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

Table 2

RMS before and after correction of compensation by the proposed method.

Fringe period (pixels)	Error before correction RMS (rad)	Error after correction RMS (rad)	Ratio of RMS of phase error before and after correction compensation
14	0.0186	0.0084	2.21
24	0.0299	0.0124	2.41
32	0.0275	0.0132	2.08