Mullapudi, Navyasri, and G. Jaya Suma. “Video Level Sign Language Recognition With Key Frame Extraction Using Adaptive Convolution Neural Networks With a New Activation Function”. Engineering, Technology & Applied Science Research 15, no. 6 (December 8, 2025): 30356–30361. Accessed May 1, 2026. https://etasr.com/index.php/ETASR/article/view/14023.