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

Table 1

Accuracy of different template sizes in the pixel-tracking method for monitoring simulated ground subsidence in the strike and dip directions.

Template size	The strike direction (m)				The dip direction (m)
	MAVD	Max	Min	RMSE	MAVD	Max	Min	RMSE
31	0.114	0.618	0.000	0.102	0.091	0.332	0.000	0.075
61	0.096	0.476	0.000	0.098	0.091	0.271	0.000	0.068
121	0.189	0.439	0.000	0.144	0.176	0.628	0.001	0.189
181	0.387	0.902	0.001	0.382	0.322	0.993	0.000	0.321
241	0.551	1.315	0.000	0.487	0.467	1.323	0.002	0.444
Locally adaptive	0.071	0.172	0.000	0.063	0.048	0.106	0.000	0.047