Praveen Kumar, P, P V.G.D. Prasad Reddy, and P Srinivasa Rao. “Sequential Particle Filter With Covariance Features Classified With Artificial Neural Nets for Continuous Indian Sign Language Recognition”. International Journal of Engineering and Technology 7, no. 1.1 (December 21, 2017): 539–547. Accessed May 20, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/10163.