1. Pattern recognition of color fundus photographs;Yokouchi;Jap. J. Med. Elec. Biol. Engng,1975
2. A method of understanding blood vessel patterns in ocular fundus images;Akita;Trans. IECE Japan J64-D,1981
3. Semiautomatic leakage analyzing system for time series fluorescein ocular fundus angiography;Tamura;Pattern Recognition,1983
4. A simplified and fast version of the Hueckel operator for finding optimal edges in pictures;Mero,1975
5. Finding circles by an array of accumulators;Kimme;Comm. ACM,1975