Fig. 1. Algorithm logic block diagram

Fig. 2. Complexity evaluation network model

Fig. 3. Multi-scale fusion logic block diagram

Fig. 4. Visualized sub-picture splicing picture and its enhanced effect

Fig. 5. The effect of guided filtering using different parameters

Fig. 6. Comparison of unsharp mask enhancement details

Fig. 7. Comparison of multi-scale enhancement algorithm weakening blocking phenomenon

Fig. 8. Contour enhancement contrast effect

Fig. 9. Texture enhances contrast effect