The origin of mathematical morphology stems from the study of the geometry of porous media in the mid-sixties in France. Porous media are binary in the sense that a point of a porous medium either belongs to a pore or to the ma- trix surrounding the pores.

The origin of mathematical morphology stems from the study of the geometry
of porous media in the mid-sixties in France. Porous media are binary in the
sense that a point of a porous medium either belongs to a pore or to the ma-
trix surrounding the pores.

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