Noise Robust Inverse Laplacian Operator Based Reconstruction of Global Elastic Parameters in Magnetic Resonance Elastography.

Keywords

added affected allows although approaches appropriate assess assessment avoids background bias biasing boundary circumvent clinical complex component conditions conjugate consequence considering consistent constant constitution contained contrast coordinates correct denominator denotes density dependence derivatives detection develop direct displacement distinct domain drive elastic elasticity employed entire equation equations field fixed formulate formulation frequency fully generic global gradient harmonic held hepatic imaginary in vivo incorporates increasing influence informatics inherently instable introduced inverse inversion investigation investigations invokes known least lengths linear little mass matrix medicine medium modality modulus much noise noisy normally omitting operator oscillating overdetermined overestimates part particularly performance pixel pixels radiology reads real reason reasonably reconstructed reconstruction recovered regularly related renders required resolution respect retained rewritten sample scalar sensitivity shear similarly simulated simulations soft solve spatially square squares strong strongly studied suffers suggesting system tissue transpose true underestimated underestimates underestimation useful varying vector vibration view viscoelastic wave wavelength wavelengths waves ways whether whole width yields