Deepfake Detection with Spatio-Temporal Consistency and Attention

• URL: http://arxiv.org/abs/2502.08216v1
• Date: Wed, 12 Feb 2025 08:51:33 GMT
• Title: Deepfake Detection with Spatio-Temporal Consistency and Attention
• Authors: Yunzhuo Chen, Naveed Akhtar, Nur Al Hasan Haldar, Ajmal Mian,
• Abstract summary: Deepfake videos are causing growing concerns among communities due to their ever-increasing realism. Current methods for detecting forged videos rely mainly on global frame features. We propose a neural Deepfake detector that focuses on the localized manipulative signatures of the forged videos.
• Score: 46.1135899490656
• License:
• Abstract: Deepfake videos are causing growing concerns among communities due to their ever-increasing realism. Naturally, automated detection of forged Deepfake videos is attracting a proportional amount of interest of researchers. Current methods for detecting forged videos mainly rely on global frame features and under-utilize the spatio-temporal inconsistencies found in the manipulated videos. Moreover, they fail to attend to manipulation-specific subtle and well-localized pattern variations along both spatial and temporal dimensions. Addressing these gaps, we propose a neural Deepfake detector that focuses on the localized manipulative signatures of the forged videos at individual frame level as well as frame sequence level. Using a ResNet backbone, it strengthens the shallow frame-level feature learning with a spatial attention mechanism. The spatial stream of the model is further helped by fusing texture enhanced shallow features with the deeper features. Simultaneously, the model processes frame sequences with a distance attention mechanism that further allows fusion of temporal attention maps with the learned features at the deeper layers. The overall model is trained to detect forged content as a classifier. We evaluate our method on two popular large data sets and achieve significant performance over the state-of-the-art methods.Moreover, our technique also provides memory and computational advantages over the competitive techniques.

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