Method for an x-ray device and computer tomograph for reducing beam hardening artifacts from a generated image of an object
US7315604B2 · kind B2 · utility
7Cited by
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20Claims
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Key dates
| Filing date | Feb 24, 2006 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Feb 24, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2223/423
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method is disclosed for an x-ray device and a computer tomograph for suppressing beam hardening artifacts in a generated image of an object, for example in a tomogram of a patient. In the method, N measured values are acquired relating to N different energy ranges of the x-radiation. Further, one pseudomonochromatic measured value is calculated in each case from the N measured values such that there is generated from different projection directions on the basis of the calculated pseudomonochromatic measured values, an image in which beam hardening artifacts are substantially suppressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.