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cs.CR2026
Asymmetric Phase Coding Video Watermarking
Guang Yang, Fengchen Liu
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 con…
cs.CV2026
Growing a Stand, Not a Tree: Joint Canopy Generation Reproduces Crown Shyness
Guang Yang, Fengchen Liu
In closed forests, neighboring tree crowns often stop short of touching, leaving a network of narrow gaps known as crown shyness. The pattern belongs to the stand rather than to an…
cs.CR2026
GLID: Gated Local Intrinsic Dimension Repairs the Blind Spots of Face-Forgery Detectors
Guang Yang, Fengchen Liu
Fine-tuned foundation-model detectors dominate face-forgery benchmarks, yet they stay blind to generator families absent from training. We present GLID, a detector that repairs thi…