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Region-Level Policy Optimization for Fine-grained MLLM Perception

Shi, Yuheng et al.
arXiv (All) · Papers
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computer-vision-and-pattern-recognition
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
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