Fig. 1. Framework of CycleGAN

Fig. 2. Framework of improved generator

Fig. 3. Feature map of improved generator

Fig. 4. Several generator simplification architectures

Fig. 5. Contour feature images

Fig. 6. Framework of discriminator

Fig. 7. Loss function

Fig. 8. Framework of 3D modeling

Fig. 9. Camera perspective

Fig. 10. Fake Y for multiple network outputs

Fig. 11. MS_SSIM metrics for three generators

Fig. 12. Loss curve for three generators