Measurement of Apparent Building Damage by Using a Single Image

Table 1

Test results of each side in Window 1 and Window 2.

Side to be measured	Actual length (m)	Measured length (m)	Relative error (%)
	1.163	1.104	5.073
	1.784	1.717	3.756
	1.173	1.193	1.705
	1.173	1.206	2.813
	1.765	1.742	1.303
	1.765	1.731	1.926
		2.6473
		9.2159