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arXiv 2103.01654cs.CV
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Ask&Confirm:面向部分查询的跨模态检索的活动细节丰富

Ask&Confirm: Active Detail Enriching for Cross-Modal Retrieval with Partial Query

Tongji University(同济大学);Tencent Youtu Lab(腾讯优图实验室);Microsoft Research(微软研究院)

Guanyu Cai, Jun Zhang, Xinyang Jiang, Yifei Gong, Lianghua He, Fufu Yu, Pai Peng, Xiaowei Guo, Feiyue Huang, Xing Sun

摘要:

基于文本的图像检索近年来取得了长足的进展。然而,现有方法的性能在现实生活中受到影响,因为用户可能提供图像的不完整描述,这通常导致结果充满了符合不完整描述的误报。在这项工作中,我们介绍了部分查询问题,并广泛地分析其对基于文本的图像检索的影响。以往的交互式方法都是通过被动地接收用户的反馈来迭代地补充不完整的查询,这是一种耗时且需要大量用户努力的方法。相反,我们提出了一个新的检索框架,进行交互过程中的询问和确认的方式,人工智能积极搜索在当前查询中丢失的歧视性细节,用户只需要确认人工智能的建议。具体来说,我们提出了一个基于对象的交互,使交互式检索更加用户友好,并提出了一个基于学习的策略来搜索有区别的对象。此外,由于难以获得人机对话数据,全监督训练通常是不可行的,因此我们提出了一种弱监督训练策略,除了文本图像数据集之外,不需要人类注释的对话。实验表明,我们的框架显着提高基于文本的图像检索的性能。代码可在https://github.com/CuthbertCai/Ask-Confirm获得。

英文摘要:

Text-based image retrieval has seen considerable progress in recent years. However, the performance of existing methods suffers in real life since the user is likely to provide an incomplete description of an image, which often leads to results filled with false positives that fit the incomplete description. In this work, we introduce the partial-query problem and extensively analyze its influence on text-based image retrieval. Previous interactive methods tackle the problem by passively receiving users' feedback to supplement the incomplete query iteratively, which is time-consuming and requires heavy user effort. Instead, we propose a novel retrieval framework that conducts the interactive process in an Ask-and-Confirm fashion, where AI actively searches for discriminative details missing in the current query, and users only need to confirm AI's proposal. Specifically, we propose an object-based interaction to make the interactive retrieval more user-friendly and present a reinforcement-learning-based policy to search for discriminative objects. Furthermore, since fully-supervised training is often infeasible due to the difficulty of obtaining human-machine dialog data, we present a weakly-supervised training strategy that needs no human-annotated dialogs other than a text-image dataset. Experiments show that our framework significantly improves the performance of text-based image retrieval. Code is avaiable at https://github.com/CuthbertCai/Ask-Confirm.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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