Fast automatic detection of calcified coronary lesions in 3d cardiac CT images

Authors:
Sushil Mittal;Yefeng Zheng;Bogdan Georgescu;Fernando Vega-Higuera;Shaohua Kevin Zhou;Peter Meer;Dorin Comaniciu
Affiliations:
Electrical and Computer Engineering Department, Rutgers University and Siemens Corporate Research;Siemens Corporate Research;Siemens Corporate Research;Computed Tomography, Siemens Healthcare, Germany;Siemens Corporate Research;Electrical and Computer Engineering Department, Rutgers University;Siemens Corporate Research
Venue:
MLMI'10 Proceedings of the First international conference on Machine learning in medical imaging
Year:
2010

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Abstract

Even with the recent advances in multidetector computed tomography (MDCT) imaging techniques, detection of calcified coronary lesions remains a highly tedious task. Noise, blooming and motion artifacts etc. add to its complication. We propose a novel learning-based, fully automatic algorithm for detection of calcified lesions in contrast-enhanced CT data. We compare and evaluate the performance of two supervised learning methods. Both these methods use rotation invariant features that are extracted along the centerline of the coronary. Our approach is quite robust to the estimates of the centerline and works well in practice. We are able to achieve average detection times of 0.67 and 0.82 seconds per volume using the two methods.