Varian Medical Systems Inc
System and method for detecting and correcting defective image output from radiation-damaged video cameras

Abstract:

An apparatus for use with a medical system, the medical system comprising a medical device configured to treat and/or image a patient, includes: an input configured to receive an image from a camera, the camera configured to view at least a part of the patient and/or at least a part of the medical system; a processing unit configured to replace a damaged-pixel value in the image corresponding with a damaged pixel in the camera that is damaged due to radiation resulted from an operation of the medical device; and an output for outputting an improved image having less noise compared to the image received from the camera.