User/reference class

Normalized image (global threshold)

Original (local threshold 2)

Dark area

Background

Sum

Dark area

Background

Sum

Dark area

5,603,494

0

5,603,494

2,206,305

1,555,796

3,762,101

Background

833,656

31,688,164

32,521,820

4,230,845

30,132,368

34,363,213

Sum

6,437,150

31,688,164

6,437,150

31,688,164

Producer acc.

0.87

1

0.34

0.95

User acc.

1

0.97

0.58

0.87

KIA Per Class

0.84

1

0.27

0.50

Overall Accuracy

0.98

0.85

KIA

0.92

0.35