Hashi, A. O., Hashim, S. Z. M., Mirjalili, S., Kebande, V. R., Al-Dhaqm, A., Nasser, M., Samah, A. B. A. (2025). A hybrid CNN-transformer framework optimized by Grey Wolf Algorithm for accurate sign language recognition. Scientific Reports. https://doi.org/10.1038/s41598-025-27390-2