Call for Participation: EG 3DOR Virtual Open Workshop, September 4-5, 2020 13th Eurographics Workshop on 3D Object Retrieval 2020 (3DOR'20) For the first time 3DOR is taking place as a Virtual Open Workshop, free for all to participate, on Friday 4th and Saturday 5th of September 2020. https://workshop.cgv.tugraz.at/3dor2020/ To attend, one has to first register by sending a registration request to <mailto:3dor2020-eventchairs@cgv.tugraz.at> 3dor2020-eventchairs(a)cgv.tugraz.at including their full name and affiliation by 31.8.2020. They will then receive attendance instructions a few days before the workshop. Enjoy 3DOR2020! Workshop Chairs Tobias Schreck (Graz University of Technology, Austria) Theoharis Theoharis (NTNU Trondheim, Norway, and NKUA, Greece) Program Co-Chairs Ioannis Pratikakis (Democritus University of Thrace, Greece) Michela Spagnuolo (CNR Imati, Italy) Remco C. Veltkamp (Utrecht University, Netherlands)