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Table 2 Confusion matrix in the KNN classifier

From: Analytical study of two feature extraction methods in comparison with deep learning methods for classification of small metal objects

Method

Confusion matrix

HOG

  

Screw

Nut

Key

Coin

Screw

39

3

1

2

Nut

4

36

0

5

Key

3

0

42

0

Coin

1

4

0

40

LBP

  

Screw

Nut

Key

Coin

Screw

37

4

1

3

Nut

8

30

1

6

Key

2

2

37

4

Coin

6

7

1

31

HOG-LBP

  

Screw

Nut

Key

Coin

Screw

40

4

0

3

Nut

5

36

0

7

Key

4

0

39

1

Coin

0

1

0

40