25/25 [==============================] - 7s 277ms/step - total_loss: 1.0945 - illumination_smoothness_loss: 0.0154 - spatial_constancy_loss: 0.2982 - color_constancy_loss: 0.0780 - exposure_loss: 0.7029 - val_total_loss: 1.3571 - val_illumination_smoothness_loss: 0.0199 - val_spatial_constancy_loss: 0.2620 - val_color_constancy_loss: 0.0429 - val_exposure_loss: 1.0323