1. Kikuchi, S., Horizawa, H., Hashimoto, M., Ogata, M. andIshikawa, I., “On an Automatic Measuring System of Scattered Light Photoelastic Fringe and its Applications,”Non-Destr. Insp., Japanese Soc. for Non-Destr. Insp.,23 (2),132–133 (1975)(in Japanese).
2. Hitchings, D.J. andLuxmoore, A.R., “An Automatic High-Speed Scanner for Moiré Fringe Technique,”J. Strain Analysis,7 (2),151–156 (1972).
3. Yokoi, S., Toriwaki, J. andFukumura, T., “Topological Properties in Digitized Binary Pictures,”Trans. Inst. of Elec. and Comm. Eng. of Japan,56 (D-11),662–669 (1973)(in Japanese).
4. Rosenfeld, A. and Kak, A.C., Digital Picture Processing, Academic Press, 284–286 (1976).
5. Sakai, T., Nagao, M. andKonishi, O., “On-line Picture Processing of Textile Patterns,”Trans. Inst. of Elec. and Comm. Eng. of Japan,56 (D-6),373–380 (1973)(in Japanese).