Table 1 Experimental results on standard gauge blocks (Unit: mm)
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 |