Cited by 135COVID-19 diagnosis using AIRadiomics and Machine Learning in Medical ImagingAI in cancer detection

SDFN: Segmentation-based deep fusion network for thoracic disease classification in chest X-ray images

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Liu, Han, Wang, Lei, Nan, Yandong, Jin, Faguang, Wang, Qi, Pu, Jiantao·2019·Computerized Medical Imaging and Graphics

Abstract

This study aims to automatically diagnose thoracic diseases depicted on the chest x-ray (CXR) images using deep convolutional neural networks. The existing methods generally used the entire CXR images for training purposes, but this strategy may suffer from two drawbacks. First, potential misalignment or the existence of irrelevant objects in the entire CXR images may cause unnecessary noise and thus limit the network performance. Second, the relatively low image resolution caused by the resizing operation, which is a common pre-processing procedure for training neural networks, may lead to the loss of image details, making it difficult to detect pathologies with small lesion regions. To address these issues, we present a novel method termed as segmentation-based deep fusion network (SDFN), which leverages the domain knowledge and the higher-resolution information of local lung regions. Specifically, the local lung regions were identified and cropped by the Lung Region Generator (LRG). Two CNN-based classification models were then used as feature extractors to obtain the discriminative features of the entire CXR images and the cropped lung region images. Lastly, the obtained features were fused by the feature fusion module for disease classification. Evaluated by the NIH benchmark split on the Chest X-ray 14 Dataset, our experimental result demonstrated that the developed method achieved more accurate disease classification compared with the available approaches via the receiver operating characteristic (ROC) analyses. It was also found that the SDFN could localize the lesion regions more precisely as compared to the traditional method.

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Authors
Liu, H., Wang, L., Nan, Y., Jin, F., Wang, Q., & Pu, J.
Affiliations
  • University of Pittsburgh (US)
  • Tang Du Hospital (CN)
  • Fourth Hospital of Hebei Medical University (CN)
Corresponding author
Pu, Jiantao
Venue
Computerized Medical Imaging and Graphics
Publisher
Elsevier BV
Published
2019-07
Volume
75
Pages
66-73
ISSN
  • 0730-4862 (ISSN-L)
  • 0895-6111
OpenAlex
W2949698495
Cited by
135
References
27
Citations by year
2026: 10 · 2025: 12 · 2024: 19 · 2023: 21 · 2022: 29 · 2021: 33 · 2020: 7 · 2019: 4
FWCI
12.05
Type
journal article
Language
en
Open access
Locations
  • Computerized Medical Imaging and Graphics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University) (cc-by)
Funders
  • National Institutes of Health (NIH) (R21CA197493, R01HL096613)
  • Jiangsu Natural Science Foundation (BK20170391)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › COVID-19 diagnosis using AI
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiomics and Machine Learning in Medical Imaging
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
Keywords
thoracic disease classification, chest X-ray images, lung segmentation, feature fusion, lesion localization, small lesion detection
MeSH terms
Deep Learning, Algorithms, Humans, ROC Curve, Thoracic Diseases, Radiography, Thoracic, Neural Networks, Computer, Datasets as Topic

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