Available Losses ================ ================================================= ================= ============================================ Loss Name Loss Identifier Reference ================================================= ================= ============================================ Mean Squared Error (MSE) / L2 Loss ``mse`` Mean Absolute Error (MAE) / L1 Loss ``l1`` Smooth L1 Loss ``smooth_l1`` Learned Perceptual Image Patch Similarity (LPIPS) ``lpips`` https://arxiv.org/abs/1801.03924 Structural Similarity (SSIM) ``ssim`` https://ieeexplore.ieee.org/document/1284395 Peak Signal to Noise Ratio (PSNR) ``psnr`` Fréchet Video Distance (FVD) ``fvd`` https://arxiv.org/abs/1812.01717 ================================================= ================= ============================================