A 3-D Multi-modality Image Framework for Left Ventricle Motion Analysis
IMVIP '08 Proceedings of the 2008 International Machine Vision and Image Processing Conference
Visualization of Myocardial Perfusion Derived from Coronary Anatomy
IEEE Transactions on Visualization and Computer Graphics
Registration of 4D Time-Series of Cardiac Images with Multichannel Diffeomorphic Demons
MICCAI '08 Proceedings of the 11th International Conference on Medical Image Computing and Computer-Assisted Intervention, Part II
Computation and visualization of asynchronous behavior of the heart
EG VCBM'08 Proceedings of the First Eurographics conference on Visual Computing for Biomedicine
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The analysis of cardiac dynamics - especially of the left ventricle - is a means for evaluating the healthiness of the heart. In case that a malfunction has been detected and afterwards has been treated, the question arises whether the treatment was successful or not. On a longer time scale, it is of clinical interest to compare the results of follow-up studies with those of former examinations. In this paper, we address both issues by presenting a visualization prototype for the comparison of left ventricular dynamics obtained from cine-MRI data. Our approach is based on the computation of differences for standard cardiac parameters between two time series which have been acquired prior to and after treatment. For their visualization, we use a series of bull's-eye displays allowing for an in-depth examination of the treatment outcome. Here, we focus on the special clinical application ventricular reduction surgery where we perform a retrospective evaluation for cine-MRI data acquired prior to and right after surgery as well as several months later. We compare our results with diagnosis information obtained from clinical experts.