Sizhou Chen

MDD: A Mask Diffusion Detector to Protect Speaker Verification Systems from Adversarial Perturbations

2025

Speaker verification systems are increasingly deployed in security-sensitive applications but remain highly vulnerable to adversarial perturbations. In this work, we propose the Mask Diffusion Detector (MDD), a novel adversarial detection and purification framework based on …

HAMLET: A Hierarchical and Adaptive Multi-Agent Framework for Live Embodied Theatrics

2025 · ArXiv.org

Creating an immersive and interactive theatrical experience is a long-term goal in the field of interactive narrative. The emergence of large language models (LLMs) provides a new path to achieve this goal. However, existing drama …