Variability-Weighted Interpolation Algorithm Based on Fixed-Frame Sampling of Data

Table 1

Comparison between several commonly used interpolation methods.

	IDW	SF	OK	TS
Interpolation accuracy	Higher	Low	High	Low
Operational efficiency	High	High	Low	Higher
Extrapolating ability	Poor	Strong	Stronger	Strong
Data requirements	Uniformity	Dense	All available	Limited