25/25 [==============================] - 7s 269ms/step - total_loss: 1.0971 - illumination_smoothness_loss: 0.0174 - spatial_constancy_loss: 0.2979 - color_constancy_loss: 0.0778 - exposure_loss: 0.7040 - val_total_loss: 1.3596 - val_illumination_smoothness_loss: 0.0218 - val_spatial_constancy_loss: 0.2615 - val_color_constancy_loss: 0.0428 - val_exposure_loss: 1.0334