Fig. 1. Principle of time-division polarization imaging system

Fig. 2. Polarizer-rotating time-division infrared polarization imaging system

Fig. 3. Operating characteristics of WP25M-IRC polarizer

Fig. 4. Visible light image of high-voltage electric transmission lines

Fig. 5. Before-and-after comparison of image denoising

Fig. 6. 36-channel polarization images

Fig. 7. DoLP Images with different number of channels and locally zoomed-in images of the same testing scene

Fig. 8. Comparison of evaluation metrics results for polarized images with different channels

Fig. 9. Complex power patrol environment

Fig. 10. Evaluation metrics for DoLP images with different channels in Complex power patrol environment

Fig. 11. Three-channel polarimetric images at different spacing angles （a-q） 5º to 85º with an increment of 5º； （r） Partial enlargement of the wires with a smaller spacing angle