Search Results for author: Jianwei Fei

Found 7 papers, 0 papers with code

Robust Retraining-free GAN Fingerprinting via Personalized Normalization

no code implementations9 Nov 2023 Jianwei Fei, Zhihua Xia, Benedetta Tondi, Mauro Barni

In recent years, there has been significant growth in the commercial applications of generative models, licensed and distributed by model developers to users, who in turn use them to offer services.

Wide Flat Minimum Watermarking for Robust Ownership Verification of GANs

no code implementations25 Oct 2023 Jianwei Fei, Zhihua Xia, Benedetta Tondi, Mauro Barni

We present the results of extensive experiments showing that the presence of the watermark has a negligible impact on the quality of the generated images, and proving the superior robustness of the watermark against model modification and surrogate model attacks.

Quantization

Learning to mask: Towards generalized face forgery detection

no code implementations29 Dec 2022 Jianwei Fei, Yunshu Dai, Huaming Wang, Zhihua Xia

Our goal is to reduce the features that are easy to learn in the training phase, so as to reduce the risk of overfitting on specific forgery types.

Data Augmentation

Learning Second Order Local Anomaly for General Face Forgery Detection

no code implementations CVPR 2022 Jianwei Fei, Yunshu Dai, Peipeng Yu, Tianrun Shen, Zhihua Xia, Jian Weng

We also propose a Local Enhancement Module (LEM) to improve the discrimination between local features of real and forged regions, so as to ensure accuracy in calculating anomalies.

Supervised GAN Watermarking for Intellectual Property Protection

no code implementations7 Sep 2022 Jianwei Fei, Zhihua Xia, Benedetta Tondi, Mauro Barni

The aim is to watermark the GAN model so that any image generated by the GAN contains an invisible watermark (signature), whose presence inside the image can be checked at a later stage for ownership verification.

A Robust Document Image Watermarking Scheme using Deep Neural Network

no code implementations26 Feb 2022 Sulong Ge, Zhihua Xia, Jianwei Fei, Xingming Sun, Jian Weng

Then the identity can be extracted to prove the copyright from the watermarked carrier even after suffering various attacks.

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