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- W3107328291 abstract "Prevailing defense schemes against adversarial face images tend to overfit to the perturbations in the training set and fail to generalize to unseen adversarial attacks. We propose a new self-supervised adversarial defense framework, namely FaceGuard, that can automatically detect, localize, and purify a wide variety of adversarial faces without utilizing pre-computed adversarial training samples. During training, FaceGuard automatically synthesizes challenging and diverse adversarial attacks, enabling a classifier to learn to distinguish them from real faces. Concurrently, a purifier attempts to remove the adversarial perturbations in the image space. Experimental results on LFW, Celeb-A, and FFHQ datasets show that FaceGuard can achieve 99.81%, 98.73%, and 99.35% detection accuracies, respectively, on six unseen adversarial attack types. In addition, the proposed method can enhance the face recognition performance of ArcFace from 34.27% TAR @ 0.1% FAR under no defense to 77.46% TAR @ 0.1% FAR. Code, pre-trained models and dataset will be publicly available." @default.
- W3107328291 created "2020-12-07" @default.
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- W3107328291 date "2023-01-05" @default.
- W3107328291 modified "2023-10-14" @default.
- W3107328291 title "FaceGuard: A Self-Supervised Defense Against Adversarial Face Images" @default.
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- W3107328291 doi "https://doi.org/10.1109/fg57933.2023.10042617" @default.
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