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. Author manuscript; available in PMC: 2013 Aug 30.
Published in final edited form as: Inf Process Med Imaging. 2011;22:123–134. doi: 10.1007/978-3-642-22092-0_11

Fig. 1.

Fig. 1

Synthetic image matching with 25 (top) and 9 (bottom) control points. On the left of each panel: the source image with the initial momenta (red arrows). On the right the superimposition of the deformed source and target image. First row shows that a discrete parameterization is sufficient for a perfect matching. Second row shows that moving the control points to their optimal positions gives a much better representation of the shape differences for a fixed number of parameters. σ = 50 voxels, γ = 10−2.