An interpretable object detection based model for the diagnosis of neonatal lung diseases using Ultrasound images

• URL: http://arxiv.org/abs/2105.10081v1
• Date: Fri, 21 May 2021 01:12:35 GMT
• Title: An interpretable object detection based model for the diagnosis of neonatal lung diseases using Ultrasound images
• Authors: Rodina Bassiouny (1), Adel Mohamed (2), Karthi Umapathy (1) and Naimul Khan (1) ((1) Ryerson University, Toronto, Canada, (2) Mount Sinai Hospital, University of Toronto, Toronto, Canada)
• Abstract summary: Lung Ultrasound (LUS) has been increasingly used to diagnose and monitor different lung diseases in neonates. Mixed artifact patterns found in different respiratory diseases may limit LUS readability by the operator. We present a unique approach for extracting seven meaningful LUS features that can be easily associated with a specific lung condition.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Over the last few decades, Lung Ultrasound (LUS) has been increasingly used to diagnose and monitor different lung diseases in neonates. It is a non invasive tool that allows a fast bedside examination while minimally handling the neonate. Acquiring a LUS scan is easy, but understanding the artifacts concerned with each respiratory disease is challenging. Mixed artifact patterns found in different respiratory diseases may limit LUS readability by the operator. While machine learning (ML), especially deep learning can assist in automated analysis, simply feeding the ultrasound images to an ML model for diagnosis is not enough to earn the trust of medical professionals. The algorithm should output LUS features that are familiar to the operator instead. Therefore, in this paper we present a unique approach for extracting seven meaningful LUS features that can be easily associated with a specific pathological lung condition: Normal pleura, irregular pleura, thick pleura, Alines, Coalescent B-lines, Separate B-lines and Consolidations. These artifacts can lead to early prediction of infants developing later respiratory distress symptoms. A single multi-class region proposal-based object detection model faster-RCNN (fRCNN) was trained on lower posterior lung ultrasound videos to detect these LUS features which are further linked to four common neonatal diseases. Our results show that fRCNN surpasses single stage models such as RetinaNet and can successfully detect the aforementioned LUS features with a mean average precision of 86.4%. Instead of a fully automatic diagnosis from images without any interpretability, detection of such LUS features leave the ultimate control of diagnosis to the clinician, which can result in a more trustworthy intelligent system.

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