DeDiM: De-identification using a diffusion model

Uchida, Hidetsugu; Abe, Narishige; Yamada, Shigefumi

doi:10.1109/biosig55365.2022.9896972

2022 International Conference of the Biometrics Special Interest Group (BIOSIG) 2022

DOI: 10.1109/biosig55365.2022.9896972

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DeDiM: De-identification using a diffusion model

Hidetsugu Uchida

Narishige Abe

Shigefumi Yamada

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2024

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Face De-Identification Using Convolutional Neural Network (CNN) Models for Visual-Copy Detection

Song,

Kim,

Nang

2024

Applied Sciences

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The proliferation of media-sharing platforms has led to issues with illegally edited content and the distribution of pornography. To protect personal information, de-identification technologies are being developed to prevent facial identification. Existing de-identification methods directly alter the pixel values in the face region, leading to reduced feature representation and identification accuracy. This study aims to develop a method that minimizes the possibility of personal identification while effectively preserving important features for image- and video-copy-detection tasks, proposing a new deep-learning-based de-identification approach that surpasses traditional pixel-based alteration methods. We introduce two de-identification models using different approaches: one emphasizing the contours of the original face through feature inversion and the other generating a blurred version of the face using D2GAN (Dual Discriminator Generative Adversarial Network). Both models were evaluated on their performance in image- and video-copy-detection tasks before and after de-identification, demonstrating effective feature preservation. This research presents new possibilities for personal-information protection and digital-content security, contributing to digital-rights management and law enforcement.

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Face De-Identification Using Convolutional Neural Network (CNN) Models for Visual-Copy Detection

Song,

Kim,

Nang

2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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DeDiM: De-identification using a diffusion model

Cited by 1 publication

References 8 publications

Face De-Identification Using Convolutional Neural Network (CNN) Models for Visual-Copy Detection

Face De-Identification Using Convolutional Neural Network (CNN) Models for Visual-Copy Detection

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