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Dynamic tomography

tomographie dynamiqueIn this project we want to compensate efficiently and analytically patient movement or organ deformations (such as cardiac movement) during scanner acquisitions. We proposed efficient acquisition protocol and analytical and fast Filtered Back-Projection methods that take care exactly for affine deformations in 2D parallel and fan-beam 2D+time dynamic tomography.


- S. Roux, L. Desbat, A. Koenig, and P. Grangeat. Exact reconstruction in 2D dynamic CT: compensation of time-dependent affine deformations. Phys. Med. Biol., 49(11):2169-82, 2004.

- S. Roux, L. Desbat, A. Koenig, and P. Grangeat. Efficient acquisition for perdiodic dynamic CT. IEEE trans. Nucl. Sci., 50(5):1672_1677, 2003.

Collaborations : CEA Grenoble (Pierre Grangeat, Anne Koennig)

Status and perspectives: we work on much larger classes of deformations for application in cardiac CT and 3D+T tomography.

More information:

Contact :

Laboratoire TIMC-IMAG, Domaine de la Merci, 38706 La Tronche Cedex

Grenoble INP
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