25/25 [==============================] - 7s 269ms/step - total_loss: 1.0885 - illumination_smoothness_loss: 0.0111 - spatial_constancy_loss: 0.3001 - color_constancy_loss: 0.0781 - exposure_loss: 0.6992 - val_total_loss: 1.3504 - val_illumination_smoothness_loss: 0.0154 - val_spatial_constancy_loss: 0.2639 - val_color_constancy_loss: 0.0437 - val_exposure_loss: 1.0274