25/25 [==============================] - 7s 278ms/step - total_loss: 1.0989 - illumination_smoothness_loss: 0.0193 - spatial_constancy_loss: 0.2985 - color_constancy_loss: 0.0780 - exposure_loss: 0.7032 - val_total_loss: 1.3608 - val_illumination_smoothness_loss: 0.0225 - val_spatial_constancy_loss: 0.2609 - val_color_constancy_loss: 0.0428 - val_exposure_loss: 1.0346