[Digital fluoroscopy imaging system with dual energy X-ray image decomposition].
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.
Zhang
Feng
F
Institute of Biomedical Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
Chen
Zhencheng
Z
Deng
Zhensheng
Z
Jiang
Dazong
D
D006801:Humans; D015900:Radiography, Dual-Energy Scanned Projection / Q000379:methods*; D013902:Radiography, Thoracic; D012815:Signal Processing, Computer-Assisted