25/25 [==============================] - 7s 269ms/step - total_loss: 1.0974 - illumination_smoothness_loss: 0.0180 - spatial_constancy_loss: 0.2985 - color_constancy_loss: 0.0780 - exposure_loss: 0.7029 - val_total_loss: 1.3611 - val_illumination_smoothness_loss: 0.0246 - val_spatial_constancy_loss: 0.2645 - val_color_constancy_loss: 0.0437 - val_exposure_loss: 1.0282