Strengths and Pitfalls of Whole-heart Atlas-based Segmentation in Congenital Heart Disease Patients

Atlas-based whole-heart segmentation is a well-established technique for the extraction of key cardiac structures of the adult heart. Despite its relative success in this domain, its implementation in wholeheart segmentation of paediatric patients suffering from a form of congenital heart disease is not straightforward. The aim of this work is to evaluate the current strengths and limitations of whole-heart atlas based segmentation techniques within the context of the Whole-Heart and Great Vessel Segmentation from 3D Cardiovascular MRI in Congenital Heart Disease Challenge (HVSMR). Obtained results suggest that there are no significant differences in the accuracies of state-of-the-art methods, reporting maximum Dice scores of 0.73 for the myocardium and 0.90 for the blood pool.