25/25 [==============================] - 7s 278ms/step - total_loss: 1.0906 - illumination_smoothness_loss: 0.0121 - spatial_constancy_loss: 0.2998 - color_constancy_loss: 0.0780 - exposure_loss: 0.7006 - val_total_loss: 1.3521 - val_illumination_smoothness_loss: 0.0153 - val_spatial_constancy_loss: 0.2615 - val_color_constancy_loss: 0.0430 - val_exposure_loss: 1.0323