1. The quantitative study of shape and pattern perception;Attneave;Psychol. Bull.,1956
2. Eye Movements and Vision;Yarbus,1967
3. An Introduction to Mathematical Analysis;Rankin,1963
4. Perceptrons: An Introduction to Computational Geometry;Minsky,1969
5. Concavity point detection by iterative arrays;Arcelli;Computer Graphics Image Processing,1974