A Two-Level Sound Classification Platform for Environmental Monitoring
Table 7
Second-level classification, two-step implementation, and scalar features only-confusion matrix results for second-step classification of animal sounds to subclasses.
Crow samples classified to:
Dog samples classified to:
Snake rattle samples classified to:
Correctly classified samples
Crow
1683
1
16
1683
Dog
17
1999
45
1999
Snake rattle
0
0
1439
1439
Total samples
1700
2000
1500
5121/5200 = 98.48%
Probability of correct classification of animal sounds during the first step (Table 2, row 2, column 2)
5062/5200 = 97.96%
Total accuracy of two-step classification for animal sounds
