Computer-Assisted Segmentation of Videocapsule Images Using Alpha-Divergence-Based Active Contour in the Framework of Intestinal Pathologies Detection

Table 2

Average segmentation error in percentage of misclassified pixels with respect to the divergence used.

Image	Segmentation error (%)
	Alpha-divergence	KL
(a) Gastric polyps	<1
(b) Gastric polyp	44.2	82.3
(c) Colon sigmoid polyp	1.2	~500
(d) Lymphangiectasia	<1
(e) Metastasis	15.3
(f) Radiation enteritis	14.7
(g) Angioma	1.5
(h) Lipoma	<1
(i) Anal papilla	11.2	10.3