Weather condition analysis
Visible light Image
collection
Data analysis and
fault diagnosis
optimal weather conditions
Clear day
10:00 to 14:00
Less glare on PV
modules
Airborne visible light
cameras collect raw images
Images preprocessing
PV strings extraction
PV modules
segmentation
Image perspective
correction
High
-
quality images
Grayscale image method/
Deep learning method
Fault classification
Surface damge
Foreign object
occlusion
Vegetation shadow
Glare phenomena