Mathematical morphology, Openings, Closings

In this paper we present a study aimed to define general openings and closing as specific morphological filters. Specifically, we study how much openings and closing we can be define just by using idempotent dilations and erosions.

In this paper we present a study aimed to define openings and closing as morphological filter. Specifically, we impose on the dilations and erosions the idempotence and study how much openings and closing we can be defined.