Theoretical study of a simplified implementation model of a dual-energy technique for computed tomography
The article describes a theoretical study of the simplified implementation of dual energy
technique (DET) for computed tomography (CT). The implementation is based on the X-ray
pre-filter. Two sets of projections, acquired for two maximal X-ray energies, are transformed
to the projections of DET parameters. The density and effective atomic number of the test
object fragments are estimated after a separate recovery of the internal structure of the test
object for each of the DET parameters. The choice of pre-filter thickness is discussed. An …
technique (DET) for computed tomography (CT). The implementation is based on the X-ray
pre-filter. Two sets of projections, acquired for two maximal X-ray energies, are transformed
to the projections of DET parameters. The density and effective atomic number of the test
object fragments are estimated after a separate recovery of the internal structure of the test
object for each of the DET parameters. The choice of pre-filter thickness is discussed. An …
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