Spatio-temporal Directional Filtering for Improved Inversion of MR Elastography Images

By Armando Manduca, D. Lake, R. Ehman. International Conference on Medical Image Computing and Computer-Assisted Intervention, 2002

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MAGNETIC RESONANCE ELASTOGRAPHY: A REVIEW (2010, methodology): “Shear wave interference can cause artifacts in the stiffness calculations using several of the above techniques, and a preprocessing technique called directional filtering has been developed to reduce these artifacts (Manduca et al., 2003a).”
Magnetic Resonance Elastography of Liver: Technique, Analysis and Clinical Applications (2013, background): “These quantitatative images typically depict shear stiffness in units of kilopascals (kPa), and may be displayed in a gray scale or with a color scale (36) (Fig.”
Magnetic resonance elastography of the brain (2008, methodology): “Each set of wave images was processed using a set of spatiotemporal filters to decompose the complex wave fields into components propagating in different directions (Manduca et al., 2003).”