barysinkhorn14          Wasserstein Barycenter via Entropic
                        Regularization by Cuturi & Doucet (2014)
digit3                  MNIST Images of Digit 3
image14C                Barycenter of Images by Cuturi & Doucet (2014)
sinkhorn                Sinkhorn Distance by Cuturi (2013)
wasserstein             Wasserstein Distance between Empirical Measures
