Research Article

Feature Selection Using Maximum Feature Tree Embedded with Mutual Information and Coefficient of Variation for Bird Sound Classification

Table 5

Comparison of Kappa, accuracy, and F1 scores with feature selection methods in Crane dataset.

Evaluation indicatorClassifierFeature selection method
CorGRIGORRFSUCSMICV
Number of features|the highest value

KappaJ4873 | 0.7269 | 0.7471 | 0.6870 | 0.7268 | 0.7171 | 0.6922 | 0.6825 | 0.75
NB73 | 0.7569 | 0.7573 | 0.7573 | 0.7571 | 0.7573 | 0.7553 | 0.7943 | 0.79
SVM73 | 0.8469 | 0.8473 | 0.8473 | 0.8472 | 0.8673 | 0.8473 | 0.8469 | 0.84
RFs66 | 0.8951 | 0.8869 | 0.8973 | 0.8968 | 0.8963 | 0.8836 | 0.9041 | 0.90

AccuracyJ4873 | 77.0069 | 78.0071 | 73.0070 | 77.0068 | 76.0071 | 73.0022 | 73.0018 | 79.00
NB73 | 79.0069 | 79.0073 | 79.0073 | 79.0071 | 79.0073 | 79.0053 | 81.0043 | 83.00
SVM72 | 87.0068 | 87.0073 | 87.0073 | 87.0072 | 89.0073 | 87.0073 | 87.0069 | 87.00
RFs66 | 91.0051 | 90.0069 | 91.0073 | 91.0058 | 91.0063 | 90.0036 | 90.0041 | 91.00

F1 scoreJ4873 | 0.7769 | 0.7871 | 0.7370 | 0.7767 | 0.7771 | 0.7325 | 0.7325 | 0.79
NB73 | 0.7969 | 0.7973 | 0.7973 | 0.7973 | 0.7973 | 0.7953 | 0.8143 | 0.82
SVM72 | 0.8668 | 0.8773 | 0.8673 | 0.8672 | 0.8873 | 0.8673 | 0.8769 | 0.86
RFs69 | 0.9151 | 0.8969 | 0.9173 | 0.9068 | 0.9066 | 0.9072 | 0.9141 | 0.91