Spectral CT image reconstructing method and spectral CT imaging system
US10489939B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 22, 2016 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Aug 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2211/441
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A spectral CT image reconstructing method includes: collecting incomplete original projection data in each of a plurality of energy windows; performing a projection data cross estimation using corresponding original projection data in at least one pair of energy windows constituted by different energy windows of the plurality of energy windows to obtain estimated projection data, wherein each pair of energy windows comprises a first energy window and a second energy window; combining the original projection data and the corresponding estimated projection data to obtain complete projection data; and reconstructing a spectral CT image using the complete projection data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.