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US 7,114,851 B2Granted
Methods and systems for calibrating medical imaging devices
AssigneeGeneral Electric Company
InventorKenneth Allen Poppleton
Life of this patent
Estimating the term…
Abstract
A method and system for calibrating medical imaging devices is provided. The method includes generating a calibration image within an X-ray imaging system and determining an image distortion of the X-ray imaging system based upon the calibration image for calibrating the X-ray imaging system.
Claims22
A method for calibrating an X-ray imaging system, said method comprising:
- configuring an output of a calibration image source in a pattern to define a calibration image;
- generating a calibration image within an X-ray imaging system using the calibration image source only in the absence of X-rays;
- and
- determining an image distortion of the X-ray imaging system based upon a plurality of samplings of the calibration image for calibrating the X-ray imaging system.
1 more element
A method for determining distortion in an X-ray imaging system, said method comprising:
- generating a light pattern at an output of a calibration image source within an image intensifier of an X-ray imaging system;
- comparing to the light pattern output of the calibration image source a plurality of outputs produced by the image intensifier that are interpolated;
- and
- determining a distortion based upon the comparison.
1 more element
A system for determining distortion within an X-ray imaging device, said system comprising:
- a calibration image source within an image intensifier configured to generate a calibration image pattern at an output of the calibration image source for use in determining distortion within the X-ray imaging device based on a plurality of samplings of a correction image generated from the calibration image pattern only in the absence of X-rays.
Dependencies are inferred from the claim text.