Talk:Minkowski addition

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In Essential Minkowski sum,

A + B = \{ z \in \mathbb{R}^{n} | X \cap (z - Y) \neq \emptyset \}.

How can you substract a set Y from an element z?

[edit] dilation and minkowski addition should be separate pages

Dilation in binary morphology is essentially equal to the Minkowski addition; however, the morphological term dilation has evolved significantly since, and dilation in complete lattices today is very different.

A separate page for morphological dilation should be created. I would gladly edit it. —Preceding unsigned comment added by Renatokeshet (talk • contribs) 14:08, 24 May 2008 (UTC)