Patient positioning system employing surface photogrammetry and portal imaging

摘要

A system includes acquistion of first data representing a three-dimensional surface of at least a portion of a patient'body while the patient is in a first position substantially maintained in preparation for radiation treatment, acquistion of an image of a first internal portion of the patient's body while the patient is substantially in the first position, and determination of whether the patient is properly positioned for radiation treatment based on the first data and the image.