CT image reconstruction
US6845143B2 · kind B2 · utility
3Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2001 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | May 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S378/901
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for artifact reduction in CT images comprising reconstructing a first data image using an inexact reconstruction algorithm, segmenting the first data image to provide a second image with high attenuation objects separate from low attenuation objects, reprojecting the second image to form a second set of data, reconstructing a third image from the second data set using an inexact reconstruction algorithm; and subtracting at least those portions of the third image outside the high attenuation object from the first image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.