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Yupeng Hu

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Preprint Oct 2026

VisualErase: Dual-Branch Visual Trajectory Redirection for Robust Concept Erasure in Text-to-Image Diffusion Models

Concept erasure is essential for the safe deployment of text-to-image diffusion models, as they may reproduce harmful, copyrighted, or privacy-sensitive content learned from unconstrained large-scale data. Existing methods typically erase unwanted concepts while preserving general generation capability by redirecting t...

Qian-Long Xiang, Miao Zhang, Kun Wang et al. · 0 citations
Preprint Oct 2026

GroundSight at GroundLM 2026 Shared Tasks: GoldenViewVQA

GoldenViewVQA requires models to jointly answer driving-scene questions and identify the camera view containing the supporting visual evidence, making precise evidence localization as important as answer correctness. We present \textbf{CoVeR-VQA}, a training-free multi-stage verification and correction framework for gr...

Kun Wang, Yu-Peng Hu, Ru-Ping Cao et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MM-ContextFold: Context Folding for Multimodal Agentic Retrieval

MM-ContextFold is proposed, a training-free framework that loads raw images only when needed and maintains a persistent, text-only main context for high-level planning and spawns ephemeral branch contexts for image-dependent subtasks.

Yang Tian, Fan Liu, Jing-Yuan Zhang et al. · 0 citations
Preprint Aug 2026

LightAIR: Lightweight Action Inversion and Riemannian Rectification for Text-based Person Anomaly Search

The Lightweight Action Inversion and Riemannian rectification network (LightAIR) is proposed, which introduces textual semantic priors as anchors via a lightweight action inversion operator to extract pure action features, thereby overcoming visual-inherent coupling.

Yulun Zhang, Zixu Li, Zhiwei Chen et al. · 0 citations

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