Edge Detection Method of Iris Image
Xianglong Zhou, Jingbo Zhao, Kuoting Wang · Advances in intelligent systems research/Advances in Intelligent Systems Research · 2014
The paper describes several edge detection operators, such as Roberts operator, Prewitt operator, Sobel operator, Laplace operator and Canny operator. They were used to detect the edge of iris image. The better one among them for detecting edge of iris image was chosen.