1. Transformation for extracting new descriptors of shape;Blum,1967
2. Three-dimensional shape description using symmetric axis transform;Nackman,1982
3. Model-directed detection of ribs in chestradiographs;Ballard,1978
4. Biological shape and visual science: Part 1;Blum;J. Theor. Biol.,1973
5. Robot path planning using goedesic and straight line segments with Voronoi diagrams;Shin,1986