Iterative Least Square Optimization for the Weights of NURBS Curve

Table 2

The fitting errors of each method for “curve with noise.”

Optimize method	Error index
	EMAX	ERMS	EIAE
Proposed method	0.006322	0.001757	0.232865
Without weight	0.006871	0.001975	0.263212
NCFO	0.006796	0.001912	0.254431
LSPIA	0.007500	0.002449	0.314092