Accurate 3D Surface Reconstruction for Smart Farming Application with an Inexpensive Shape from Focus System

Table 1

Results of RMSE and correlation.

Method		Variance of Gaussian noise
		0	0.05	0.1
Traditional SFF	RMSE	8.9320	15.607	35.384
	Correlation	0.8629	0.6131	0.0875
SFF.PCA	RMSE	8.1961	8.4943	31.220
	Correlation	0.9453	0.9073	0.1097
Proposed	RMSE	7.0132	8.0385	21.912
	Correlation	0.9691	0.9435	0.2625