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Backdoor Detection in Reinforcement Learning



Junfeng Guo , Ang Li , Cong Liu


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AEVA: Black-box Backdoor Detection Using Adversarial Extreme Value Analysis



Junfeng Guo , Ang Li , Cong Liu


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Adv-Makeup: A New Imperceptible and Transferable Attack on Face Recognition



Bangjie Yin , Wenxuan Wang , Taiping Yao , Junfeng Guo , Zelun Kong , Shouhong Ding , Jilin Li , Cong Liu

* 8 pages, 6 figures, 1 tables, 1 algorithm, To appear in IJCAI 2021 as a regular paper 

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Lightweight Detection of Out-of-Distribution and Adversarial Samples via Channel Mean Discrepancy



Xin Dong , Junfeng Guo , Wei-Te Ting , H. T. Kung


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PredCoin: Defense against Query-based Hard-label Attack



Junfeng Guo , Yaswanth Yadlapalli , Thiele Lothar , Ang Li , Cong Liu

* 13 pages 

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CT Image Segmentation for Inflamed and Fibrotic Lungs Using a Multi-Resolution Convolutional Neural Network



Sarah E. Gerard , Jacob Herrmann , Yi Xin , Kevin T. Martin , Emanuele Rezoagli , Davide Ippolito , Giacomo Bellani , Maurizio Cereda , Junfeng Guo , Eric A. Hoffman , David W. Kaczka , Joseph M. Reinhardt


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Deep Partial Updating



Zhongnan Qu , Cong Liu , Junfeng Guo , Lothar Thiele


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PoisHygiene: Detecting and Mitigating Poisoning Attacks in Neural Networks



Junfeng Guo , Zelun Kong , Cong Liu


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