Hernandez, Gonzalo; Salinas, Luis - In: Physica A: Statistical Mechanics and its Applications 367 (2006) C, pp. 173-180
The extremal rules automata (ER) were introduced as a generalization of an earlier method for elementary image enhancement: the nearest extremum rule automaton (NER). The ER dynamical behavior was characterized for the sequential iteration by a Lyapunov functional which allows proving fixed...