Phase difference enhanced imaging method (PADRE), functional image creating method, phase difference enhanced imaging program, phase difference enhanced imaging apparatus, functional image creating apparatus, and magnetic resonance imaging (MRI) apparatus
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United States of America Patent
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Sep 9, 2014
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Dec 15, 2011
app pub date -
Dec 11, 2009
filing date -
Dec 26, 2008
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Abstract
A functional image creating method and a functional image creating apparatus, each enabling rendering of an activated region, are provided. A phase difference image PDr(x) is created using a complex image σr(x) created from an MR signal in an inactive state and a complex image σ′r(x) obtained by filtering the complex image σr(x). A phase difference image PDa(x) is created using a complex image σa(x) created from an MR signal in an active state and a complex image σ′a(x) obtained by filtering the complex image σa(x). Function signal images diff1(x) and diff2(x) are created using the phase difference images PDr(x) and PDa(x), respectively. A magnitude image Mr(x), a magnitude image Ma(x), a standard image, or a morphological image I(x) is masked with the function signal image diff1(x) or diff2(x), thereby a function image I′(x) with an activated region rendered is created.
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