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Abstract #1622

Spatial Fuzzy C-Means thresholding for semi-automated calculation of percentage lung ventilated volume from hyperpolarised gas and 1H MRI

Paul J.C. Hughes1, Helen Marshall1, Felix C. Horn1, Guilhem J. Collier1, and Jim M. Wild1

1Academic Unit of Radiology, University of Sheffield, Sheffield, United Kingdom

Automating image analysis is key to accelerate quantitative image metric calculation and increase consistency between observers. This work presents a custom-built software to calculate percentage lung ventilated volume (%VV) from hyperpolarised gas and 1H MRI using spatial fuzzy c-means thresholding. The software developed reduced analysis time and user input resulting in significantly decreased interobserver variability when postprocessing image data.

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