File:Calibration; MRI (5940427469).jpg

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Phannie is the first 'phantom' for calibrating magnetic resonance imaging (MRI) machines that is traceable to standardized values. The plastic sphere is about the size of a person's head and filled with 100 smaller spheres used as contrast-enhancing agents and measurement reference markers. NIST researchers in Boulder, Colo., built Phannie and tested it on an MRI scanner at the University of Colorado Brain Imaging Center.

Credit: S. Russek/NIST

Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST.

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Source Calibration; MRI
Author National Institute of Standards and Technology

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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/5940427469. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

7 September 2016

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current02:20, 7 September 2016Thumbnail for version as of 02:20, 7 September 20161,524 × 1,829 (1.39 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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