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10.1109/TNNLS.2021.3082015

http://scihub22266oqcxt.onion/10.1109/TNNLS.2021.3082015
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34038371!8544943!34038371
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suck abstract from ncbi


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pmid34038371      IEEE+Trans+Neural+Netw+Learn+Syst 2021 ; 32 (7): 2798-2808
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  • 4S-DT: Self-Supervised Super Sample Decomposition for Transfer Learning With Application to COVID-19 Detection #MMPMID34038371
  • Abbas A; Abdelsamea MM; Gaber MM
  • IEEE Trans Neural Netw Learn Syst 2021[Jul]; 32 (7): 2798-2808 PMID34038371show ga
  • Due to the high availability of large-scale annotated image datasets, knowledge transfer from pretrained models showed outstanding performance in medical image classification. However, building a robust image classification model for datasets with data irregularity or imbalanced classes can be a very challenging task, especially in the medical imaging domain. In this article, we propose a novel deep convolutional neural network, which we called self-supervised super sample decomposition for transfer learning (4S-DT) model. The 4S-DT encourages a coarse-to-fine transfer learning from large-scale image recognition tasks to a specific chest X-ray image classification task using a generic self-supervised sample decomposition approach. Our main contribution is a novel self-supervised learning mechanism guided by a super sample decomposition of unlabeled chest X-ray images. 4S-DT helps in improving the robustness of knowledge transformation via a downstream learning strategy with a class-decomposition (CD) layer to simplify the local structure of the data. The 4S-DT can deal with any irregularities in the image dataset by investigating its class boundaries using a downstream CD mechanism. We used 50000 unlabeled chest X-ray images to achieve our coarse-to-fine transfer learning with an application to COVID-19 detection, as an exemplar. The 4S-DT has achieved a high accuracy of 99.8% on the larger of the two datasets used in the experimental study and an accuracy of 97.54% on the smaller dataset, which was enriched by augmented images, out of which all real COVID-19 cases were detected.
  • |*Machine Learning[MESH]
  • |Algorithms[MESH]
  • |Artificial Intelligence[MESH]
  • |COVID-19/*diagnosis/diagnostic imaging[MESH]
  • |Deep Learning[MESH]
  • |Humans[MESH]
  • |Image Interpretation, Computer-Assisted[MESH]
  • |Knowledge Bases[MESH]
  • |Neural Networks, Computer[MESH]
  • |ROC Curve[MESH]
  • |Reproducibility of Results[MESH]
  • |Thorax/diagnostic imaging[MESH]


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