Post by Kris Thielemans

The winners of the second PET Rapid Image Reconstruction Challenge (PETRIC2) organised by CCP SyneRBI are: First place: Team Speedy Hok Shing Wong, Margaret Duff, Georg Schramm, Matthias J. Ehrhardt Second place: Team PATRIC Patrick Fahy, Mohammad Golbabaee, Matthias J. Ehrhardt Third place: Team Beavers Maxime Toussaint, Simon Stute, Nasrin Taheri Huge congratulations to the winning teams! Many thanks to all participants as well as contributors of phantom data, the CoSeC UKRI team for support and computing resources, the many contributors to the open source software used in this Challenge (SIRF, STIR, CIL, parallelproj, ...), and of course UKRI for funding CCP SyneRBI. More details, including links to their contributions, leaderboard etc, are on the PETRIC2 Wiki award page https://lnkd.in/e8MjfN3n. Recordings of the presentations by the teams will be available later. I will take the opportunity to also make you aware of the recent publication of our paper describing the first PETRIC: C. da Costa-Luis et al., PET rapid image reconstruction challenge (PETRIC), Front. Nucl. Med., 27 March 2026, DOI: 10.3389/fnume.2026.1770002, https://lnkd.in/efFn2iiQ On behalf of the PETRIC and PETRIC2 organisers Matthias J. Ehrhardt (U Bath), Christoph Kolbitsch (PTB), Charalampos Tsoumpas (RU Groningen), Kris Thielemans (UCL) and Casper da Costa-Luis, Edoardo Pasca (CoSeC, UKRI STFC)