Learning Regularization Functionals for Inverse Problems: A Comparative Study. - Johannes Hertrich; Hok Shing Wong; Alexander Denker; Stanislas Ducotterd; Zhenghan Fang; Markus Haltmeier; Zeljko Kereta; Erich Kobler; Oscar Leong; Mohammad Sadegh Salehi; Carola-Bibiane Schönlieb; Johannes Schwab; et al. (CoRR, 2025)