Research Article

[Retracted] 3D Stratum Interpolation Algorithm of Metro Tunnel Based on BIM and Data Fusion

Table 1

Cross-validation results of reduction and expansion using IDW spatial interpolation.

Interpolation methodInspection standardsReductionExpansion method

IDWMAE1.5361.562
RMSIE2.16332.1655

IDWMAE197.6204.6
RMSIE275.6286.8