Effects of acquisition method and reconstruction algorithm for CT number measurement on standard-dose CT and reduced-dose CT: a QIBA phantom study

Yoshiharu Ohno,Yasuko Fujisawa,Kenji Fujii,Naoki Sugihara,Yuji Kishida,Shinichiro Seki,Takeshi Yoshikawa

Effects of acquisition method and reconstruction algorithm for CT number measurement on standard-dose CT and reduced-dose CT: a QIBA phantom study

2019

Yoshiharu Ohno
Yasuko Fujisawa
Kenji Fujii
Naoki Sugihara
Yuji Kishida
Shinichiro Seki
Takeshi Yoshikawa

Purpose To compare the effect of different acquisition and reconstruction methods on the radiation dose and accuracy of CT number measurements, using a 320-detector row CT and a Quantitative Imaging Biomarker Alliance (QIBA) recommended phantom.

Keywords:

Radiology
Imaging phantom
Reconstruction algorithm
Imaging biomarker
Medicine
Hounsfield scale
radiation dose
Nuclear medicine
reduced dose
Iterative reconstruction
Radon transform
ct number

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