Examples gallery

This is a gallery of all the POT example files.

OT and regularized OT

Optimal Transport for 1D distributions — Optimal Transport for 1D distributions

Smooth optimal transport example — Smooth optimal transport example

Regularized OT with generic solver — Regularized OT with generic solver

Optimal Transport between 2D empirical distributions — Optimal Transport between 2D empirical distributions

OT distances in 1D — OT distances in 1D

Optimal Transport with different gournd metrics — Optimal Transport with different gournd metrics

Introduction to Optimal Transport with Python — Introduction to Optimal Transport with Python

POT backend examples

Wasserstein unmixing with PyTorch — Wasserstein unmixing with PyTorch

Dual OT solvers for entropic and quadratic regularized OT with Pytorch — Dual OT solvers for entropic and quadratic regularized OT with Pytorch

Wasserstein 1D (flow and barycenter) with PyTorch — Wasserstein 1D (flow and barycenter) with PyTorch

Wasserstein 2 Minibatch GAN with PyTorch — Wasserstein 2 Minibatch GAN with PyTorch

Sliced Wasserstein barycenter and gradient flow with PyTorch — Sliced Wasserstein barycenter and gradient flow with PyTorch

Continuous OT plan estimation with Pytorch — Continuous OT plan estimation with Pytorch

Optimizing the Gromov-Wasserstein distance with PyTorch — Optimizing the Gromov-Wasserstein distance with PyTorch

Wasserstein barycenters

2D free support Wasserstein barycenters of distributions — 2D free support Wasserstein barycenters of distributions

Convolutional Wasserstein Barycenter example — Convolutional Wasserstein Barycenter example

1D Wasserstein barycenter demo — 1D Wasserstein barycenter demo

Debiased Sinkhorn barycenter demo — Debiased Sinkhorn barycenter demo

1D Wasserstein barycenter: exact LP vs entropic regularization — 1D Wasserstein barycenter: exact LP vs entropic regularization

Domain adaptation examples

Linear OT mapping estimation — Linear OT mapping estimation

OT with Laplacian regularization for domain adaptation — OT with Laplacian regularization for domain adaptation

OT for image color adaptation — OT for image color adaptation

OT mapping estimation for domain adaptation — OT mapping estimation for domain adaptation

OT for image color adaptation with mapping estimation — OT for image color adaptation with mapping estimation

OTDA unsupervised vs semi-supervised setting — OTDA unsupervised vs semi-supervised setting

OT for domain adaptation — OT for domain adaptation

OT for domain adaptation on empirical distributions — OT for domain adaptation on empirical distributions

OT for multi-source target shift — OT for multi-source target shift

Gromov and Fused-Gromov-Wasserstein

Gromov-Wasserstein example — Gromov-Wasserstein example

Plot Fused-gromov-Wasserstein — Plot Fused-gromov-Wasserstein

Plot graphs barycenter using FGW — Plot graphs barycenter using FGW

Gromov-Wasserstein Barycenter example — Gromov-Wasserstein Barycenter example

(Fused) Gromov-Wasserstein Linear Dictionary Learning — (Fused) Gromov-Wasserstein Linear Dictionary Learning

Other OT problems

Screened optimal transport (Screenkhorn) — Screened optimal transport (Screenkhorn)

Weak Optimal Transport VS exact Optimal Transport — Weak Optimal Transport VS exact Optimal Transport

Optimal transport with factored couplings — Optimal transport with factored couplings

Wasserstein Discriminant Analysis — Wasserstein Discriminant Analysis

Stochastic examples — Stochastic examples

Logo of the POT toolbox

Sliced Wasserstein Distance

Sliced Wasserstein Distance on 2D distributions — Sliced Wasserstein Distance on 2D distributions

Unbalanced and Partial OT

1D Unbalanced optimal transport — 1D Unbalanced optimal transport

2D examples of exact and entropic unbalanced optimal transport — 2D examples of exact and entropic unbalanced optimal transport

1D Wasserstein barycenter demo for Unbalanced distributions — 1D Wasserstein barycenter demo for Unbalanced distributions

Partial Wasserstein and Gromov-Wasserstein example — Partial Wasserstein and Gromov-Wasserstein example

Regularization path of l2-penalized unbalanced optimal transport — Regularization path of l2-penalized unbalanced optimal transport

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Python Optimal Transport versions

Versions: Release; Development

On GitHub: Code on Github