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. 2019 Aug;9(8):1368–1382. doi: 10.21037/qims.2019.08.08

Figure 4.

Figure 4

Results from the distance map analysis, after bone-to-bone registration via SVD: STCT-DECT (A); DECT-CBCT (B); STCT-CBCT (C). Colour-map is from maximum penetration (−1 mm, in blue) to maximum separation (6 mm, in red) passing for a best matching (in green), as for the colour scale. SVD, singular value decomposition; STCT, standard CT; DECT, dual energy CT; CBCT, cone-beam CT; CT, computed tomography.