Fig. 6From: Three-stage segmentation of lung region from CT images using deep neural networksImplementation of the proposed method using image from the ILD database. a Original image. b Contrast enhancement of the original image. c Binary image of the original image. d Candidate lung region. e Perimeter feature of the binary image. f Area feature of the original image. g Refined contour. h Segmented image. i Ground truthBack to article page