Author

Bowei Liu

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Preprint Sep 2026

OP-CAD: On-Policy Clean-Audio Distillation for Robust Audio-Visual Reasoning

Omni-modal large language models deployed in real-world environments encounter external noise that can interfere with their perception and understanding of multimodal inputs. We study their robustness in audio-visual understanding, focusing on question answering under environmental noise and competing speech. The chall...

Xing-Ming Shui, Da-Peng Chen, Bo-Wei Liu et al. · 0 citations

Preprint Aug 2026

VidForensics-M1: Meta-Detection Reinforcement Learning with Verifiable Temporal Grounding for AI-Generated Video Forensics

This work introduces meta-detection into AI-generated video detection, enabling reliable forgery detection by jointly optimizing predicted labels and supporting evidence within reinforcement learning, and introduces evidence-aware credit assignment, which preserves reliable label supervision while encouraging detectors...

Bo-Wei Liu, Zheng Lu, Yuhan Bian et al. · 1 citation