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A case study of AUGC in UST image segmentation. (a) The UST image slice, (b) the input image after contrast enhancement, (c) the edge image detected by Canny with an adaptive thresholding, (d) the convex polygon vertex image produced by using convex hull searching and postprocessing, (e) the closed curve image produced by using Hermite cubic curve algorithm, and (f) the resultant image extracted by GrabCut. The figure can be enlarged to view details.
