A Generalized Fuzzy C-means Algorithm with Applications to Contrast Modification and Binarization of Images. - J. Richardt; J. Nicklish-Franken; Reinhard Klette (Comput. Artif. Intell., 1996)

The fuzzy local-global duality in detecting pictorial patterns. - J. Richardt; F. Karl; C. Müller; Reinhard Klette (Pattern Recognit. Lett., 1996)

Connections between fuzzy theory, simulated annealing, and convex duality. - J. Richardt; F. Karl; C. Müller (Fuzzy Sets Syst., 1998)