Ning, Kun-Peng, Lue Tao, Songcan Chen, and Sheng-Jun Huang. 2021. “Improving Model Robustness by Adaptively Correcting Perturbation Levels With Active Queries”. Proceedings of the AAAI Conference on Artificial Intelligence 35 (10):9161-69. https://doi.org/10.1609/aaai.v35i10.17106.