Automated quantification of cardiac short-axis multi-slice CT images for assessment of left ventricular global function

Mikhail G. Danilouchkine; Faiza Admiraal-Behloul; Rob J. van der Geest; Boudewijn P. F. Lelieveldt; Johan Hans C. Reiber

doi:10.1117/12.584637

29 April 2005 Automated quantification of cardiac short-axis multi-slice CT images for assessment of left ventricular global function

Mikhail G. Danilouchkine, Faiza Admiraal-Behloul, Rob J. van der Geest, Boudewijn P. F. Lelieveldt, Johan Hans C. Reiber

Author Affiliations +

Proceedings Volume 5747, Medical Imaging 2005: Image Processing; (2005) https://doi.org/10.1117/12.584637
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

This paper describes a method for automatic contour detection in reformatted short-axis (SA) cardiac computed tomography (CT) using a virtual exploring robot. The robot is a tricycle with a steering front wheel. Its motion obeys a set of kinematic equations and is subject to the non-holonomic constraints. The robot is designed to navigate in the binary representation of a cardiac image, consisting of the allowed navigational and obstacle spaces. It is initially positioned inside the allowed navigational space. Avoiding obstacles, the robot autonomously cruises through the navigational space and collects information about the location of the left ventricular (LV) boundaries. Consequently, the obtained information is used to reconstruct the endocardial and epicardial contours. Validation of the method was performed on in-vivo multislice multiphase short-axis cardiac CT images of ten subjects. Results showed good correlation between the quantitative parameters, computed from manual and automatic segmentation: for end-diastolic volume (EDV) r=0.99, for end-systolic volume (ESV) r=0.98, ejection fraction (EF) r=0.83, and LV mass (LVM) r=0.95.

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Mikhail G. Danilouchkine, Faiza Admiraal-Behloul, Rob J. van der Geest, Boudewijn P. F. Lelieveldt, and Johan Hans C. Reiber "Automated quantification of cardiac short-axis multi-slice CT images for assessment of left ventricular global function", Proc. SPIE 5747, Medical Imaging 2005: Image Processing, (29 April 2005); https://doi.org/10.1117/12.584637

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