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A Novel Framework for Assessment of Learning-based Detectors in Realistic Conditions with Application to Deepfake Detection

2022-03-22 15:03:56
Yuhang Lu, Ruizhi Luo, Touradj Ebrahimi
arXiv_CV
           
Abstract

Deep convolutional neural networks have shown remarkable results on multiple detection tasks. Despite the significant progress, the performance of such detectors are often assessed in public benchmarks under non-realistic conditions. Specifically, impact of conventional distortions and processing operations such as compression, noise, and enhancement are not sufficiently studied. This paper proposes a rigorous framework to assess performance of learning-based detectors in more realistic situations. An illustrative example is shown under deepfake detection context. Inspired by the assessment results, a data augmentation strategy based on natural image degradation process is designed, which significantly improves the generalization ability of two deepfake detectors.

Abstract (translated)

URL

https://arxiv.org/abs/2203.11797

PDF

https://arxiv.org/pdf/2203.11797.pdf

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