Application of Proximal Alternating Linearized Minimization (PALM) and inertial PALM to dynamic 3D CT

Nargiza Djurabekova; Andrew Goldberg; Andreas Hauptmann; David Hawkes; Guy Long; Felix Lucka; Marta Betcke

doi:10.1117/12.2534827

28 May 2019 Application of Proximal Alternating Linearized Minimization (PALM) and inertial PALM to dynamic 3D CT

Nargiza Djurabekova, Andrew Goldberg, Andreas Hauptmann, David Hawkes, Guy Long, Felix Lucka, Marta Betcke

Proceedings Volume 11072, 15th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine; 1107208 (2019) https://doi.org/10.1117/12.2534827
Event: Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2019, Philadelphia, United States

Abstract

The foot and ankle is a complex structure consisting of 28 bones and 30 joints that changes from being completely mobile when positioning the foot on the floor to a rigid closed pack position during propulsion such as when running or jumping. An understanding of this complex structure has largely been derived from cadaveric studies. In vivo studies have largely relied on skin surface markers and multi-camera systems that are unable to differentiate small motions between the bones of the foot. MRI and CT based studies have struggled to interpret functional weight bearing motion as imaging is largely static and non-load bearing. Arthritic diseases of the foot and ankle are treated either by fusion of the joints to remove motion, or joint replacement to retain motion. Until a better understanding of the biomechanics of these joints can be achieved.

Citation Download Citation

Nargiza Djurabekova, Andrew Goldberg, Andreas Hauptmann, David Hawkes, Guy Long, Felix Lucka, and Marta Betcke "Application of Proximal Alternating Linearized Minimization (PALM) and inertial PALM to dynamic 3D CT", Proc. SPIE 11072, 15th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 1107208 (28 May 2019); https://doi.org/10.1117/12.2534827

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