1. A. Rosenfeld, Picture Processing by Computer, Academic Press, New York, 1969.
2. H. C. Andrews, Computer Techniques in Image Processing, Academic Press, New York, 1970.
3. R. O. Duda and P. E. Hart, Pattern Classification and Scene Analysis, Wiley, New York, 1973.
4. A. Rosenfeld and A. C. Kak, Digital Picture Processing, Academic Press, New York, 1976.
5. A. Rosenfeld, H. Freeman, T. S. Huang, and A. van Dam, eds., Computer Graphics and Image Processing, Academic Press, New York, 1972 ff.