Diffuse Everything: Multimodal Diffusion Models on Arbitrary State Spaces

Fuente: arXiv
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Autori principali: Rojas, Kevin, Zhu, Yuchen, Zhu, Sichen, Ye, Felix X. -F., Tao, Molei
Natura: Preprint
Pubblicazione: 2025
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author Rojas, Kevin
Zhu, Yuchen
Zhu, Sichen
Ye, Felix X. -F.
Tao, Molei
author_facet Rojas, Kevin
Zhu, Yuchen
Zhu, Sichen
Ye, Felix X. -F.
Tao, Molei
contents Diffusion models have demonstrated remarkable performance in generating unimodal data across various tasks, including image, video, and text generation. On the contrary, the joint generation of multimodal data through diffusion models is still in the early stages of exploration. Existing approaches heavily rely on external preprocessing protocols, such as tokenizers and variational autoencoders, to harmonize varied data representations into a unified, unimodal format. This process heavily demands the high accuracy of encoders and decoders, which can be problematic for applications with limited data. To lift this restriction, we propose a novel framework for building multimodal diffusion models on arbitrary state spaces, enabling native generation of coupled data across different modalities. By introducing an innovative decoupled noise schedule for each modality, we enable both unconditional and modality-conditioned generation within a single model simultaneously. We empirically validate our approach for text-image generation and mixed-type tabular data synthesis, demonstrating that it achieves competitive performance.
format Preprint
id arxiv_https___arxiv_org_abs_2506_07903
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Diffuse Everything: Multimodal Diffusion Models on Arbitrary State Spaces
Rojas, Kevin
Zhu, Yuchen
Zhu, Sichen
Ye, Felix X. -F.
Tao, Molei
Machine Learning
Artificial Intelligence
Computer Vision and Pattern Recognition
Diffusion models have demonstrated remarkable performance in generating unimodal data across various tasks, including image, video, and text generation. On the contrary, the joint generation of multimodal data through diffusion models is still in the early stages of exploration. Existing approaches heavily rely on external preprocessing protocols, such as tokenizers and variational autoencoders, to harmonize varied data representations into a unified, unimodal format. This process heavily demands the high accuracy of encoders and decoders, which can be problematic for applications with limited data. To lift this restriction, we propose a novel framework for building multimodal diffusion models on arbitrary state spaces, enabling native generation of coupled data across different modalities. By introducing an innovative decoupled noise schedule for each modality, we enable both unconditional and modality-conditioned generation within a single model simultaneously. We empirically validate our approach for text-image generation and mixed-type tabular data synthesis, demonstrating that it achieves competitive performance.
title Diffuse Everything: Multimodal Diffusion Models on Arbitrary State Spaces
topic Machine Learning
Artificial Intelligence
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2506.07903