25/25 [==============================] - 7s 268ms/step - total_loss: 1.0889 - illumination_smoothness_loss: 0.0111 - spatial_constancy_loss: 0.3000 - color_constancy_loss: 0.0781 - exposure_loss: 0.6997 - val_total_loss: 1.3512 - val_illumination_smoothness_loss: 0.0165 - val_spatial_constancy_loss: 0.2650 - val_color_constancy_loss: 0.0443 - val_exposure_loss: 1.0254