Investigating Nonlinear Shoreline Multiperiod Change from Orthophoto Map Information by Using a Neural Network Model

Table 3

Comparison of actual sandy area and estimated sandy area in the year of 2010.

2010 Beach	Actual sandy area (m^2)	I2H4O1 (Type  1) Estimated area (m^2)	Type 1 error (%)	I2H4O1 (Type  2) Estimated area (m^2)	Type 2 error (%)
BH1	31589	31471	0.373	31539	0.159
BH2	218476	218162	0.144	218118	0.163
BH3	99883	96311	3.577	99308	0.576
BH4	95079	96867	1.881	98657	3.763
BH5	69844	70855	1.447	69908	0.092
BH6	408235	407557	0.166	408042	0.047