Limited-angle imaging using multiple energy scanning
Patent
·
OSTI ID:5416114
The fidelity of limited-angle x-ray computerized tomography imaging is improved by taking multiple scans using x-ray beams at different energies. The projection data of the composite object is decomposed into the projections of the individual component substances. Reconstruction of a single substance is done more accurately than reconstructing the composite object because more a priori information about the object, such as upper and lower bounds of the densities of the substances, is available. The reconstructed images of the components are superimposed to form an image of the composite object. The method is applicable to other imaging modalities.
- Assignee:
- General Electric Co.
- Patent Number(s):
- US 4506327
- OSTI ID:
- 5416114
- Resource Relation:
- Patent File Date: Filed date 23 Nov 1981; Other Information: PAT-APPL-323856
- Country of Publication:
- United States
- Language:
- English
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