Pavan Kumar, U, and Bharathi S H. “Visual Background Extractor With Improved Sobel Operator for Moving Object Detection”. International Journal of Engineering and Technology 7, no. 3.12 (July 20, 2018): 1297–1302. Accessed May 12, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/17874.