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Wavefront reconstruction method using the intensity image of phase-shift grating

โœ Scribed by Wenchuan Zhao; Xianyu Su; Qican Zhang; Liqun Xiang


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
652 KB
Volume
48
Category
Article
ISSN
0143-8166

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## Abstract A simple technique is proposed in which a phantom could be used to calibrate an image acquired during an magnetic resonance imaging scan. The method corrects for the effects of nonlinearities in the gradient fields, and in principle does so exactly. The mathematics behind the technique