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Further improvement of high‐speed NMR flow‐velocity measurement using a differential phase‐encoding technique
Author(s) -
Kim Y. S.,
Mun C. W.,
Jung K. J.,
Cho Z. H.
Publication year - 1987
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910040310
Subject(s) - encoding (memory) , imaging phantom , subtraction , flow (mathematics) , phase (matter) , nuclear magnetic resonance , flow velocity , differential (mechanical device) , physics , computer science , mathematics , artificial intelligence , optics , mechanics , arithmetic , quantum mechanics , thermodynamics
An NMR imaging technique applicable to high‐velocity flow imaging is described. By subtraction of two phase images obtained by varying the flow‐encoding gradient, it is possible to extract much larger ranges of velocity components. This differential phase‐encoding technique is tested by experiments in a phantom as well as a human volunteer. © 1987 Academic Press, Inc.