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has been cited by the following article:

• TITLE: Phase Unwrapping in Magnetic Resonance Elastography

  AUTHORS: Surendra Maharjan, Tomokazu Numano, Tetsushi Habe, Daiki Ito, Takamichi Ueki, Keisuke Igarashi, Toshiki Maeno

  KEYWORDS: Phase Unwrapping, Magnetic Resonance Elastography, Minimum Discontinuity, Laplacian-Based Estimate, Region Growing, Dilate-Erode Propagate

  JOURNAL NAME: Open Journal of Medical Imaging, Vol.8 No.4, December 28, 2018

  ABSTRACT: Phase Unwrapping (PU) is an ill-posed problem in Magnetic Resonance Elastography (MRE). The phase information is not usable until the phases are retrieved by using PU algorithms. In this present study, we attempt to determine the ideal PU method for MRE using both phantom and volunteer psoas major (PM) muscle images. All the MRE experiments were carried out in Philips MRI (Achieva 3.0 T, Best, The Netherlands). A multi-echo gradient-echo MRE pulse sequence was employed and the four PU methods were considered based on their easy user platform. They are namely, Minimum Discontinuity (MD), Laplacian-Based Estimate (LBE), Region Growing (RG) and Dilate-Erode (DE) Propagate. Phantom images were successfully unwrapped by all four methods, whereas MD and LBE could only unwrap PM muscle images properly. RG and DE failed to unwrap the PM muscle images.