Gabriel Peyré Mickaël Péchaud Renaud Keriven Laurent D. Cohen Geodesic Methods in Computer Vision and Graphics. 197-397 2010 5 Found. Trends Comput. Graph. Vis. 3-4 https://doi.org/10.1561/0600000029 db/journals/ftcgv/ftcgv5.html#PeyrePKC10