Classification and evaluation strategies of auto-segmentation approaches for PET: Report of AAPM task group No. 211

The purpose of this educational report is to provide an overview of the present state-of-the-art PET auto-segmentation (PET-AS) algorithms and their respective validation, with an emphasis on providing the user with help in understanding the challenges and pitfalls associated with selecting and implementing a PET-AS algorithm for a particular application.A brief description of the different types of PET-AS algorithms is provided using a...