Yulianto, A., Ma’muriyah, N. and Lina, L. 2023. Audible Obstacle Warning System for Visually Impaired Person Based on Image Processing. Jurnal Nasional Teknik Elektro. 12, 2 (Jul. 2023). DOI:https://doi.org/10.25077/jnte.v12n2.1008.2023.