25/25 [==============================] - 7s 269ms/step - total_loss: 1.0911 - illumination_smoothness_loss: 0.0127 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0782 - exposure_loss: 0.7001 - val_total_loss: 1.3535 - val_illumination_smoothness_loss: 0.0175 - val_spatial_constancy_loss: 0.2638 - val_color_constancy_loss: 0.0438 - val_exposure_loss: 1.0284