Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 May 30;10(6):358. doi: 10.3390/diagnostics10060358

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Original CXRs and their salient ROI visualization: (a,b) show a CXR with bilateral bacterial pneumonia and the corresponding Grad-CAM visualization; (c,d) show a CXR with viral pneumonia manifestations and the corresponding salient ROI visualization; and (e,f) show a sample CXR from the Montreal-COVID-19 CXR collection with ground truth (GT) annotations and corresponding salient ROI visualization. Blue frames in (e) denote radiologist annotations indicating disease regions, which serve as ground truth in our analysis.