Information processing in medical imaging : 28th international conference IPMI 2023 San Carlos de Bariloche Argentina June 18 23 2023 : proceedings This book constitutes the proceedings of the 28th International Conference on Information Processing in Medical Imaging IPMI 2023 which took place in San Carlos de Bariloche Argentina in June 2023. The 63 full papers presented in this volume were carefully reviewed and selected from 169 submissions. They were organized in topical sections as follows: biomarkers; brain connectomics; computer aided diagnosis surgery; domain adaptation; geometric deep learning; groupwise atlasing; harmonization; federated learning; image synthesis; image enhancement; multimodal learning; registration; segmentation; self supervised learning; surface analysis and segmentation