25/25 [==============================] - 7s 269ms/step - total_loss: 1.1002 - illumination_smoothness_loss: 0.0205 - spatial_constancy_loss: 0.2970 - color_constancy_loss: 0.0777 - exposure_loss: 0.7049 - val_total_loss: 1.3615 - val_illumination_smoothness_loss: 0.0233 - val_spatial_constancy_loss: 0.2611 - val_color_constancy_loss: 0.0427 - val_exposure_loss: 1.0345