1. Alvarez, L., Guichard, F., Lions, P.L., Morel, J.M.: Axioms and fundamental equations of image processing. Archives for Rational Mechanics and Analysis 123(3), 199–257 (1993)
2. Apostolico, A., Caianiello, E.R., Fischetti, E., Vitulano, S.: C-Calculus: an elementary approach to some problems in pattern recognition. Pattern Recognition 19, 375–387 (1878)
3. Brockett, R.W., Maragos, P.: Evolution equations for continuous-scale morphological filtering. IEEE Trans. Signal Processing 42, 3377–3386 (1994)
4. Caianiello, E.R., Petrosino, A.: Neural networks, fuzziness and image processing. In: Cantoni, V. (ed.) Machine and Human Perception: Analogies and Divergences, pp. 355–370. Plenum Press, New York (1994)
5. Ceccarelli, M., Petrosino, A.: A parallel fuzzy scale-space approach to the unsupervised texture separation. Pattern Recognition Letters 23, 557–567 (2002)