Accurate Measurement of Strain in Noncontact Surface Deformation Using Subset-Based Digital Image Correlation

Table 2

Computation time between different algorithms.

Subset size	Algorithm	Computation time (sec)
41 × 41	RG-DIC	42.97
	Fast-DIC	7.35
	Proposed method	4.34
14 × 14	NR	60
	FAS	1.5
	Proposed method	1.01