A Language-Informed Loss for Visual Generation

Hugging Face Daily Papers Papers

Summary

该论文提出 LILIE(Language-Informed and Lossless Image Encoder),利用可逆归一化流编码器为文本到图像生成提供语言监督损失,在 GPIC 数据集上将 JiT 模型的 gFD 从 66.84 降至 53.01,相比纯像素损失显著提升保真度。

End-to-end visual generation with pixel-space loss has recently achieved competitive performance without the need for learned image tokenizers. In this work, we study whether language-informed supervision can provide a richer training signal than pixel loss for visual generation. We introduce LILIE (pronounced "lily"), a Language-Informed and Lossless Image Encoder. LILIE is an invertible image transform trained such that a vision-language model can recover captions from noised features. The encoder uses a normalizing flow transformer trained jointly with a vision-language model via next token prediction. We then use the encoder to extract a simple language-informed loss for text-to-image generation. We train JiT models with LILIE loss, reducing gFD by 14 points (66.84 to 53.01) against a pixel-only baseline on the GPIC dataset. Our code, encoders, and generative models are available at https://suchiragarwal.com/lilie.
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Paper page - A Language-Informed Loss for Visual Generation

Source: https://huggingface.co/papers/2610.23653

Abstract

LILIE uses an invertible normalizing-flow encoder to derive language-informed supervision for text-to-image generation, improving fidelity over pixel-only training.

End-to-end visual generation with pixel-space loss has recently achieved competitive performance without the need for learned image tokenizers. In this work, we study whether language-informed supervision can provide a richer training signal than pixel loss for visual generation. We introduce LILIE (pronounced “lily”), a Language-Informed and Lossless Image Encoder. LILIE is aninvertible image transformtrained such that avision-language modelcan recover captions from noised features. The encoder uses anormalizing flowtransformer trained jointly with avision-language modelvianext token prediction. We then use the encoder to extract a simplelanguage-informed lossfortext-to-image generation. We train JiT models with LILIE loss, reducing gFD by 14 points (66.84 to 53.01) against a pixel-only baseline on the GPIC dataset. Our code, encoders, and generative models are available at https://suchiragarwal.com/lilie.

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