Registration of medical images
US9536307B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2014 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Oct 14, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30004
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a method and an image processing device (50) for the registration of two images (I1, I2) that may for example be provided by a CT scanner (10) and/or an MRI scanner (20). According to one embodiment of the invention, the images are first globally registered (GR) with a given registration algorithm using a first parameter vector (p). A user may then select a region of interest ROI, and a plurality of local registrations (LR1, . . . LRs, . . . LRn) are calculated for this ROI using the same registration algorithm but different parameter vectors (p, p, . . . p). The results of the local registrations (LR1, . . . LRs, . . . LRn) are displayed and the user can select the best local registration(s). In a final step, the selected local registration(s) (LRs) and the global registration (GR) may be merged. Additionally or alternatively, a parameter vector for a local registration in the ROI may be determined by an automatic analysis of the ROI.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.