Research on Bridge Structural Damage Identification

Table 9

Recognition results comparison of different recognition methods without noise.

Project	The number of actual categories	The SDAE algorithm is correct	The BP neural network algorithm is correct	The SVM algorithm is correct
1st category	2S0	275	0	0
2nd category	280	279	50	34
3rd category	280	280	0	0
4th category	280	280	19	2
5th category	280	280	17	1
6th category	2S0	280	24	0
7th category	2S0	280	48	6
8th category	280	280	63	0
9th category	280	280	43	223
Accuracy	—	99.76%	10.48%	10.56%