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Sponsored Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt

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Yuheng Shi

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Preprint Sep 2026

Region-Level Policy Optimization for Fine-grained MLLM Perception

Fine-grained visual perception in MLLMs is commonly improved by raising the resolution, but the added visual tokens inflate vision-encoding and language-model prefilling costs. We show that the two operations underlying fine-grained perception, localizing the region of interest (RoI) and recognizing its content, have d...

Yuheng Shi, Xiao-Huan Pei, Min-Jing Dong et al. · 0 citations

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