Abstract #3086
Virtual Phantom (ViP) MRI: a method to generate virtual phantoms that mimic water-fat systems
Roberto Salvati 1,2 , Eric Hitti 1,2 , Jean-Jacques Bellanger 1,2 , Herve Saint-Jalmes 1,2 , and Giulio Gambarota 1,2
1
Universit de Rennes 1, LTSI, Rennes,
France,
2
INSERM,
UMR 1099, Rennes, France
Virtual Phantom (ViP) for Magnetic Resonance Imaging
(MRI) is a method to generate reference signals, without
using physical objects, using an external waveform
generator and an RF coil. In a previous work it was
shown that ViP MRI could substitute agar gel phantoms,
using magnitude images. The aim of the current study was
to test the feasibility of the ViP MRI method to
generate magnitude and phase images that mimic water-fat
systems. To this aim, multi gradient-echo magnitude and
phase images of ViPs and physical phantoms were acquired
for IDEAL (Iterative Decomposition with Echo Asymmetry
and Least squares estimation) reconstruction.
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