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Jian Luan

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Preprint Sep 2026

Xiaomi-OCR-0 Technical Report

Compact OCR-specific vision-language models achieve strong document parsing performance, but often rely on costly supervision and focus primarily on visual-text reconstruction. We introduce Xiaomi-OCR-0, a unified 0.8B model for document parsing and OCR-centric understanding. We build an approximately 170M-sample OCR-c...

Xin Chen, An-An Du, Feng-Juan Feng et al. · 0 citations
#natural language process... Preprint Sep 2026

Informed Masking: Structure-Aware Perturbation for Reinforcement Learning in Diffusion Large Language Models

This work identifies a systematic upstream/downstream structure in dLLM rollouts and proposes Informed Masking (IM), which derives a per-token priority score from the denoising trajectory at zero extra inference cost and biases mask sampling toward downstream tokens.

Xiao-Yi Yu, E. Sangineto, Pei Fu et al. · 0 citations
Sep 2026

Towards Understanding Token Evolution in Continual Learning of MLLMs

This work revisits catastrophic forgetting from an interpretability perspective and introduces correctness-guided layer alignment (CLA), which allows the new model to inherit multi-layer semantic consistency from its predecessor while learning from ground-truth supervision.

Xu-Sheng Cao, Yi-Fan Meng, Jia-Ze Li et al. · 0 citations
Jul 2026

Switch-Reasoner: Learn When to Think in Multitask Mixtures via Reinforcement Learning

Switch-Reasoner is proposed, a GRPO-based framework that learns to adaptively select reasoning modes for MLLMs and introduces a dual-level regulation mechanism that balances the overall use of Thinking Mode and Direct Mode while providing sample-level supervision based on the relative benefit of the two choices.

Yiyang Fang, Pei Fu, Jinjie Li et al. · 0 citations
Preprint Jul 2026

DeltaV: Thinking with Visual State Updates in Unified Large Multimodal Models

DeltaV is proposed, a ULMM that replaces full-image generation with visual updates and introduces a temporal similarity (TSIM) Router, which stops allocating tokens once the marginal reconstruction gain falls below a threshold.

Pengjie Wang, Linger Deng, Zujian Zhang et al. · 1 citation

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