A construction principle for diffusion reference processes that gives simulation-free training and finite-time generation simultaneously, with conditional flow matching recovered as the zero-noise limit.
(49), the gradient of its log-density is ∇y logπ(y) =− sinh−1yp 1 +y 2− y 1 +y 2.(D5) Substituting Eq
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Simulation-free and finite-time diffusion model
A construction principle for diffusion reference processes that gives simulation-free training and finite-time generation simultaneously, with conditional flow matching recovered as the zero-noise limit.