1. A review of algorithms for shape analysis;Pavlidis;Comput. Graphics Image Process.,1978
2. Digital Picture Processing;Rosenfeld,1976
3. Structural Pattern Recognition;Pavlidis,1977
4. A comparison of line thinning algorithms from digital geometry viewpoint;Tamura,1978
5. Arcs and curves in digital pictures;Rosenfeld;J. Ass. comput. Mach.,1973