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- W4387665622 abstract "The serious concerns over the negative impacts of Deepfakes have attracted wide attentions in the community of multimedia forensics. The existing detection works achieve deepfake detection by improving the traditional backbone networks to capture subtle manipulation traces. However, there is no attempt to construct new backbone networks with different structures for Deepfake detection by improving the internal feature representation of convolution. In this work, we propose a novel Space-Frequency Interactive Convolution (SFIConv) to efficiently model the manipulation clues left by Deepfake. To obtain high-frequency features from tampering traces, a Multichannel Constrained Separable Convolution (MCSConv) is designed as the component of the proposed SFIConv, which learns space-frequency features via three stages, namely generation, interaction and fusion. In addition, SFIConv can replace the vanilla convolution in any backbone networks without changing the network structure. Extensive experimental results show that seamlessly equipping SFIConv into the backbone network greatly improves the accuracy for Deepfake detection. In addition, the space-frequency interaction mechanism does benefit to capturing common artifact features, thus achieving better results in cross-dataset evaluation. Our code will be available at https://github.com/EricGzq/SFIConv." @default.
- W4387665622 created "2023-10-17" @default.
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- W4387665622 date "2023-01-01" @default.
- W4387665622 modified "2023-10-17" @default.
- W4387665622 title "Constructing New Backbone Networks via Space-Frequency Interactive Convolution for Deepfake Detection" @default.
- W4387665622 doi "https://doi.org/10.1109/tifs.2023.3324739" @default.
- W4387665622 hasPublicationYear "2023" @default.
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