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Rui-Feng Yuan

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#natural language process... Preprint Sep 2026

AutoDataBench: A Data-centric Testbed for Accelerating Auto Research

Existing auto-research benchmarks often entangle multiple sources of improvement, including training frameworks, hyperparameters, compute budgets, and data, making it difficult to attribute why one frontier agent outperforms another to specific research capabilities. In this work, we isolate and systematically evaluate...

Rui-Feng Yuan, Yi-Zhi Li, Ya-Xin Du et al. · 0 citations
Sep 2026

Lingshu: Generalist Foundation Model for Unified Multimodal Medical Understanding and Reasoning.

This work proposes a comprehensive data-curation procedure that efficiently acquires rich medical knowledge data not only from medical imaging but also from extensive medical texts and general domain data and develops a medical-specialized MLLM, Lingshu-Med, which consistently outperforms existing multimodal baselines...

Wei-Wen Xu, Hou-Pong Chan, Long Li et al. · 0 citations
#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, Zhuo-Xu Huang et al. · 2 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 c...

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

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