Abstract #2500
Fast reconstruction of highly-undersampled dynamic MRI using random sampling and manifold interpolation
Kanwal K Bhatia 1 , Anthony N Price 2,3 , Joseph V Hajnal 2,3 , and Daniel Rueckert 1
1
Biomedical Image Analysis Group, Imperial
College London, London, United Kingdom,
2
Centre
for the Developing Brain, Kings College London, London,
United Kingdom,
3
Biomedical Engineering
Department, Kings College London, London, United Kingdom
This work describes an algorithm for fast dynamic MRI
reconstruction based on random sampling and
manifold-based interpolation. Results are demonstrated
on both cardiac real-time and cardiac cine MRI, showing
how the proposed algorithm performs at varying
undersampling rates. The algorithm is fast,
reconstructing 200 frames of real-time MRI in under 60
seconds, and can also be used as an initialisation to
speed up convergence of more complex compressed sensing
strategies.
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