Geodesic PCA versus Log-PCA of Histograms in the Wasserstein Space Cazelles, Elsa ; Seguy, Vivien ; Bigot, Jérémie ; Cuturi, Marco ; Papadakis, Nicolas Abstract Publication: SIAM Journal on Scientific Computing Pub Date: January 2018 DOI: 10.1137/17M1143459 Bibcode: 2018SJSC...40B.429C