Author

Qingxin Xiao

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Preprint Oct 2026

Unlocking Fine-Grained Perception in CLIP via Structurally-Aware Latent Masked Modeling

Vision-Language Models (VLMs) such as CLIP excel in global semantic alignment but often lack fine-grained perceptual capabilities. This hinders dense prediction tasks and bottlenecks the visual potential of Multimodal Large Language Models (MLLMs). Existing research has attempted to enhance CLIP's visual representation...

Jun-Tong Li, Lingwei Dang, Hao-Min Wu et al. · 0 citations

Preprint Sep 2026

CoER: Defending against Adaptive Indirect Prompt Injection via Adversarial Co-Evolution and Refinement

Language-model agents are vulnerable to indirect prompt injection (IPI) during tool use: adversarial instructions hidden in untrusted tool outputs can covertly redirect legitimate task execution. Existing work often trains and evaluates defenses against fixed attacks that do not adapt to the defender's behavior, so the...

Bo-Yang Zhang, Qing-Xin Xiao, Lingwei Dang et al. · 2 citations

Review Aug 2026

Roomer: Reflective Object-Grounded Model Editing and Repair for 3D Indoor Layout Synthesis

Roomer is presented, a reflective repair framework that casts local violations as sparse, object-grounded repair problems and repairs residual violations while preserving valid regions, improves physical validity and usability, and transfers across external generators.

Lingwei Dang, Ziyan Qiu, Jiajia Cheng et al. · 0 citations