25/25 [==============================] - 7s 278ms/step - total_loss: 1.0933 - illumination_smoothness_loss: 0.0144 - spatial_constancy_loss: 0.2992 - color_constancy_loss: 0.0781 - exposure_loss: 0.7015 - val_total_loss: 1.3570 - val_illumination_smoothness_loss: 0.0211 - val_spatial_constancy_loss: 0.2648 - val_color_constancy_loss: 0.0439 - val_exposure_loss: 1.0273