A Refined Phase Unwrapping Method for High Noisy Dense Fringe Interferogram Based on Adaptive Cubature Kalman Filter

Table 4

Statistical evaluation of real data.

	CKFPU	IACKFPU
Mean ()	−1.6509	−1.6091
Std ()	2.1516	2.0640
Mean ()	4.1888	3.3131
Std ()	12.9612	8.8746

The unit of is radians and is nondimensional.