Table 2. Comparison of big data set (real roof images)—CNN vs SNN.

Amount of data	SNN model (accuracy)	CNN model (accuracy)
100	0.79	0.43
200	0.86	0.58
400	0.87	0.88
600	0.85	0.84
1,200	0.86	0.93
2,400	0.93	0.97