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Author

Feng-Chen Liu

2 papers indexed here

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Preprint Aug 2026

Asymmetric Phase Coding Video Watermarking

Existing video watermarking systems are symmetric: the party that can verify a mark holds the extractor weights or generator secret and can therefore also embed one. Benchmarks confirm the consequence, reporting that white-box forgery defeats all evaluated methods. We present a training-free video watermark that remove...

Guang Yang, Feng-Chen Liu · 0 citations
Book Open access Jul 2026

Radial Residual Frequency: A Semantically Aligned Benchmark and Spectral Detector for AI-Generated Images

A data-generation pipeline that captions real photographs with a vision–language model and regenerates them with modern text-to-image systems, producing semantically aligned real/synthetic pairs that isolate generative artifacts from image content is described.

Guang Yang, Qian Zhang, Feng-Chen Liu · 0 citations

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