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Table 9 CNN model performance with original VGG16 structure

From: Automatic classification of spread‐F types in ionogram images using support vector machine and convolutional neural network

Type/Class

Precision (%)

Recall (%)

F1-score

Support

Clear

96.0

97.5

96.7

198

FSF

78.4

70.2

74.1

114

RSF

83.5

91.8

87.5

243

SSF

100

36.8

53.8

19

Unidentified

99.2

96.9

98.1

130