Learning to Recognize Patch-Wise Consistency for Deepfake Detection

• URL: http://arxiv.org/abs/2012.09311v1
• Date: Wed, 16 Dec 2020 23:06:56 GMT
• Title: Learning to Recognize Patch-Wise Consistency for Deepfake Detection
• Authors: Tianchen Zhao, Xiang Xu, Mingze Xu, Hui Ding, Yuanjun Xiong, Wei Xia
• Abstract summary: We propose a representation learning approach for this task, called patch-wise consistency learning (PCL) PCL learns by measuring the consistency of image source features, resulting to representation with good interpretability and robustness to multiple forgery methods. We evaluate our approach on seven popular Deepfake detection datasets.
• Score: 39.186451993950044
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose to detect Deepfake generated by face manipulation based on one of their fundamental features: images are blended by patches from multiple sources, carrying distinct and persistent source features. In particular, we propose a novel representation learning approach for this task, called patch-wise consistency learning (PCL). It learns by measuring the consistency of image source features, resulting to representation with good interpretability and robustness to multiple forgery methods. We develop an inconsistency image generator (I2G) to generate training data for PCL and boost its robustness. We evaluate our approach on seven popular Deepfake detection datasets. Our model achieves superior detection accuracy and generalizes well to unseen generation methods. On average, our model outperforms the state-of-the-art in terms of AUC by 2% and 8% in the in- and cross-dataset evaluation, respectively.

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