25/25 [==============================] - 7s 280ms/step - total_loss: 1.1112 - illumination_smoothness_loss: 0.0304 - spatial_constancy_loss: 0.2952 - color_constancy_loss: 0.0776 - exposure_loss: 0.7080 - val_total_loss: 1.3728 - val_illumination_smoothness_loss: 0.0328 - val_spatial_constancy_loss: 0.2591 - val_color_constancy_loss: 0.0424 - val_exposure_loss: 1.0385