Figure 1
From: Image segmentation algorithm by piecewise smooth approximation
Results of the RSF and LIF models for a vessel image with five distinct initial contour locations. Upper row: original image and initial contours. Middle row: segmentation results of the RSF model (2000, 120, 200, 120, 230 iterations). Lower row: segmentation results of the LIF model (2000, 500, 200, 500, 2000 iterations).