Mehravin, Alireza, Zaare, Mostafa, Mortazavi, Reza (2025) ‘Learning Rate Optimization of U-Net Architecture Using Grasshopper Optimization Algorithm to Enhance Accuracy in CT Image Segmentation of COVID-19 Patients’, Journal of Optimization in Soft Computing, 3(1), pp. 63-69. doi:https://doi.org/10.82553/josc.2025.202504281205187