From: Stair phase-coding fringe plus phase-shifting used in 3D measuring profilometry
Index
Ideal height
Measured height
Absolute error
RMS error
1
6
5.979
0.021
0.027
2
16
16.034
0.034
0.031
3
21
20.963
0.037
0.032
4
31
30.959
0.041
0.033