Interactive Retinal Vessel Extraction by Integrating Vessel Tracing and Graph Search. - Lu Wang; Vinutha Kallem; Mayank Bansal; Jayan Eledath; Harpreet S. Sawhney; Karen Karp; Denise J. Pearson; Monte D. Mills; Graham E. Quinn; Richard A. Stone (MICCAI (2), 2013)