M. I. Yazid and M. Othman, “Wearable Obstacle Detection for Visual Impairment People with GPS Location”, EEEE, vol. 5, no. 2, pp. 108–115, Nov. 2024, Accessed: Apr. 08, 2026. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/17593