Skeleton-based myocardium segmentation

Andre Neubauer; Rainer Wegenkittl

doi:10.1117/12.473945

9 June 2003 Skeleton-based myocardium segmentation

Andre Neubauer, Rainer Wegenkittl

Proceedings Volume 5009, Visualization and Data Analysis 2003; (2003) https://doi.org/10.1117/12.473945
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

Computer-aided analysis of four-dimensional tomography data plays an increasingly vital role in the field of diagnosis and treatment of heart function deficiencies. A key task for understanding the dynamics involved within a recorded cardiac cycle is to segment the acquired data to identify objects of interest, like the heart muscle (or myocardium) and the left ventricle. In this paper, a new robust and fast semi-automatic algorithm for segmentation of the myocardium from a CT data set is presented. The user marks the myocardium by placing a poly-line on one slice of the data volume. This poly-line forms a skeleton representing the cross-section of the myocardium on this slice. The skeleton is then automatically propagated and adjusted to the other slices in order to create a three-dimensional skeleton of the entire heart muscle. Then each voxel is assigned a value which denotes the voxel's connectivity to the skeleton. The boundaries of the myocardium can then be extracted as an iso-surface in the volume of connectivity values.

Citation Download Citation

Andre Neubauer and Rainer Wegenkittl "Skeleton-based myocardium segmentation", Proc. SPIE 5009, Visualization and Data Analysis 2003, (9 June 2003); https://doi.org/10.1117/12.473945

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