25/25 [==============================] - 7s 278ms/step - total_loss: 1.0898 - illumination_smoothness_loss: 0.0116 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0782 - exposure_loss: 0.6999 - val_total_loss: 1.3532 - val_illumination_smoothness_loss: 0.0185 - val_spatial_constancy_loss: 0.2655 - val_color_constancy_loss: 0.0443 - val_exposure_loss: 1.0249