25/25 [==============================] - 7s 277ms/step - total_loss: 1.0873 - illumination_smoothness_loss: 0.0102 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0780 - exposure_loss: 0.6991 - val_total_loss: 1.3481 - val_illumination_smoothness_loss: 0.0134 - val_spatial_constancy_loss: 0.2635 - val_color_constancy_loss: 0.0439 - val_exposure_loss: 1.0273