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US 7,467,892 B2Granted
Calibration devices and methods of use thereof
AssigneeImaging Therapeutics, Inc.
InventorsPhilipp Lang, Siau-Way Liew, Rene Voracek-Vargas
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Abstract
The present invention relates to calibration devices and to methods of using these devices.
Claims10
A method of analyzing an x-ray, the method comprising the steps of:
- generating a radiographic image comprising at least one calibration phantom, the at least one calibration phantom including a first material and a second material, the first material having an x-ray attenuation coefficient that decreases more rapidly with higher x-ray energy than the second material;
- comparing the optical density of the first and second material in the image;
- and
- estimating at least one image acquisition parameter based on the comparison.
1 more element
A method of analyzing an x-ray, the method comprising:
- generating a radiographic image comprising at least one calibration phantom;
- and
- estimating at least one image acquisition parameter of the image based, at least in part, on the calibration phantom, wherein the at least one image acquisition parameter includes imaging geometry.
Dependencies are inferred from the claim text.