Recursive median filters of increasing order: a variationalapproach

Authors:
S. Alliney
Affiliations:
Istituto di Matematica Gen. e Finanziaria, Bologna Univ.
Venue:
IEEE Transactions on Signal Processing
Year:
1996

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Abstract

For a certain class of signals, it is known that the recursive median filters provide a minimum of a related regularizing functional, defined by means of the l1 norm. We generalize such results, and we show that a good approximation to the minima of such a functional can be obtained, for any signal, by means of successive applications of recursive median filters of increasing order