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. 2011 Sep 5;11(9):8626–8642. doi: 10.3390/s110908626

Table 1.

Confusion Matrix.

Predicted Surfaces
Curved Edged Flat Total

Actual Surfaces Curved Edged Flat 39 0 1 40
1 39 0 40
1 0 39 40

41 39 40 120