25/25 [==============================] - 7s 278ms/step - total_loss: 1.0919 - illumination_smoothness_loss: 0.0135 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0782 - exposure_loss: 0.7002 - val_total_loss: 1.3543 - val_illumination_smoothness_loss: 0.0173 - val_spatial_constancy_loss: 0.2617 - val_color_constancy_loss: 0.0429 - val_exposure_loss: 1.0323