activity
20242026
most citedHALC: Object Hallucination Reduction via Adaptive Focal-Contrast Decoding

3 citations · 4 across the 7 of their papers we have counts for

collaborators

9 papers

cs.AI2026

C-SafeGen: Certified Safe LLM Generation with Claim-Based Streaming Guardrails

Mintong Kang, Zhaorun Chen, Bo Li

Despite the remarkable capabilities of large language models (LLMs) across diverse applications, they remain vulnerable to generating content that violates safety regulations and p…

cs.CV2026

PolicyShiftGuard: Benchmarking and Improving Policy-Adaptive Image Guardrails

Mingyang Song, Luxin Xu, Haoyu Sun +3

Image guardrails are typically trained and evaluated under a fixed safety policy, implicitly treating safety as an intrinsic property of an image. Real deployments are different: t…

cs.LG2026

CELEUS: Certifiable and Efficient LLM Evaluation via E-Processes

Zhijian Zhou, Zesheng Ye, Zhaorun Chen +2

Can we trust evaluation scores to capture an LLM's true real-world performance? Certifiable evaluation answers this question by providing guarantee for LLM evaluation. In particula…

cs.CV2025

SafeVision: Efficient Image Guardrail with Robust Policy Adherence and Explainability

Peiyang Xu, Minzhou Pan, Zhaorun Chen +3

With the rapid proliferation of digital media, the need for efficient and transparent safeguards against unsafe content is more critical than ever. Traditional image guardrail mode…

cs.CR2025

Poly-Guard: Massive Multi-Domain Safety Policy-Grounded Guardrail Dataset

Mintong Kang, Zhaorun Chen, Chejian Xu +6

As LLMs become widespread across diverse applications, concerns about the security and safety of LLM interactions have intensified. Numerous guardrail models and benchmarks have be…

stat.ML2025

Cer-Eval: Certifiable and Cost-Efficient Evaluation Framework for LLMs

Ganghua Wang, Zhaorun Chen, Bo Li +1

As foundation models continue to scale, the size of trained models grows exponentially, presenting significant challenges for their evaluation. Current evaluation practices involve…

cs.LG2025★ 1 cited

ShieldAgent: Shielding Agents via Verifiable Safety Policy Reasoning

Zhaorun Chen, Mintong Kang, Bo Li

Autonomous agents powered by foundation models have seen widespread adoption across various real-world applications. However, they remain highly vulnerable to malicious instruction…

cs.CV2024

SafeWatch: An Efficient Safety-Policy Following Video Guardrail Model with Transparent Explanations

Zhaorun Chen, Francesco Pinto, Minzhou Pan +1

With the rise of generative AI and rapid growth of high-quality video generation, video guardrails have become more crucial than ever to ensure safety and security across platforms…

cs.CV2024★ 3 cited

HALC: Object Hallucination Reduction via Adaptive Focal-Contrast Decoding

Zhaorun Chen, Zhuokai Zhao, Hongyin Luo +3

While large vision-language models (LVLMs) have demonstrated impressive capabilities in interpreting multi-modal contexts, they invariably suffer from object hallucinations (OH). W…