A Study on Coastline Extraction and Its Trend Based on Remote Sensing Image Data Mining

Table 3

The accuracy test of coastline extraction in China from 2007 to 2011.

Year	2007	2008	2009	2010	2011
Kappa coefficient	0.69	0.72	0.78	0.81	0.86
Accuracy coefficient	0.018	0.013	0.023	0.015	0.012