DefakeHop++: An Enhanced Lightweight Deepfake Detector
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Abstract (arXiv)
On the basis of DefakeHop, an enhanced lightweight Deepfake detector called DefakeHop++ is proposed in this work. The improvements lie in two areas. First, DefakeHop examines three facial regions (i.e., two eyes and mouth) while DefakeHop++ includes eight more landmarks for broader coverage. Second, for discriminant features selection, DefakeHop uses an unsupervised approach while DefakeHop++ adopts a more effective approach with supervision, called the Discriminant Feature Test (DFT). In DefakeHop++, rich spatial and spectral features are first derived from facial regions and landmarks automatically. Then, DFT is used to select a subset of discriminant features for classifier training. As compared with MobileNet v3 (a lightweight CNN model of 1.5M parameters targeting at mobile applications), DefakeHop++ has a model of 238K parameters, which is 16% of MobileNet v3. Furthermore, DefakeHop++ outperforms MobileNet v3 in Deepfake image detection performance in a weakly-supervised setting.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 33 of its 43 references that are in the map. First posted on arXiv 30 Apr 2022.
Builds on
33 of 43 references.
References · 33
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21 more
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Built on by
Citing papers per year: 2022: 2; 2023: 1; 2024: 0; 2025: 1; 2026: 1.
5 papers.
- 2022Green Learning: Introduction, Examples and Outlookcited by 30
- 2022PAGER: Progressive Attribute-Guided Extendable Robust Image Generationcited by 5
- 2023Enhancing Edge Intelligence with Highly Discriminant LNT Featurescited by 3
- 2025Towards Sustainable Universal Deepfake Detection with Frequency-Domain Maskingcited by 0
- 2026Adaptive Gated Deepfake Detection for Low-Resolution and Resource-Constrained Environmentscited by 0
- 2026Adaptive Gated Deepfake Detection for Low-Resolution and Resource-Constrained Environments4 Sep 2026
- 2025Towards Sustainable Universal Deepfake Detection with Frequency-Domain Masking8 Dec 2025
- 2023Enhancing Edge Intelligence with Highly Discriminant LNT Features19 Dec 2023
- 2022Green Learning: Introduction, Examples and Outlook3 Oct 2022
- 2022PAGER: Progressive Attribute-Guided Extendable Robust Image Generation1 Jun 2022