25/25 [==============================] - 7s 277ms/step - total_loss: 1.0880 - illumination_smoothness_loss: 0.0105 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0781 - exposure_loss: 0.6994 - val_total_loss: 1.3485 - val_illumination_smoothness_loss: 0.0140 - val_spatial_constancy_loss: 0.2644 - val_color_constancy_loss: 0.0440 - val_exposure_loss: 1.0261