Fig. 1. Preprocessing graph

Fig. 2. Convolution and deconvolution

Fig. 3. Network structure diagram

Fig. 4. ReLu comparison experiment

Fig. 5. Skip connection experiment. (a) Original drawing; (b) No residual connection; (c) Residual connection; (d) Residual connection and one layer of convolution

Fig. 6. Experimental of color restoration. (a) Origianl；(b) Standard color card；(c) LAB；(d) DUIENet；(e) DCP；(f) DehazeNet and HWD；(g) MFGAN

Fig. 7. Experimental result . (a) Original；(b) DCP；(c) LAB；(d) CLAHE；(e) DehazeNet and HWD；(f) DUIENet；(g) UGAN；(h) MFGAN

Fig. 8. Experimental results of feature matching