Digital fluoroscopy imaging system with dual energy X-ray image decomposition.
- Author:
Feng ZHANG
1
;
Zhencheng CHEN
;
Zhensheng DENG
;
Dazong JIANG
Author Information
1. Institute of Biomedical Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
- Publication Type:Journal Article
- MeSH:
Humans;
Radiography, Dual-Energy Scanned Projection;
methods;
Radiography, Thoracic;
Signal Processing, Computer-Assisted
- From:
Journal of Biomedical Engineering
2004;21(2):280-283
- CountryChina
- Language:Chinese
-
Abstract:
Dual-kilovolt technique was realized in dual energy X-ray imaging system with computer controlled KV adjustment, filter switching and image acquirement. The dual energy images can be obtained in 2-3 seconds to avoid moving artifact. Low energy photons in high energy X-ray beam can be attenuated effectively by a 2 mm Cu filter to separate the spectra of the high and low energy X-rays. A simplified dual energy decomposition method was used to obtain the soft tissue image. An example of chest dual energy radiographs is presented to illustrate the performance of the system.
