Maximum-likelihood dual-energy tomographic image reconstruction

  title={Maximum-likelihood dual-energy tomographic image reconstruction},
  author={Jeffrey A. Fessler and Idris A. Elbakri and Predrag Sukovic and Neal H. Clinthorne},
  booktitle={Medical Imaging: Image Processing},
Dual-energy (DE) X-ray computed tomography (CT) has shown promise for material characterization and for providing quantitatively accurate CT values in a variety of applications. However, DE-CT has not been used routinely in medicine to date, primarily due to dose considerations. Most methods for DE-CT have used the filtered backprojection method for image reconstruction, leading to suboptimal noise/dose properties. This paper describes a statistical (maximum-likelihood) method for dual-energy X… CONTINUE READING
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