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Abstract #4768

Improving Precision of Arrhythmia-Insensitive Rapid Cardiac T1 Maps using a Non-Local Means Filter

Suvai Gunasekaran1, KyungPyo Hong2, Jeremy Collins2, James Carr2, and Daniel Kim1,2

1Biomedical Engineering, Northwestern University, Chicago, IL, United States, 2Radiology Department, Feinberg School of Medicine, Chicago, IL, United States

Compared with other investigations, images produced from arrhythmia-insensitive rapid (AIR) cardiac T1 mapping pulse sequences contain significant random noise which limits the accuracy of quantitative measurements. Therefore, denoising filters were used to reduce noise present in the images. From our analysis, the non-local means filter was best able to reduce the amount of noise while still maintaining accurate T1 measurement data.

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