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Table 1 Error of virtual and real registration based on identification method (mm)

From: Optimization of virtual and real registration technology based on augmented reality in a surgical navigation system

GroupPointMark points on the real modelMark points on the virtual modelError (mm)Average error (mm)
XYZXYZ
AP145.70− 25.95− 1363.4855.87− 28.01− 1361.2610.6110.23
P247.81− 0.78− 1323.4454.52− 6.91− 1324.599.16
P358.8648.77− 1327.1351.4246.80− 1334.2910.51
P469.86− 24.88− 1332.2866.00− 20.89− 1341.3310.62
BP1165.24− 108.11− 1206.25160.57− 104.36− 1208.389.719.98
P2151.02− 72.56− 1214.28156.34− 69.75− 1210.3310.02
P3135.46− 28.12− 1216.35141.28− 27.34− 1222.289.86
P4198.23− 93.28− 1208.21191.29− 91.34− 1200.0510.36
CP1− 144.83− 220.59− 1500.30− 139.32− 225.31− 1507.4410.158.99
P2− 143.56− 219.11− 1453.06− 138.04− 215.58− 1458.958.82
P3− 111.46− 186.21− 1431.23− 106.91− 190.55− 1436.528.23
P4− 132.74− 245.08− 1471.85− 127.87− 248.28− 1478.408.77
DP1196.32− 86.45− 1220.78189.36− 89.25− 1214.3310.069.70
P2169.42− 48.69− 1215.68162.98− 50.21− 1209.2210.02
P3162.94− 21.69− 1250.64170.75− 23.12− 1145.889.26
P4190.32− 58.96− 1178.14182.45− 54.31− 1196.349.45