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Artificial Intelligence in Health                            Deep learning on chest X-ray and CT for COVID-19



               to 0.01) to various network layers. This nuanced   the decoupling of physical examination of the patient and
               approach enhances both the low-level feature extraction   analytical  pathology  leads  to  an  effective  and  modular
               and high-level abstraction capabilities of the models.  approach. This is likely to significantly enhance detection
            (3)  One-cycle policy implementation. We integrated a one-  speed,  accuracy,  and  sensitivity,  expected  to  form  the
               cycle training policy that dynamically adjusts learning   fundamental cornerstone that will be pivotal for an
               rates across epochs. This method has been shown to   extensive digital architecture to safeguard against many
               significantly improve model convergence, stability,   future pandemics (to be elaborated in the follow-up article).
               and overall performance.                        Furthermore, these models help in the early screening of
            (4)  Comparative analysis of advanced architectures. While   suspects in remote places in countries where the health
               individual CNN architectures have previously been   care providers as well as resources (such as RT-PCR kits
               applied to COVID-19 detection, our study provides   and CT scan machines) are limited.
               a comprehensive comparison of EfficientNet, ResNet,
               and SeResNext using these advanced training     Acknowledgments
               strategies. This comparison offers valuable insights   The authors acknowledge the sincere help from the
               into  the  relative  strengths  of  these  architectures  for   authorities of VARCoE, IIT BBS, and SCBMCH for the
               this specific task.                             research support and encouragement.
            (5)  Reproducibility and benchmarking. By using a
               publicly available dataset and clearly documenting   Funding
               our methodologies, we provide a robust benchmark   None.
               for future studies in medical image analysis, which
               extends beyond the scope of COVID-19 detection.  Conflict of interest
              These methodological innovations collectively enhance   The authors declare no conflicts of interest.
            the robustness, accuracy, and generalizability of CNN
            models for medical image analysis. While the immediate   Author contributions
            application to COVID-19 may seem less pressing now, the   Conceptualization:  Ajay Kumar Gogineni, Kisor Kumar
            techniques we developed have broader implications for   Sahu
            improving deep learning approaches in medical imaging   Formal analysis: All authors
            across various conditions that might be very useful in our   Investigation: Ajay Kumar Gogineni, Madapathi Hitesh
            fight against future pandemics.                    Methodology: Ajay Kumar Gogineni, Kisor Kumar Sahu

              Among the models implemented in the present study,   Writing – original draft: All authors
            ResNet and DenseNet have achieved more than 94%    Writing – review & editing: All authors
            accuracy. This is far superior to the typical sensitivity of 70
            – 80% for RT-PCR. Our results indicate that EfficientNet   Ethics approval and consent to participate
            is best at classifying normal images, and SeResNext is   Not applicable.
            best at classifying pneumonia. ResNet performs best for
            classifying images pertaining to COVID-19. While the   Consent for publication
            accuracy of the present method is expected to get better   Not applicable.
            with increasing usage, which is an inherent feature of
            artificial intelligence, there is no such chance for RT-PCR,   Availability of data
            since this traditional method is not a smart protocol. The
            model is able to learn the inherent features of pneumonia   Data are available at the following resources:
            and COVID-19 from a relatively small dataset. The   (1)  Cohen JP, Morrison P, Dao L. COVID-19 Image Data
                                                                  Collection. arXiv.org. Accessed April 9, 2021. https://
            performance of the model can be improved further by   doi.org/10.48550/arXiv.2003.11597
            collecting data from diverse geographical regions. This will   (2)  Yang X, He X, Zhao J, Zhang Y, Zhang S, Xie P. COVID-
            also improve the generalizability of the model.
                                                                  CT-Dataset: A  CT Scan Dataset about COVID-19.
              We strongly believe that this ML-aided diagnostic   arXiv:200313865 [cs, eess, stat]. Published online June
            protocol can help in detecting individuals suspected of   17, 2020. http://arxiv.org/abs/2003.13865
            carrying infections with greater speed and accuracy, and   (3)  Cohen JP. ieee8023/covid-chestxray-dataset. GitHub.
            more importantly, it  charts out the blueprint to rapidly   Published June 10, 2020. https://github.com/ieee8023/
            develop a new med-tech protocol for quick screening of   covid-chestxray-dataset
            future  pandemics. It is  pertinent to point out here  that   (4)  Chest X-Ray Images (Pneumonia). www.kaggle.


            Volume 2 Issue 1 (2025)                         38                               doi: 10.36922/aih.2888
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