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
92.8
98.0
95.3
198
FSF
71.9
114
RSF
83.3
84.4
93.9
243
SSF
81.2
68.4
74.3
19
Unidentified
99.2
90.8
94.8
130