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Cited by 365

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Iteratively Pruned Deep Learning Ensembles for COVID-19 Detection in Chest X-Rays

Open access
Rajaraman, Sivaramakrishnan, Siegelman, Jenifer, Alderson, Philip O., Folio, Lucas S., Folio, Les R., Antani, Sameer K.·2020·IEEE Access

Abstract

We demonstrate use of iteratively pruned deep learning model ensembles for detecting pulmonary manifestations of COVID-19 with chest X-rays. This disease is caused by the novel Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) virus, also known as the novel Coronavirus (2019-nCoV). A custom convolutional neural network and a selection of ImageNet pretrained models are trained and evaluated at patient-level on publicly available CXR collections to learn modality-specific feature representations. The learned knowledge is transferred and fine-tuned to improve performance and generalization in the related task of classifying CXRs as normal, showing bacterial pneumonia, or COVID-19-viral abnormalities. The best performing models are iteratively pruned to reduce complexity and improve memory efficiency. The predictions of the best-performing pruned models are combined through different ensemble strategies to improve classification performance. Empirical evaluations demonstrate that the weighted average of the best-performing pruned models significantly improves performance resulting in an accuracy of 99.01% and area under the curve of 0.9972 in detecting COVID-19 findings on CXRs. The combined use of modality-specific knowledge transfer, iterative model pruning, and ensemble learning resulted in improved predictions. We expect that this model can be quickly adopted for COVID-19 screening using chest radiographs.

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Metadata

Authors
Rajaraman, S., Siegelman, J., Alderson, P. O., Folio, L. S., Folio, L. R., & Antani, S. K.
Venue
IEEE Access
Published
2020
Volume
8
Pages
115041-115050
ISSN
2169-3536
OpenAlex
W3036688711
Cited by
365
References
40
FWCI
33.51
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Iteratively Pruned Deep Learning Ensembles for COVID-19 Detection in Chest X-Rays. https://app.cochat.ai/papers/10.1109/access.2020.3003810
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Rajaraman, S., Siegelman, J., Alderson, P. O., Folio, L. S., Folio, L. R., & Antani, S. K. (2020). Iteratively Pruned Deep Learning Ensembles for COVID-19 Detection in Chest X-Rays. IEEE Access. https://doi.org/10.1109/access.2020.3003810

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