Table 3 The measurement results using a single laser (mm).

From: A three-dimensional vision measurement method based on double-line combined structured light

Gauge block number

Known thickness

Mean measurement value

MAE

AE

RMSE

1

1.0000

0.9990

0.0796

− 0.0010

0.0939

2

3.0000

2.9844

0.0676

− 0.0156

0.0859

3

5.0000

5.0121

0.0677

0.0121

0.0866

4

10.0000

10.0169

0.0694

0.0169

0.0823

5

15.0000

15.0310

0.0663

0.0310

0.0827

6

20.0000

20.0146

0.0867

0.0146

0.0980

7

25.0000

24.9805

0.1119

− 0.0195

0.1410

8

30.0000

30.0148

0.0874

0.0148

0.1074

9

40.0000

40.0455

0.1081

0.0455

0.1256

10

50.0000

49.9958

0.1183

− 0.0042

0.1355