[1] H. O. Peitgen and D. Saupe. The Science of Fractal Images. Springer-Verlag, 1988.

[2] N. Yokoya, F. Yamamoto and N. Funakubo. Fractal based analysis and interpolation of 3D natural surface shapes. Computer Vision, Graphics and Image Processing, 46: 284 302, 1989.

[3] B. B. Mandelbrot. The Fractal Geometry of Nature. Freeman, 1983.

[4] L. F. Richardson, ed. The Problem of Contiguity: An Appendix to Statistics of Deadly Quarrels, vol. 6. General Systems Yearbook, 1961.

[5] A. Rosenfeld and E. B. Troy. Visual texture analysis. Technical Report TR-116, University of Maryland, 1970.

[6] K. C. Hayes et al.Texture coarseness: further experiments. IEEE Trans. Systems, Man and Cybernetics, 4: 467 72, 1974.

[7] A. Rosenfeld and A. C. Kak. Digital Picture Processing. New York: Academic, 1976.

[8] R. Bajcsy. Computer description of textured surfaces. In Proc. Int. Conf. on Artificial Intelligence, pp. 572 9, 1973.

[9] R. Bajcsy. Computer identication of textured visual scenes. Technical Report AIM-180, Artificial Intelligence Laboratory, Stanford University, 1972.

[10] R. M. Haralick. Statistical image texture analysis. In T. Y. Young and K.-S. Fu, eds, Handbook of Pattern Recognition and Image Processing. Academic Press, 1986.

[11] M. Reuff. Scale space filtering and the scaling regions of fractals. In J. C. Simon, ed., From Pixels to Features, pp. 49 60, North Holland, 1989.

[12] P. Maragos and F. K. Sun. Measuring fractal dimension: morphological estimates and iterative estimation, In Visual Communications and Image Processing IV, Proc. SPIE 89, vol.