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

Table 4

The evaluation results of Experiment 3.

	Method
	Correlation	Multiscale HS	Multiscale LK	WOF	WOF-X	Our method
RMSE	6.7266	6.1874	6.4288	7.0761	6.374	6.1865
PSNR	19.6202	20.3459	20.0135	19.1802	20.0879	20.3472
SSIM	0.93614	0.94511	0.94107	0.92572	0.94211	0.94514