Processing and analysis of medical images using computer comprises the following:

image formation and reconstruction,

image resoration,

image inhancement,

image compression and storage,

image-based visualization,

feature idendification,

image segmentation,

shape recognition,

image matching/registration,

measurement of anatomical and physiological parameters.

A. Contour-Based 

B.Texture-Based 

C.Knowledge-Based

D.Learning-Based

E.Model-Based?

From U.Maulik, Medical Image Segmentation Using Genetic Algorithms,2009, IEEE TITB?

Medical image computing