collaborators

12 papers

cs.CV2026

Trace, Verify, and Correct: A Training-Free Framework for Spatial Reasoning in Multimodal LLMs

Yang Yang, Jiawei Chen, Tairan Chen +1

Although Multimodal Large Language Models (MLLMs) have made substantial progress, their spatial reasoning may still produce intermediate judgments inconsistent with the input image…

cs.LG2026

Exploring the Secondary Risks of Large Language Models

Jiawei Chen, Zhengwei Fang, Yu Tian +4

Ensuring the safety and alignment of Large Language Models is a significant challenge with their growing integration into critical applications and societal functions. While prior…

cs.CV2026

ShredBench: Evaluating the Semantic Reasoning Capabilities of Multimodal LLMs in Document Reconstruction

Zichun Guo, Yuling Shi, Wenhao Zeng +6

Multimodal Large Language Models (MLLMs) have achieved remarkable performance in Visually Rich Document Understanding (VRDU) tasks, but their capabilities are mainly evaluated on p…

cs.CR2026

CLASP: Training-Free LLM-Assisted Source Code Watermarking via Semantic-Preserving Transformations

Rui Xu, Jiawei Chen, Weizhi Liu +3

The proliferation of open-source code and large language models (LLMs) for code generation has amplified the risks of unauthorized reuse and intellectual property infringement. Sou…

cs.CV2026

DO-Bench: An Attributable Benchmark for Diagnosing Object Hallucination in Vision-Language Models

JiYang Wang, Jiawei Chen, Mengqi Xiao +3

Object level hallucination remains a central reliability challenge for vision language models (VLMs), particularly in binary object existence verification. Existing benchmarks emph…

cs.CR2026

Red Teaming Large Reasoning Models

Jiawei Chen, Yang Yang, Chao Yu +6

Large Reasoning Models (LRMs) have emerged as a powerful advancement in multi-step reasoning tasks, offering enhanced transparency and logical consistency through explicit chains o…