Fig. 9From: Electronic cleansing in computed tomography colonography using AT layer identification with integration of gradient directional second derivative and material fraction model a the axial CTC image of the EC result from EC prop . b the axial CTC image of the EC result from EC syngo . c the axial CTC image without applying any EC. d the 3-D band view image of a. e the 3-D band view image of b. f the 3-D band view image of c Back to article page