A Fast Circular Edge Detector for the Iris Region Segmentation. - Yeunggyu Park; Hoonju Yun; Myongseop Song; Jaihie Kim (Biologically Motivated Computer Vision, 2000)

A Novel Method to Extract Features for Iris Recognition System. - Seung-In Noh; Kwanghyuk Bae; Yeunggyu Park; Jaihie Kim (AVBPA, 2003)