summaryrefslogtreecommitdiff
path: root/src/python/doc/wasserstein_distance_user.rst
diff options
context:
space:
mode:
Diffstat (limited to 'src/python/doc/wasserstein_distance_user.rst')
-rw-r--r--src/python/doc/wasserstein_distance_user.rst15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/python/doc/wasserstein_distance_user.rst b/src/python/doc/wasserstein_distance_user.rst
index c443bab5..96ec7872 100644
--- a/src/python/doc/wasserstein_distance_user.rst
+++ b/src/python/doc/wasserstein_distance_user.rst
@@ -17,12 +17,21 @@ are measured in norm p, for :math:`1 \leq p \leq \infty`.
Distance Functions
------------------
-This first implementation uses the Python Optimal Transport library and is based
-on ideas from "Large Scale Computation of Means and Cluster for Persistence
+
+Optimal Transport
+*****************
+
+:Requires: `Python Optimal Transport <installation.html#python-optimal-transport>`_ (POT) :math:`\geq` 0.5.1
+
+This first implementation uses the `Python Optimal Transport <installation.html#python-optimal-transport>`_
+library and is based on ideas from "Large Scale Computation of Means and Cluster for Persistence
Diagrams via Optimal Transport" :cite:`10.5555/3327546.3327645`.
.. autofunction:: gudhi.wasserstein.wasserstein_distance
+Hera
+****
+
This other implementation comes from `Hera
<https://bitbucket.org/grey_narn/hera/src/master/>`_ (BSD-3-Clause) which is
based on "Geometry Helps to Compare Persistence Diagrams"
@@ -94,6 +103,8 @@ The output is:
Barycenters
-----------
+:Requires: `Python Optimal Transport <installation.html#python-optimal-transport>`_ (POT) :math:`\geq` 0.5.1
+
A Frechet mean (or barycenter) is a generalization of the arithmetic
mean in a non linear space such as the one of persistence diagrams.
Given a set of persistence diagrams :math:`\mu_1 \dots \mu_n`, it is