25/25 [==============================] - 7s 277ms/step - total_loss: 1.0883 - illumination_smoothness_loss: 0.0107 - spatial_constancy_loss: 0.3000 - color_constancy_loss: 0.0780 - exposure_loss: 0.6995 - val_total_loss: 1.3492 - val_illumination_smoothness_loss: 0.0146 - val_spatial_constancy_loss: 0.2644 - val_color_constancy_loss: 0.0440 - val_exposure_loss: 1.0262