25/25 [==============================] - 7s 268ms/step - total_loss: 1.0948 - illumination_smoothness_loss: 0.0156 - spatial_constancy_loss: 0.2989 - color_constancy_loss: 0.0781 - exposure_loss: 0.7021 - val_total_loss: 1.3577 - val_illumination_smoothness_loss: 0.0215 - val_spatial_constancy_loss: 0.2641 - val_color_constancy_loss: 0.0435 - val_exposure_loss: 1.0287