Diffusion models learn a velocity field that matches the Wasserstein gradient flow of the OU process, not a true score, and errors in the Stein null space leave density transport exact.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
cs.LG 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Are We Really Learning the Score Function? Reinterpreting Diffusion Models Through Wasserstein Gradient Flow Matching
Diffusion models learn a velocity field that matches the Wasserstein gradient flow of the OU process, not a true score, and errors in the Stein null space leave density transport exact.