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Feng-Yun Rao

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#artificial intelligence Preprint Sep 2026

Interpolated Policy Distillation: A Controllable Continuum Between Off-Policy and On-Policy Distillation

Interpolated Policy Distillation is introduced, which defines the next-token distribution at every decoding step as an explicit linear interpolation between the student and teacher distributions, demonstrating that token-level policy interpolation better balances trajectory quality and student learnability.

You-Xu Shi, Yi-Fan Sun, Da-Cheng Yin et al. · 0 citations
Preprint Aug 2026

WeMM-Embedding: WeChat Multi-Modal Embedding Technical Report

WeMM-Embedding is presented, a family of universal multimodal embedding models supporting text, images, videos, visual documents, and arbitrarily interleaved multimodal inputs with flexible output dimensions and achieves leading performance on multiple public benchmarks.

Jun-Jie Zhou, Ke Mei, Lei Li et al. · 7 citations
Jul 2026

MMAgent-R2: Learning to Rerank and Reject for Agentic mRAG

MMAgent-R$^2$, an agentic mRAG framework that integrates visual reranking and active rejection as its internal verification mechanism, is proposed and achieves joint optimization of external retrieval, internal verification, and answer generation via GRPO training.

Tao Zhang, Ziqi Zhang, Zongyang Ma et al. · 0 citations
Jul 2026

Segmentation before Answering: Pixel Grounding for MLLM Visual Reasoning

This paper proposes SegAnswer, which shifts the unit of zoom-in from the popular bounding box to pixel-level segmentation mask, and demonstrates its capability for reliable pixel grounding.

Yake Wei, Yuan Wang, Fengyun Rao et al. · 0 citations

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