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Table 1 Localisation accuracy per GCP and mean errors in the three coordinate directions

From: Combination of terrestrial laser scanning and UAV photogrammetry for 3D modelling and degradation assessment of heritage building based on a lighting analysis: case study—St. Adalbert Church in Gdansk, Poland

Check Point Name

Error X [m]

Error Y [m]

Error Z [m]

Projection Error [pixel]

Verified/Marked Images

1

0.0203

0.0008

− 0.1251

0.3605

3

2

− 0.0192

0.0575

0.0375

0.2295

4

3

0.0292

− 0.0200

− 0.0029

0.4569

4

4

0.0021

0.0115

0.0655

0.3030

6

5

0.0228

0.0138

0.0184

0.2115

4

Mean [m]

0.011032

0.012712

− 0.001341

  

Sigma [m]

0.017591

0.025388

0.065845

  

RMS Error [m]

0.020764

0.028392

0.065859