Kalehe Lokuge, KLH Imesha, G Gayamini, and B Hettige. “A Review on Vision-Based Obstacle Avoidance and Assistant Systems for Visually Impaired People”. International Journal of Research in Computing 1, no. 2 (July 31, 2022): 15–22. Accessed May 6, 2024. https://ijrcom.org/index.php/ijrc/article/view/79.