Chapter 6
Segmentation
Wolfgang Birkfellner
6.1 The Segmentation Problem
We have already learned that medical images map certain physical properties of tissue and store the resulting discrete mathematical function as an image. It is a straightforward and understandable desire that anyone who uses medical images wants to identify certain anatomical structures for further examination; identifying organs or other anatomical structures is an inevitable prerequisite for many operations that retrieve quantitative data from images as well as many visualization tasks.
Unfortunately, physical properties of tissue as recorded by a medical imaging device do usually not correlate completely with the anatomic boundaries of certain organs. That is a very fundamental ...
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