arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2412.01271cs.CLcs.AI
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MuLan:以可忽略成本将多语言扩散模型适配到数百种语言

MuLan: Adapting Multilingual Diffusion Models for Hundreds of Languages with Negligible Cost

Tsinghua University(清华大学);The Chinese University of Hong Kong(香港中文大学);Johns Hopkins University(约翰斯·霍普金斯大学)

Sen Xing, Muyan Zhong, Zeqiang Lai, Liangchen Li, Jiawen Liu, Yaohui Wang, Jifeng Dai, Wenhai Wang

AI总结:

MuLan 提出一个轻量级多语言适配器,通过冻结文本编码器和扩散模型,以极低成本实现超过 110 种语言的高质量图像生成,并兼容多种社区工具。

摘要:

在这项工作中,我们探索了一个具有成本效益的多语言图像生成框架。我们发现,与在高质量多语言标注图像上微调的模型不同,利用在广泛可得、带有噪声的互联网图文对上预训练的文本编码器,能显著提升跨多种语言的文本到图像(T2I)生成的数据效率。基于这一见解,我们提出了 MuLan,即 Multi-Language adapter,一个参数量少于 2000 万的轻量级语言适配器,与冻结的文本编码器和图像扩散模型一起训练。与以往的多语言 T2I 模型相比,该框架具有以下优势:(1)成本效率。使用易于获取的英文数据和现成的多语言文本编码器,最大限度地降低了训练成本;(2)高性能。在超过 110 种语言中实现了可比的生成能力,CLIP 相似度得分几乎与英语持平(英语为 39.57,其他语言为 39.61);(3)广泛适用性。能够与 LoRA、LCM、ControlNet 和 IP-Adapter 等兼容的社区工具无缝集成,拓展了其潜在应用场景。

英文摘要:

In this work, we explore a cost-effective framework for multilingual image generation. We find that, unlike models tuned on high-quality images with multilingual annotations, leveraging text encoders pre-trained on widely available, noisy Internet image-text pairs significantly enhances data efficiency in text-to-image (T2I) generation across multiple languages.Based on this insight, we introduce MuLan, Multi-Language adapter, a lightweight language adapter with fewer than 20M parameters, trained alongside a frozen text encoder and image diffusion model. Compared to previous multilingual T2I models, this framework offers: (1) Cost efficiency. Using readily accessible English data and off-the-shelf multilingual text encoders minimizes the training cost; (2) High performance. Achieving comparable generation capabilities in over 110 languages with CLIP similarity scores nearly matching those in English (39.57 for English vs. 39.61 for other languages); and (3) Broad applicability. Seamlessly integrating with compatible community tools like LoRA, LCM, ControlNet, and IP-Adapter, expanding its potential use cases.

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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