25/25 [==============================] - 7s 278ms/step - total_loss: 1.0925 - illumination_smoothness_loss: 0.0136 - spatial_constancy_loss: 0.2989 - color_constancy_loss: 0.0780 - exposure_loss: 0.7019 - val_total_loss: 1.3562 - val_illumination_smoothness_loss: 0.0203 - val_spatial_constancy_loss: 0.2646 - val_color_constancy_loss: 0.0440 - val_exposure_loss: 1.0272