2D-3D Fully Convolutional Neural Networks for Cardiac MR Segmentation
This work addresses cardiac segmentation for medical imaging applications, but it is incremental as it builds on existing CNN methods with minor modifications.
The paper tackled automated cardiac MR image segmentation by developing 2D and 3D fully convolutional neural networks trained on the ACD Challenge 2017 dataset, achieving near state-of-the-art performance in distance metrics and convincing accuracy in clinical parameters.
In this paper, we develop a 2D and 3D segmentation pipelines for fully automated cardiac MR image segmentation using Deep Convolutional Neural Networks (CNN). Our models are trained end-to-end from scratch using the ACD Challenge 2017 dataset comprising of 100 studies, each containing Cardiac MR images in End Diastole and End Systole phase. We show that both our segmentation models achieve near state-of-the-art performance scores in terms of distance metrics and have convincing accuracy in terms of clinical parameters. A comparative analysis is provided by introducing a novel dice loss function and its combination with cross entropy loss. By exploring different network structures and comprehensive experiments, we discuss several key insights to obtain optimal model performance, which also is central to the theme of this challenge.