Estimation of chemical composition and density from computed tomography carried out at a number of energies

William D. McDavid, Robert G. Waggener, Michael J. Dennis, Victor J. Sank, William H. Payne

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

A method is presented by which computed tomography scans carried out at a number of energies may be utilized to obtain cross-sectional images of density and atomic number in addition to the conventional array of linear attenuation coefficients. This type of analysis has been carried out for various substances of biological relevance. Computer simulated reconstructions of clinical situations suggest that the method shows promise for providing additional diagnostic information and might dispense to some extent with the necessity of injecting contrast agents into the patient.

Original languageEnglish (US)
Pages (from-to)189-193
Number of pages5
JournalInvestigative Radiology
Volume12
Issue number2
DOIs
StatePublished - 1977

Keywords

  • Absorption spectroscopy
  • Computed tomography
  • Contrast enhancement
  • Nondestructive testing

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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