Improving Video Deepfake Detection: A DCT-Based Approach with Patch-Level Analysis

• URL: http://arxiv.org/abs/2310.11204v2
• Date: Tue, 9 Jan 2024 08:57:08 GMT
• Title: Improving Video Deepfake Detection: A DCT-Based Approach with Patch-Level Analysis
• Authors: Luca Guarnera (1), Salvatore Manganello (1), Sebastiano Battiato (1) ((1) University of Catania)
• Abstract summary: The I-frames were extracted in order to provide faster computation and analysis than approaches described in the literature. To identify the discriminating regions within individual video frames, the entire frame, background, face, eyes, nose, mouth, and face frame were analyzed separately. Experimental results show that the eye and mouth regions are those most discriminative and able to determine the nature of the video under analysis.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: A new algorithm for the detection of deepfakes in digital videos is presented. The I-frames were extracted in order to provide faster computation and analysis than approaches described in the literature. To identify the discriminating regions within individual video frames, the entire frame, background, face, eyes, nose, mouth, and face frame were analyzed separately. From the Discrete Cosine Transform (DCT), the Beta components were extracted from the AC coefficients and used as input to standard classifiers. Experimental results show that the eye and mouth regions are those most discriminative and able to determine the nature of the video under analysis.

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