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Abstract #3380

Validation of Small Motion Quantification by aMRI Using a Digital Phantom

Zhiyue J Wang1,2 and Youngseob Seo3
1University of Texas Southwestern Medical Center, Dallas, TX, United States, 2Children's Health, Dallas, TX, United States, 3Korea Research Institute of Standards & Science, Daejeon, Republic of Korea

In MRI, small signal intensity changes not perceivable by naked eyes are routinely analyzed to extract valuable information, such as in fMRI. However, a small movement was difficult to detect. Recently, image amplification methods have been introduced for visualizing small sub-pixel motions that are too small to be discerned by naked eyes, based on methods developed for video processing. We use computer simulations to explore the range of parameters for the technique to work optimally.

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