25/25 [==============================] - 7s 269ms/step - total_loss: 1.0888 - illumination_smoothness_loss: 0.0112 - spatial_constancy_loss: 0.3002 - color_constancy_loss: 0.0782 - exposure_loss: 0.6992 - val_total_loss: 1.3517 - val_illumination_smoothness_loss: 0.0166 - val_spatial_constancy_loss: 0.2642 - val_color_constancy_loss: 0.0438 - val_exposure_loss: 1.0271