Table 5 Column Segmentation Comparison Results

From: Individual segmentation method of ancient architectural components based on point cloud and construction techniques

 

Point cloud count

Forward registration (%)

Reverse registration (%)

RMSE

F1-Score

IoU

RANSAC algorithm

18,622

99.8013

99.8254

0.0105927

0.998133

0.95019

Least-squares method

16,732

99.8327

99.341

0.00996908

0.995862

0.939324

Cylindrical mathematical model

16,078

99.9502

94.5255

0.0113074

0.971622

0.90469

Proposed method

17,373

99.9194

99.8254

0.00944171

0.998723

0.976926

Ground truth

17,755

     
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