Rajput, Daniyal, Faheem Ahmed, Habib Ahmed, Engr Zakir Ahmed Shaikh, and Aamir Shamshad. “Smart Obstacle Detector for Blind Person”. Journal of Biomedical Engineering and Medical Imaging 1, no. 3 (June 30, 2014): 31–40. Accessed November 30, 2021. https://journals.scholarpublishing.org/index.php/JBEMi/article/view/245.