25/25 [==============================] - 7s 268ms/step - total_loss: 1.0927 - illumination_smoothness_loss: 0.0141 - spatial_constancy_loss: 0.2993 - color_constancy_loss: 0.0781 - exposure_loss: 0.7012 - val_total_loss: 1.3549 - val_illumination_smoothness_loss: 0.0179 - val_spatial_constancy_loss: 0.2618 - val_color_constancy_loss: 0.0429 - val_exposure_loss: 1.0323