1. Zero crossing interval correction in tracking eye-fundus blood vessels;Tamura;Pattern Recognition,1988
2. Z. Liu, O. Chutatape, S.M. Krishnan, Automatic image analysis of fundus photograph, in: Proceedings of the 19th Annual International Conference on IEEE Engineering in Medicine and Biology Society, vol. 2, 1997, pp. 524–525.
3. Automated location of the optic disk, fovea, & retinal blood vessels from digital color fundus images;Sinthanayothin;British Journal of Ophthalmology,1999
4. Automated feature fxtraction in color retinal images by a model based approach;Li;IEEE Transactions on Biomedical Engineering,2004
5. Employing the hough transform to locate the optic disk;Barrett;Biomedical Sciences Instrumentation,2001