25/25 [==============================] - 7s 278ms/step - total_loss: 1.0908 - illumination_smoothness_loss: 0.0125 - spatial_constancy_loss: 0.2994 - color_constancy_loss: 0.0781 - exposure_loss: 0.7008 - val_total_loss: 1.3533 - val_illumination_smoothness_loss: 0.0174 - val_spatial_constancy_loss: 0.2636 - val_color_constancy_loss: 0.0436 - val_exposure_loss: 1.0286