Combined use of densitometry and morphological analysis to detect flat polyps

Abstract

This paper describes a CAD system to detect a particular type of colon cancer, flat polyps. The identification of suspicious regions is based on two type of analysis executed in succession: a densitometry analysis that researches contrast fluid on polyp surface and a morphological analysis that reduces number of false positives, calculating a curvature index of the surface. © 2009 Springer Berlin Heidelberg.