An Improved Adaptive Template Size Pixel-Tracking Method for Monitoring Large-Gradient Mining Subsidence

Table 2

Accuracy of different template sizes in the strike and dip directions.

Template size	The strike direction (m)				The dip direction (m)
	MAVD	Maximum	Minimum	RMSE	MAVD	Maximum	Minimum	RMSE
61	0.770	2.864	0.017	0.752	0.543	1.869	0.026	0.444
91	0.904	2.501	0.003	0.724	0.516	1.631	0.002	0.490
121	1.071	2.515	0.039	0.770	0.483	1.951	0.027	0.596
181	1.349	2.651	0.013	0.991	0.649	2.655	0.003	0.867
241	1.421	2.782	0.006	1.041	0.701	2.851	0.005	0.904
Locally adaptive	0.358	2.270	0.000	0.381	0.177	0.623	0.016	0.151