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