Gamma Precorrection and Phase Error Compensation Methods Based on Three-Frequency with Three-Phase Shift

Table 4

Evaluation and analysis of point cloud by our proposed method for Figure 12(b).

Direction	Maximal value (mm)	Average error (mm)	Standard deviation (mm)
Negative direction	−3.0667	−0.7231	0.6130
Absolute direction	3.8603	0.0027	0.1010
Forward direction	3.6375	0.0013	0.0536