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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: IEEE Trans Med Imaging. 2019 Mar 27;38(9):2016–2027. doi: 10.1109/TMI.2019.2907868

Fig. 4.

Fig. 4.

Effect of dose on registration performance for (A) 3D-2D registration and (B) Voronoi 3D-3D registration with 7 pix mean deformation, and anatomy 3D-3D registration with (C) 7 pix mean deformation and (D) 22 pix mean deformation. Each plot shows the predicted error for each metric at optimal σb (solid lines), the measured error for each metric at that σb (markers), and the CRLB (dashed line). Similarity metrics examined included CC (red), GC (blue), G2 (magenta), and G4 (green).