25/25 [==============================] - 7s 279ms/step - total_loss: 1.1133 - illumination_smoothness_loss: 0.0321 - spatial_constancy_loss: 0.2931 - color_constancy_loss: 0.0770 - exposure_loss: 0.7110 - val_total_loss: 1.3755 - val_illumination_smoothness_loss: 0.0353 - val_spatial_constancy_loss: 0.2590 - val_color_constancy_loss: 0.0424 - val_exposure_loss: 1.0387