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Hai Zhou

3 accepted papers

2026

BLM-Guard: Explainable Multimodal Ad Moderation with Chain-of-Thought and Policy-Aligned Rewards

AAAI 2026technical

Short-video platforms now host vast multimodal ads whose deceptive visuals, speech and subtitles demand finer-grained, policy-driven moderation than community safety filters. We present BLM-Guard, a content-audit framework for commercial ads that fuses Chain-of-Thought reasoning with rule-based poli

Cited by 0SourcePDFScholar
2026

LLA: Enhancing Security and Privacy for Generative Models with Logic-Locked Accelerators

AAAI 2026technical

We introduce LLA, an effective intellectual property (IP) protection scheme for generative AI models. LLA leverages the synergy between hardware and software to defend against various supply chain threats, including model theft, model corruption, and information leakage. On the software side, it emb

Cited by 0SourcePDFScholar
2025

AdDriftBench: A Benchmark for Detecting Data Drift and Label Drift in Short Video Advertising

EMNLP 2025

With the commercialization of short video platforms (SVPs), the demand for compliance auditing of advertising content has grown rapidly. The rise of large vision-language models (VLMs) offers new opportunities for automating ad content moderation. However, short video advertising scenarios present u

Cited by 0SourcePDFScholar