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논문 기본 정보

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(광운대학교) (광운대학교) (광운대학교) (광운대학교) (광운대학교)
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대한전자공학회 대한전자공학회 학술대회 2025년도 대한전자공학회 추계학술대회 논문집
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    초록·키워드

    Recent advances in generative models have made deepfake videos increasingly realistic, posing serious threats to digital security and public trust. Conventional detection methods mainly rely on appearance-based features or artifacts, whose reliability degrades under compression and low- quality conditions. Moreover, modern synthesis techniques can easily circumvent these methods. To overcome these limitations, we propose a physiological signal-based detection method leveraging remote photoplethysmography (rPPG), which reflects subtle skin color variations induced by blood flow and is difficult for generative models to imitate. We introduce a novel hybrid network combining a 1D Convolutional Neural Network (1D CNN) and a Transformer to analyze the extracted rPPG signals. The 1D CNN effectively captures local patterns, while the Transformer models global temporal dependencies. Experiments on the FaceForensics++ and CelebV-HQ datasets demonstrate the effectiveness of our approach, achieving an accuracy of 88.58% and a notably low False Negative Rate (FNR) of 0.35%. This validates that physiological signals serve as a reliable basis for robust deepfake detection.

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      UCI(KEPA) : I410-151-26-02-095551745