1. W. K. Pratt, “Digital Image Processing”, John Wiley & Sons editors, London, (1978).
2. A. Rosenfeld, “Picture Processing by Computer”, Academic Press, New York, (1969).
3. R. C. Gonzales and P. Wintz, “Digital Image Processing”, Addison-Wesley Publishing Company, Reading MA., (1977).
4. H. C. Andrews and B. R. Hunt, “Digital Image Restoration”, Prentice-Hall. Signal Processing Series, Englewood Cliffs, NJ., (1977).
5. S. Attasi, “Modélisation et Traitement des Suites à Deux Indices”, These de Doctorat d’Etat, Paris VI, (1975).