Manipulating queries and keys enables training-free MM-DiT editing

QK-Edit preserves visual structure while applying text-guided changes by selectively replacing image or video components in attention queries and keys.

Chinese Tech
Tiancheng Shen · Zilong Huang · Xiangtai Li · Zhijie Lin · Jiyang Liu · Yitong Wang · +3 more

UC Merced · ByteDance Seed · ByteDance Intelligent Creation · CUHK

Research Digest··2 min read
Shen and colleagues analyze how text and visual tokens interact inside multimodal diffusion transformers, then use those observations to build a training-free editor for images and videos.

The authors decomposed multimodal self-attention into four interaction types: text-to-text, text-to-vision, vision-to-text and vision-to-vision.

Why this paper

From ByteDance Seed and 3 others

In one line

QK-Edit manipulates query-key attention in MM-DiTs for training-free text-guided image and video editing.

What we could check

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  • ✓Limitations stated by the authors (3 noted)
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Research Digest

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