Extraction of information from CT scans at different energies

Michael R. Millner, William D. Mcdavid, Robert G. Waggener, Michael J. Dennis, William H. Payne, Victor J. Sank

Resultado de la investigación: Letterrevisión exhaustiva

112 Citas (Scopus)


The image displayed in computed tomography is a scaled representation of attenuation coefficients within the patient's body. A number of authors have presented methods by which additional information (such as electron density, effective atomic number, and extrapolated attenuation coefficients for therapy applications) can be extracted from CT scans carried out at different energies. In the present paper, the dual‐energy method described by Rutherford has been used to produce complete images of effective atomic number and electron density of a known phantom (the AAPM phantom) in order to investigate the usefulness of applying this method to current commercial scanners.

Idioma originalEnglish (US)
Páginas (desde-hasta)70-71
Número de páginas2
PublicaciónMedical physics
EstadoPublished - ene 1979

ASJC Scopus subject areas

  • Biophysics
  • Radiology Nuclear Medicine and imaging


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