25/25 [==============================] - 7s 268ms/step - total_loss: 1.0883 - illumination_smoothness_loss: 0.0106 - spatial_constancy_loss: 0.3003 - color_constancy_loss: 0.0781 - exposure_loss: 0.6993 - val_total_loss: 1.3498 - val_illumination_smoothness_loss: 0.0149 - val_spatial_constancy_loss: 0.2640 - val_color_constancy_loss: 0.0440 - val_exposure_loss: 1.0270