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Table 1 Confusion matrix of the classification approach based on a neural network

From: Signal enhancement for communication systems used by fire fighters

  

Target

 
  

Side talker

Pause

Breathing out

Breathing in

Speech

Recognition

Input

Side talker

53%

23%

14%

2%

8%

53%

47%

 

Pause

14%

70%

8%

1%

7%

70%

30%

 

Breathing out

2%

2%

83%

1%

12%

83%

17%

 

Breathing in

<1%

<1%

<1%

99%

<1%

99%

1%

 

Speech

2%

<1%

2%

<1%

95%

95%

5%

  

Average recognition rates

79%

21%