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Shujian Gao

2 papers indexed

arxivcs.CV2026-07-14

EvoGraph-R1: Self-Evolving Multimodal Knowledge Hypergraphs for Agentic Retrieval

Jiashi Lin, Changhong Jiang, Xiangru Lin, Ruifei Zhang, Xinyi Zhu, Jiyao Liu, et al.

Retrieval-augmented generation (RAG) has emerged as a critical paradigm for grounding Multimodal Large Language Models (MLLMs) in external knowledge. Recent GraphRAG methods introduce structured entity-relation graphs to improve retrieval and reasoning. However, they remain limit…

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arxivcs.CVcs.AI2026-07-02

MedStreamBench: A Time-Aware Benchmark for Streaming and Proactive Medical Video Understanding

Yuan Wang, Shujian Gao, Songtao Jiang, Zhengyu Hu, Zuozhu Liu

Existing medical video benchmarks primarily evaluate whether a model produces the correct answer, but rarely assess whether it answers at the right time. In real clinical settings, AI systems must decide not only what to predict, but also when to answer, defer judgment, or proact…

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