Integrating atlas and graph cut methods for right ventricle blood-pool segmentation from cardiac cine MRI

Shusil Dangi; Cristian A. Linte

doi:10.1117/12.2256013

3 March 2017 Integrating atlas and graph cut methods for right ventricle blood-pool segmentation from cardiac cine MRI

Shusil Dangi, Cristian A. Linte

Proceedings Volume 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling; 1013519 (2017) https://doi.org/10.1117/12.2256013
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

Segmentation of right ventricle from cardiac MRI images can be used to build pre-operative anatomical heart models to precisely identify regions of interest during minimally invasive therapy. Furthermore, many functional parameters of right heart such as right ventricular volume, ejection fraction, myocardial mass and thickness can also be assessed from the segmented images. To obtain an accurate and computationally efficient segmentation of right ventricle from cardiac cine MRI, we propose a segmentation algorithm formulated as an energy minimization problem in a graph. Shape prior obtained by propagating label from an average atlas using affine registration is incorporated into the graph framework to overcome problems in ill-defined image regions. The optimal segmentation corresponding to the labeling with minimum energy configuration of the graph is obtained via graph-cuts and is iteratively refined to produce the final right ventricle blood pool segmentation. We quantitatively compare the segmentation results obtained from our algorithm to the provided gold-standard expert manual segmentation for 16 cine-MRI datasets available through the MICCAI 2012 Cardiac MR Right Ventricle Segmentation Challenge according to several similarity metrics, including Dice coefficient, Jaccard coefficient, Hausdorff distance, and Mean absolute distance error.

Conference Presentation

Citation Download Citation

Shusil Dangi and Cristian A. Linte "Integrating atlas and graph cut methods for right ventricle blood-pool segmentation from cardiac cine MRI", Proc. SPIE 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling, 1013519 (3 March 2017); https://doi.org/10.1117/12.2256013

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