Fig. 1. Framework of residual in residual dense block GAN generator network

Fig. 2. Framework of SRGAN generator network

Fig. 3. Framework of SRGAN discriminator network

Fig. 4. Difference between standard and relative discriminators

Fig. 5. Simulation data set （partial） of space target AO images

Fig. 6. Comparison of super-resolution results of AO images from Hubble Telescope 1（（a） is a low-resolution simulation adaptive optical image whose original input is 256×256， and （b）-（e） are 1 024×1 024 super resolution image network）

Fig. 7. Comparison of super-resolution results of AO images from sat1 Satellite（（a） is a low-resolution simulation adaptive optical image whose original input is 256×256， and （b）-（e） are 1 024×1 024 super resolution image network）

Fig. 8. Comparison of super-resolution results of AO images from Hubble Telescope 2（（a） is a low-resolution simulation adaptive optical image whose original input is 256×256， and （b）-（e） are 1 024×1 024 super resolution image network）