Mehravin, Alireza, Zaare, Mostafa, Mortazavi, Reza. “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, vol. 3, no. 1, 2025, pp. 63-69. https://doi.org/10.82553/josc.2025.202504281205187