| GAN | Generative adversarial network |
| DDPM | Denoising diffusion probabilistic model |
| MSE | Mean squared error |
| PSNR | Peak signal to noise ratio |
| LPIPS | Learned perceptual image patch similarity |
| FID | Fréchet inception distance |
| RGB | Red, green, blue |
| AE | Auto-encoder |
| SSIM | Structural similarity index measure |
| TURBO | Two-way Uni-directional Representations by Bounded Optimisation |
| HST | Hubble Space Telescope |
| JWST | James Webb Space Telescope |
| LSGAN | Least Squares Generative Adversarial Network |
| SIFT | Scale-Invariant Feature Transform |
| RANSAC | Random Sample Consensus |
| ESA | European Space Agency |
| NASA | National Aeronautics and Space Administration |
| STScI | Space Telescope Science Institute |