M. Charifchefchaouni et D. Schonfeld, ON THE CONVERGENCE AND ROOTS OF ORDER-STATISTICS FILTERS, IEEE transactions on signal processing, 43(8), 1995, pp. 1990-1993
In this correspondence, we propose a comprehensive theory of the conve
rgence and characterization of roots of order-statistics filters. Cond
itions for the convergence of iterations of order-statistics filters a
re proposed. Criteria for the morphological characterization of roots
of order-statistics filters are also proposed.