Wang, Yuanbin, Xingwei Wang, Bin Zhang, and Ying Wang. “A Novel Form of Affine Moment Invariants of Grayscale Images”. Elektronika ir Elektrotechnika 19, no. 1 (January 8, 2013): 77-82. Accessed April 19, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/3262.