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Protein Discovery with Discrete Walk-Jump Sampling
March 19, 2024, 4:45 a.m. | Nathan C. Frey, Daniel Berenberg, Karina Zadorozhny, Joseph Kleinhenz, Julien Lafrance-Vanasse, Isidro Hotzel, Yan Wu, Stephen Ra, Richard Bonneau, Ky
cs.LG updates on arXiv.org arxiv.org
Abstract: We resolve difficulties in training and sampling from a discrete generative model by learning a smoothed energy function, sampling from the smoothed data manifold with Langevin Markov chain Monte Carlo (MCMC), and projecting back to the true data manifold with one-step denoising. Our Discrete Walk-Jump Sampling formalism combines the contrastive divergence training of an energy-based model and improved sample quality of a score-based model, while simplifying training and sampling by requiring only a single noise …
abstract arxiv cs.lg data denoising discovery energy function generative manifold markov mcmc protein q-bio.bm sampling training true type
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