AYYED, Dhafer. Image Steganography Based Sobel Edge Detection Using FPGA. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 2, n. 6, p. 23–34, 2020. DOI: 10.47577/technium.v2i6.1346. Disponível em: https://www.techniumscience.com/index.php/technium/article/view/1346. Acesso em: 17 apr. 2026.