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Results of the registration between 2 identical-sized blurred disks with different contrasts, using Demons and Morphons. In yellow: the contour of the disk. In red: the vector field resulting from the registration. The displacement field resulting from Morphons was very close to zero. Notice that the SSD is actually lower using Demons than Morphons. However, the SSD does not reflect the matching of the shapes, in opposition to the disk contour after warping.
