Author

Rui Lin

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#artificial intelligence Preprint Sep 2026

UltraG-Bench: A Multi-task Benchmark for assessing Large Vision-Language Models on Pixel-level Evidence Grounding in Ultrasound

This work proposes UltraG-Agent, which combines the semantic reasoning capabilities of a VLM with the ultrasound-specific segmentation capability of UltraSAM3, and shows that UltraG-Agent substantially improves both semantic prediction and pixel-level visual grounding.

Quan-Hao Zhu, Bo Xu, Rui Lin et al. · 0 citations

#natural language process... Preprint Sep 2026

Learn Before You Judge: Progressive Knowledge-to-Decision Alignment for Explainable Hateful Meme Detection

Hateful memes spread abusive content through implicit interactions between images and text, posing serious threats to the safety of online communities. In recent years, multimodal large language models have been widely used for hateful meme detection and are increasingly adopted to generate explainable detection result...

Bo Xu, Chen-Yuan Wang, Xin-Yu Chen et al. · 0 citations