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Phase contradiction detection method and apparatus, phase contradiction elimination method and apparatus, and magnetic resonance imaging apparatus
Phase contradiction detection method and apparatus, phase contradiction elimination method and apparatus, and magnetic resonance imaging apparatus
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机译:相位矛盾检测方法和设备,相位矛盾消除方法和设备以及磁共振成像设备
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摘要
PROBLEM TO BE SOLVED: To realize a method and a unit to detect local phase contradiction on a two-dimensional phase map, a method and a unit to dissolve the local phase contradiction on the two-dimensional phase map, and a magnetic resonance imaging unit equipped with a unit like that. SOLUTION: Phase unwrapping between neighboring data in the order of turns by local data map on a two-dimensional phase map is consecutively carried out (924), phase difference between data at the starting point and the ending point specifies a local data matrix over a prescribed threshold value (926, 928), the two-dimensional phase map is averaged limiting in a prescribed area including data of the local data matrix.
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