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REPA: external representation alignment for diffusion-transformer training

Aligned projected noisy-input hidden features with clean-image features from a pretrained visual encoder as an auxiliary loss for diffusion and flow transformers.

What is recorded here?

Aligned projected noisy-input hidden features with clean-image features from a pretrained visual encoder as an auxiliary loss for diffusion and flow transformers.

Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.

Scientific scope

External representation pretraining and ordinary denoising/flow objectives are inherited. Reported training-step savings depend on the baseline, target metric and setup; they are not end-to-end compute savings including the teacher's pretraining or universal convergence guarantees.

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People and systems

Sihyun Yu; Sangkyung Kwak; Huiwon Jang; Jongheon Jeong; Jonathan Huang; Jinwoo Shin; Saining Xie

Source-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.

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English catalogue narrative

REPA: external representation alignment for diffusion-transformer training

Aligned projected noisy-input hidden features with clean-image features from a pretrained visual encoder as an auxiliary loss for diffusion and flow transformers.

Scientific scope

External representation pretraining and ordinary denoising/flow objectives are inherited. Reported training-step savings depend on the baseline, target metric and setup; they are not end-to-end compute savings including the teacher's pretraining or universal convergence guarantees.

Reading status

This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.

People and systems

Sihyun Yu; Sangkyung Kwak; Huiwon Jang; Jongheon Jeong; Jonathan Huang; Jinwoo Shin; Saining Xie

Source-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.

Original sources