Intuitive image processing — Watershed segmentation

The following content explains the fundamental principle underlying the watershed process. Basic knowledge of general algorithms and computer science principles is assumed. The aim of this article is to provide you with an intuitive understanding of watershed segmentation.

What is a watershed?

A watershed is defined as a region of land that assists in draining water (usually rainwater) into a river or a creek. It is an area of high ground through which water flows into the river or creek.