4 papers
LambdaMark: Semantic Audio Watermarking for Robustness and Radioactivity
Kexin Li, Xiao Hu, Ilya Grishchenko +1
Recent advances in generative audio have made voice cloning increasingly effortless, enabling voice fraud, impersonation, and other forms of unauthorized use. A common attack finet…
HarmonicAttack: An Adaptive Cross-Domain Audio Watermark Removal
Kexin Li, Xiao Hu, Ilya Grishchenko +1
The availability of high-quality, AI-generated audio raises security challenges such as misinformation campaigns and voice-cloning fraud. A key defense against the misuse of AI-gen…
Diffusion-based Surrogate Model for Time-varying Underwater Acoustic Channels
Kexin Li, Mandar Chitre
Accurate modeling of time-varying underwater acoustic channels is essential for the design, evaluation, and deployment of reliable underwater communication systems. Conventional ph…
HMARK: Radioactive Multi-Bit Semantic-Latent Watermarking for Diffusion Models
Kexin Li, Guozhen Ding, Ilya Grishchenko +1
Modern generative diffusion models rely on vast training datasets, often including images with uncertain ownership or usage rights. Radioactive watermarks -- marks that transfer to…