ZHOU, Guangshao; GUO, Shuai; CHEN, Zhibo. FPGA-Based Improved Sobel Operator Edge Detection. Frontiers in Computing and Intelligent Systems, [S. l.], v. 5, n. 2, p. 6–11, 2023. DOI: 10.54097/fcis.v5i2.12122. Disponível em: https://drpress.org/ojs/index.php/fcis/article/view/12122. Acesso em: 7 jun. 2026.