Now You See Me, Now You Don't: A Unified Framework for Expression Consistent Anonymization in Talking Head Videos
Anil Egin, Andrea Tangherloni, Antitza Dantcheva

TL;DR
This paper introduces Anon-NET, a unified framework for anonymizing talking head videos that effectively obfuscates identity while maintaining expression, pose, and other attributes, enabling privacy-preserving analysis.
Contribution
The paper presents a novel diffusion-based face inpainting and expression transfer method that preserves key attributes and temporal consistency in anonymized videos.
Findings
Effective identity obfuscation demonstrated on multiple datasets.
Preserves expression, pose, and other attributes in anonymized videos.
Maintains visual realism and temporal consistency.
Abstract
Face video anonymization is aimed at privacy preservation while allowing for the analysis of videos in a number of computer vision downstream tasks such as expression recognition, people tracking, and action recognition. We propose here a novel unified framework referred to as Anon-NET, streamlined to de-identify facial videos, while preserving age, gender, race, pose, and expression of the original video. Specifically, we inpaint faces by a diffusion-based generative model guided by high-level attribute recognition and motion-aware expression transfer. We then animate deidentified faces by video-driven animation, which accepts the de-identified face and the original video as input. Extensive experiments on the datasets VoxCeleb2, CelebV-HQ, and HDTF, which include diverse facial dynamics, demonstrate the effectiveness of AnonNET in obfuscating identity while retaining visual realism…
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Taxonomy
TopicsFace recognition and analysis · Generative Adversarial Networks and Image Synthesis · Emotion and Mood Recognition
