Search Results for author: Chengdong Dong

Found 2 papers, 0 papers with code

Towards Function Space Mesh Watermarking: Protecting the Copyright of Signed Distance Fields

no code implementations18 Nov 2023 Xingyu Zhu, Guanhui Ye, Chengdong Dong, Xiapu Luo, Xuetao Wei

Our method can recover the message with high-resolution meshes extracted from SDFs and detect the watermark even when mesh vertices are extremely sparse.

Think Twice Before Detecting GAN-Generated Fake Images From Their Spectral Domain Imprints

no code implementations CVPR 2022 Chengdong Dong, Ajay Kumar, Eryun Liu

We show from our experiments that the artifacts in frequency spectrum of such fake images can be mitigated by proposed methods, which leads to the sharp decrease of performance of spectrum-based detectors.

Generative Adversarial Network

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