3D cardiac motion recovery system using tagged MR images

Details 3D cardiac motion recovery system using tagged MR images 3D cardiac motion recovery system using tagged MR images

1996-09-30

1999-07-13

Johns, Andrew W.

Image analysis

Applications

Biomedical applications

600416, G06K 900, C07C 1500

Patent

active

059237708

ABSTRACT:
A system for recovering cardiac motion includes an overall model, a geodesic-like prismoidal tessellation of the model and constant volume constraints. The overall model includes local deformations and a scaleable default model having a global component and parametric offsets. The offsets provide two features. First, they help to form an expected model shape which facilitates appropriate model data correspondences. Second, they scale with the global component to maintain the expected shape even in the presence of large global deformations. The system is applied to the recovery of 3-D cardiac motion from a volunteer dataset of tagged-MR images.

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patent: 5517602 (1996-05-01), Natarajan
patent: 5570430 (1996-10-01), Sheehan et al.
patent: 5689577 (1997-11-01), Arata

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