This book presents cutting-edge research and developments in the broad field of medical, biological engineering and computing. Third volume of the proceedings of the XVII Mediterranean Conference on Medical and Biological Engineering and Computing (MEDICON 2026), held on September 14-17, 2026, in Siena, Italy, it covers advances in biomedical signal processing and bioimaging, together with challenging topics such as applications of artificial intelligence and machine learning in healthcare, biomedical engineering education and policy. All in all, this book offers extensive and timely information to biomedical engineers, medical physicists, and healthcare professionals.