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ReToken: One Token to Improve Vision-Language Models for Visual Retrieval

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20% relative), and on LVBench it transfers zero-shot to long video for an 8.0-point gain with Qwen3VL-8B. Thanks to its lightweight design, both training and long-video inference fit on a single H100. Code is available at: https://github.com/avaxiao/ReToken","upvotes":1,"discussionId":"6a6c04057bd25d8874c07120","githubRepo":"https://github.com/avaxiao/ReToken","githubRepoAddedBy":"user","githubStars":1},"canReadDatabase":false,"canManagePapers":false,"canSubmit":false,"hasHfLevelAccess":false,"upvoted":false,"upvoters":[{"_id":"63ee3a4af599efc7a01107ee","avatarUrl":"/avatars/bbd08f68ac956beed58923646f204ea2.svg","isPro":false,"fullname":"KeyKy","user":"kangyang","type":"user"}],"acceptLanguages":["en"],"dailyPaperRank":0,"markdownContentUrl":"https://huggingface.co/buckets/huggingchat/papers-content/resolve/2607/2607.28627.md","query":{}}">
Papers
arxiv:2607.28627

ReToken: One Token to Improve Vision-Language Models for Visual Retrieval

Published on Jul 30
· Submitted by
taesiri
on Jul 31
Authors:
,

Abstract

Long visual context poses a challenge for vision-language models: performance degrades as the number of distractors grows, and processing all tokens at once is computationally infeasible under GPU memory constraints. We present ReToken, a single learnable embedding trained as an explicit retrieval target that selects a sparse set of query-relevant visual tokens from a pre-filled visual KV cache. Trained on only a small image-QA dataset, ReToken yields consistent gains across image and video benchmarks: on Visual Haystacks it improves Qwen3VL-8B by 13.4 points and InternVL3.5 by 12.4 points (>20% relative), and on LVBench it transfers zero-shot to long video for an 8.0-point gain with Qwen3VL-8B. Thanks to its lightweight design, both training and long-video inference fit on a single H100. Code is available at: https://github.com/avaxiao/ReToken

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