2023

Unified Multi-Modal Latent Diffusion for Joint Subject and Text Conditional Image Generation

Ma, Yiyang, Yang, Huan, Wang, Wenjing et al.

Understand

Language-guided image generation has achieved great success nowadays by using diffusion models.

  • However, texts can be less detailed to describe highly-specific subjects such as a particular dog or a certain car, which makes pure text-to-image generation not accurate enough to satisfy user requirements.
  • In this work, we present a novel Unified Multi-Modal Latent Diffusion (UMM-Diffusion) which takes joint texts and images containing specified subjects as input sequences and generates customized images with the subjects.
  • To be more specific, both input texts and images are encoded into one unified multi-modal latent space, in which the input images are learned to be projected to pseudo word embedding and can be further combined with text to guide image generation.

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