Abstract #1277

Bidirectional Filtering for Psoas Major Muscle Magnetic Resonance Elastography

Surendra Maharjan¹, Tomokazu Numano¹, Tetsushi Habe¹, Daiki Ito¹, Takamichi Ueki¹, Keisuke Igarashi¹, and Toshiki Maeno¹

¹Radiological Sciences, Tokyo Metropolitan University, Tokyo, Japan

The purpose of this present work was to apply bidirectional spatio-temporal image filtering in the preferential direction of shear wave propagation in psoas major muscle Magnetic Resonance Elastography. The results suggested there was improvement in the wave propagation by using combined gaussian bandpass (GBP) and bidirectional filter in compared to GBP only. The calculation of local frequency estimate (LFE) stiffness value of PM muscle was not changed by applying the bidirectional filter.

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