Loading...
Please wait, while we are loading the content...
Similar Documents
Cone-beam reconstruction by backprojection and filtering.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Bronnikov, A. V. |
| Copyright Year | 2000 |
| Abstract | A new analytical method for tomographic image reconstruction from cone-beam projections acquired on the source orbits lying on a cylinder is presented. By application of a weighted cone-beam backprojection, the reconstruction problem is reduced to an image-restoration problem characterized by a shift-variant point-spread function that is given analytically. Assuming that the source is relatively far from the imaged object, a formula for an approximate shift-invariant inverse filter is derived; the filter is presented in the Fourier domain. Results of numerical experiments with circular and helical orbits are considered. |
| Starting Page | 1993 |
| Ending Page | 2000 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.bronnikov-algorithms.com/downloads/BronnikovJOSA1711.pdf |
| PubMed reference number | 11059593v1 |
| Volume Number | 17 |
| Issue Number | 11 |
| Journal | Journal of the Optical Society of America. A, Optics, image science, and vision |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Filtered Backprojection Ocular orbit Projections and Predictions Telling untruths |
| Content Type | Text |
| Resource Type | Article |
