"In a paper to be published in the journal Magnetic Resonance in Medicine, researchers detail an algorithm they have developed to dramatically speed up the process of producing MRI scans. The algorithm uses information gained from the first contrast scan to help it produce the subsequent images. In this way, the scanner does not have to start from scratch each time it produces a different image from the raw data, but already has a basic outline to work from, considerably shortening the time it takes to acquire each later scan."
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