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Size characterization of x-ray tube source with sphere encoded imaging method
Jian Yu1, Dikai Li1, Yanmeng Dai1
1Shenzhen Key Laboratory of Ultraintense Laser and Advanced Material Technology, Center for Advanced Material Diagnostic Technology, and College of Engineering Physics, Shenzhen Technology University, Shenzhen 518118, China.
The Review of Scientific Instruments
|January 22, 2024
Summary
A new spherical encoded imaging method accurately measures x-ray tube light source size, improving x-ray imaging quality. This technique overcomes limitations of current methods, enhancing system alignment and image resolution.
Area of Science:
- Medical Imaging
- Physics
Background:
- X-ray imaging quality is critically dependent on x-ray tube light source size.
- Existing characterization methods lack the required processing accuracy and mechanical precision.
Purpose of the Study:
- To introduce a novel method for accurate x-ray tube light source size characterization.
- To enhance image quality in x-ray imaging applications.
Main Methods:
- Utilized spherical encoded imaging technology with high-Z material spheres as coding elements.
- Applied the Richardson-Lucy algorithm for iterative image deconvolution.
- Mitigated image blurring caused by system tilting.
Main Results:
- Achieved accurate characterization of x-ray tube light source size.
- Reduced mean square error to 0.008.
- Demonstrated improved system alignment and assembly manageability.
Conclusions:
- Spherical encoded imaging technology offers a precise solution for x-ray tube light source characterization.
- This advancement promises significant improvements in x-ray imaging quality.

