Patel, Pradip, and Narendra Patel. “Transformation Invariant Real-Time Recognition of Indian Sign Language Using Feature Fusion”. International Journal of Next-Generation Computing 12, no. 3 (August 3, 2021): 386–398. Accessed April 25, 2024. http://ijngc.perpetualinnovation.net/index.php/ijngc/article/view/218.