Fig. 1. The basic framework of the original GANs

Fig. 2. The basic framework of CGAN

Fig. 3. Structure of D-LinkNet

Fig. 4. The unrolled structure of the center dilation part of D-LinkNet

Fig. 5. Examples of infrared-generated images of buildings produced on the basis of our method

Fig. 6. Examples of infrared-generated images of chimneys produced on the basis of our method

Fig. 7. Examples of infrared-generated images of cooling towers produced on the basis of our method

Fig. 8. The RMSE results between the real infrared images and the infrared images generated by our method and the Pix2pix

Fig. 9. The RMSE results between the real infrared images and the infrared images generated by our method and the Resnet9 and Resnet34

Fig. 10. The FSIM results between the real infrared images and the infrared images generated by our method and the other three methods