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Pengfei Wan

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Preprint Oct 2026

PIGEONS: Incremental Long-Video Captioning with Persistent Identity Gallery and Evolving Overarching Narrative Summary

Detailed video captioning has become an essential semantic interface for multi-modal understanding and generation. While existing methods mainly target short videos, extending them to long videos remains challenging, primarily due to limited context windows of current video understanding models. A naive solution is to...

Xinlong Chen, Wei-Hong Lin, Yuan-Xing Zhang et al. · 0 citations
Preprint Aug 2026

ContextMaster: Interactive Multi-Shot Video Creation via Fixed-Budget Sparse Context Routing

A two-stage privileged context distillation framework, which transfers full context behavior from a dense teacher through consistency distillation and then refines deployment rollouts with distribution matching, is proposed, which transfers full context behavior from a dense teacher through consistency distillation.

Xu Guo, Zhengxuan Wei, Xinghui Li et al. · 0 citations
Jul 2026

Beacon: Knowing When and How to Perform Agentic Visual Reasoning

Beacon, a novel agentic visual reasoning model trained with supervised fine-tuning and reinforcement learning, is proposed, which achieves the highest average score among the evaluated open-source models and ranks first on 11 benchmarks.

Qi-Xun Wang, Yang Shi, Le-Tian Cheng et al. · 1 citation
Jul 2026

ReBind: Multi-Reference Video Editing via Structured Instructions with Explicit Reference Relationships

This work proposes ReBind, a systematic framework that introduces semantic instructions with embedded reference tokens as the intermediate representation for multi-reference image-conditioned video editing and develops ReBind-Instruct, a specialized MLLM that learns to establish explicit bindings between visual attribu...

Xin-Yu Liu, Shi-Hao Li, Weihong Lin et al. · 2 citations

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