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Security and Communication Networks
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Security and Communication Networks
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2021
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Article
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Fig 7
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Research Article
Countering Spoof: Towards Detecting Deepfake with Multidimensional Biological Signals
Figure 7
Schematic diagram of the ppg_map. (a) The ppg_maps generated by real videos. (b) The ppg_maps generated by fake videos.
(a)
(b)