On Wednesday June 3rd, the IHU day took place in Strasbourg. The topic of this workshop was “Modeling, Simulation, Registration and Augmented Reality in Surgery”. Stéphane Cotin and the MIMESIS team were in charge of the organization of this day. We had the pleasure to welcome Stefanie Speidel from KIT, as invited speaker ! At this occasion, Nazim Haouchine and Hadrien Courtecuisse also presented their on-going work around augmented reality and non-rigid registration.