25/25 [==============================] - 7s 278ms/step - total_loss: 1.0956 - illumination_smoothness_loss: 0.0165 - spatial_constancy_loss: 0.2985 - color_constancy_loss: 0.0780 - exposure_loss: 0.7026 - val_total_loss: 1.3581 - val_illumination_smoothness_loss: 0.0209 - val_spatial_constancy_loss: 0.2623 - val_color_constancy_loss: 0.0430 - val_exposure_loss: 1.0320