AUTHOR=V Aravinda C. , B Sudeepa K. , Pradeep S. , Suraksha P. , Lin Meng TITLE=Leveraging compact convolutional transformers for enhanced COVID-19 detection in chest X-rays: a grad-CAM visualization approach JOURNAL=Frontiers in Big Data VOLUME=7 YEAR=2024 URL=https://www.frontiersin.org/journals/big-data/articles/10.3389/fdata.2024.1489020 DOI=10.3389/fdata.2024.1489020 ISSN=2624-909X