Table 6 Summarized data from the evaluation of rooftop extraction results associated with different city tiers.

From: Vectorized rooftop area data for 90 cities in China

City tier

Accuracy (%)

F1 score (%)

Producer accuracy/Recall (%)

User accuracy/Precision (%)

Omission error (%)

Commission error (%)

Tier 1

98.17

85.58

83.70

87.54

16.30

12.46

Tier 2

97.60

83.57

79.65

87.89

20.35

12.11

Tier 3

98.16

83.45

78.43

89.17

21.57

10.83

Tier 4

97.95

82.13

78.21

86.46

21.79

13.54

Overall

97.95

83.11

78.96

87.77

21.04

12.23