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Rui-Feng Yuan

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#computer vision Preprint Sep 2026

On the Design Fundamentals of Pixel Text Representation Learning

This work investigates the fundamental design principles required for robust visual text representation learning and trains Pixel Linguist II, a native-resolution vision encoder trained with on-the-fly rendering, unified contrastive grounding, and a multilingual curriculum over 280M training examples.

Chaohao Yuan, Rui-Feng Yuan, Zhuoxu Huang et al. · 0 citations
Jul 2026

RadSight: Towards Perceptually Reliable Multimodal Radiology Image Understanding

RadSight is proposed, a perception-driven MLLM built upon a dual 2D/3D encoder architecture that preserves native imaging spatial structures that achieves consistent improvements on public 2D and 3D medical benchmarks, further demonstrating that robust low-level visual perception is a critical foundation for reliable clinical understanding.

Jianqi Liu, Weiwei Cao, Wan-Xing Chang et al. · 0 citations

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