Fig. 1From: Abnormality tracking during video capsule endoscopy using an affine triangular constraint based on surrounding featuresSamples of GI abnormalities within the small intestine. a Red spot. b Phlebectasia. c Angiodysplasia. d Lymphangiectasia. e Erosion. f Erythematous. g Ulcer. h White-tipped villi. Green circles in each image identify the abnormal regionsBack to article page