25/25 [==============================] - 7s 278ms/step - total_loss: 1.0887 - illumination_smoothness_loss: 0.0106 - spatial_constancy_loss: 0.3004 - color_constancy_loss: 0.0781 - exposure_loss: 0.6996 - val_total_loss: 1.3500 - val_illumination_smoothness_loss: 0.0148 - val_spatial_constancy_loss: 0.2639 - val_color_constancy_loss: 0.0439 - val_exposure_loss: 1.0275