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LatentCRF: Continuous CRF for Efficient Latent Diffusion
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Latent Diffusion Models (LDMs) produce high-quality, photo-realistic images, however, the latency incurred by multiple costly inference iterations can restrict their applicability. We introduce LatentCRF, a continuous Conditional Random Field (CRF) model, implemented as a neural network layer, that models the spatial and semantic relationships among the latent vectors in the LDM. By replacing some of the computationally-intensive LDM inference iterations with our lightweight LatentCRF, we achieve a superior balance between quality, speed and diversity. We increase inference efficiency by 33% with no loss in image quality or diversity compared to the full LDM. LatentCRF is an easy add-on, which does not require modifying the LDM.
Forward citations
Cited by 1 Pith paper
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Approximate Structured Diffusion for Sequence Labelling
Diffusion training lets a CRF condition on noisy entire label sequences, yielding 16.5% error reduction on POS-tagging via approximate inference.
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