Hybrid Adaptive Wavelet-Based Optical Flow Algorithm for Background Oriented Schlieren (BOS) Experiments

Table 3

The evaluation results of Experiment 2.

Error	Method
	Correlation	Multiscale HS	Multiscale LK	WOF	WOF-X	Our method
RMSE	0.28464	0.068162	0.26313	0.15604	0.13797	0.038876