Derives closed-form posterior covariance for flow matching from divergence of velocity field, enabling post-hoc uncertainty on pre-trained models including one-step generators.
A stochastic estimator of the trace of the influence matrix for Laplacian smoothing splines.Com- munications in Statistics—Simulation and Computation, 18 (3):1059–1076
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Divergence is Uncertainty: A Closed-Form Posterior Covariance for Flow Matching
Derives closed-form posterior covariance for flow matching from divergence of velocity field, enabling post-hoc uncertainty on pre-trained models including one-step generators.