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. 2022 Mar 2;17(3):e0264449. doi: 10.1371/journal.pone.0264449

Table 1. Independent samples T-test for the RMSE of each method in comparison to ACIR-v3.

Method N RMSE (mm) SD p-value
ASGD2019 124 14.98 8.63 <0.0001
FASGD2015 122 2.77 11.85 0.03
FPSGD2019 111 1.45 8.39 0.194
ACIR-v1 124 10.95 9.497 <0.0001
ACIR-v2 124 0.36 0.17 0.125
ACIR-v3 124 0.41 0.30 -

N: number of registration experiments. RMSE: root mean squared error. SD: standard deviation. p-value: statistical samples t-test p-value comparison to ACIR-v3.