Samaila, Y. A., H. Rabiu, and I. Mustapha. “Real-Time Detection of Abandoned Object Using Centroid Difference Method”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 16, no. 1 (March 2, 2020): 48-57. Accessed September 14, 2025. http://www.azojete.com/index.php/azojete/article/view/174.