Lee, Wen Han, Jia Ling Tan, Zailan Arabee Abdul Salam, Huey Ying Teoh, Qin Jun Lee, and Lai Tzi Syuen Suzanne. “Sign Language Recognition Based on CNN With Optimized Activation Function”. Journal of Applied Technology and Innovation 8, no. 1 (January 9, 2026): 9–14. Accessed January 16, 2026. https://jati.apu.edu.my/index.php/JATI/article/view/57.