A Comparative Study of Existing and New Deep Learning Methods for Detecting Knee Injuries using the MRNet Dataset

• URL: http://arxiv.org/abs/2010.01947v1
• Date: Mon, 5 Oct 2020 12:27:18 GMT
• Title: A Comparative Study of Existing and New Deep Learning Methods for Detecting Knee Injuries using the MRNet Dataset
• Authors: David Azcona, Kevin McGuinness and Alan F. Smeaton
• Abstract summary: This work presents a comparative study of existing and new techniques to detect knee injuries by leveraging Stanford's MRNet dataset. All approaches are based on deep learning and we explore the comparative performances of transfer learning and a deep residual network trained from scratch.
• Score: 9.808620526969648
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This work presents a comparative study of existing and new techniques to detect knee injuries by leveraging Stanford's MRNet Dataset. All approaches are based on deep learning and we explore the comparative performances of transfer learning and a deep residual network trained from scratch. We also exploit some characteristics of Magnetic Resonance Imaging (MRI) data by, for example, using a fixed number of slices or 2D images from each of the axial, coronal and sagittal planes as well as combining the three planes into one multi-plane network. Overall we achieved a performance of 93.4% AUC on the validation data by using the more recent deep learning architectures and data augmentation strategies. More flexible architectures are also proposed that might help with the development and training of models that process MRIs. We found that transfer learning and a carefully tuned data augmentation strategy were the crucial factors in determining best performance.

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