Improved Precision in the Measurement of Longitudinal Global and Regional Volumetric Changes via a Novel MRI Gradient Distortion Characterization and Correction Technique},
  author={Vladimir Fonov and Andrew L. Janke and Zografos Caramanos and Douglas L. Arnold and Sridar Narayanan and G. Bruce Pike and D. Louis Collins},
  booktitle={MIAR},
  year={2010}
}
Reducing measurement variability in MRI-based morphometric analysis of human brain structures will increase statistical power to detect changes between groups and longitudinally over time in individual subjects. One source of measurement error in anatomical MR is magnetic field gradientinduced geometric distortion. This work proposes a method to characterize and compensate for these distortions using a novel image processing technique relying on the image acquisition of a phantom with known… CONTINUE READING

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1 Excerpt

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