Image mapping method and system
US6466638B1 · kind B1 · utility
26Cited by
4References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 11, 2000 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Feb 11, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S378/901
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and system for reconstructing an x-ray image through mapping. The system rotates an x-ray source and an x-ray detector in an irregular path. A calibration factor matrix for each position of a source and detector is calculated using a calibration phantom and then stored for use during reconstruction. The image is reconstructed by mapping a reprojected image point from a known coordinate using the calibration factors. The mapping takes into consideration the non-idealities in the irregular path, improving the image reconstruction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.