1. CNRS, Marine Geosciences Group, IPGP; Paris France
2. GEOMAR; Kiel Germany
3. Marine Geosciences Group, IPGP; Paris France
4. Laboratory of Geology, University of Lyon; Lyon France
5. Département des Sciences de la Terre et de l'Univers, University of Nantes; Nantes France
6. CNRS/GET, University of Toulouse; Toulouse France
7. Géosciences Montpellier, CNRS, University of Montpellier; Montpellier France
8. Department of Earth Science, University of Bergen; Bergen Norway
9. Earth Sciences Department, Now at Memorial University; Saint John's Newfoundland and Labrador Canada
10. Department of Geology and Geophysics, University of Wyoming; Laramie Wyoming USA
11. School of Earth and Ocean Sciences, Cardiff University; Cardiff Wales
12. Systems, Robotics & Vision Group, Universitat des Illes Balears; Palma de Majorca Spain
13. Faculty of Geology and Geo-Environment, University of Athens; Athens Greece
14. Lamont Doherty Earth Observatory, Columbia University; Palisades New York USA
15. Department of Oceanography, Texas A&M University; College Station Texas USA
16. Computer Vision and Robotics Group, Universitat de Girona; Girona Spain