@article{WangSZZSW21,
title={Invisible Adversarial Attack against Deep Neural Networks: An Adaptive Penalization Approach},
author={Zhibo Wang and
	Mengkai Song and
	Siyan Zheng and
	Zhifei Zhang and
	Yang Song and
	Qian Wang},
journal={{IEEE} Transactions on Dependable and Secure Computing},
volume={18},
number={3},
pages ={1474--1488},
year={2021}
}