title: PET-guided delineation of radiation therapy treatment volumes: a survey of image segmentation techniques.
authors.affiliation: Geneva University Hospital, Geneva 4, Switzerland. habib.zaidi@hcuge.ch
authors.forename: Habib
authors.initials: H
authors.lastname: Zaidi
authors.forename: Issam
authors.initials: I
authors.lastname: El Naqa