Table 3 Results of camera calibration and adjusted alignment in Agisoft Metashape

From: Systematic integration of 2D and 3D sources for the virtual reconstruction of lost heritage artefacts: the equestrian monument of Francesco III d’Este (1774–1796, Modena, Italy)

Root Mean Square (RMS) reprojection error: 0.24 (0.54 pix)

Max. reprojection error: 0.71 (19.75 pix)

Principal point cx: 14.91 pix

Principal point cy: − 32.75 pix

k1: − 0.069748

k2: 0.245727

p1: 0.000241

p2: − 0.002011

b1: 1.4179

b2: − 0.3065

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