Abstract
The projected index computed tomography (PICT) imaging modality provides a computationally reconstructed image of optical index of refraction that is free from spatial distortions. Current implementation using standard filtered backprojection techniques contain linear artifacts resulting from beam path refraction at boundaries with a significant index change. We present the implementation of a least-squares solution whereby every projection datum is assigned a confidence weight, affecting the magnitude of its inclusion into the reconstructed image. The algorithm is shown to significantly reduce artifacts, hence increasing system sensitivity while maintaining spatial accuracy.
| Original language | English (US) |
|---|---|
| Title of host publication | 2004 2nd IEEE International Symposium on Biomedical Imaging |
| Subtitle of host publication | Macro to Nano |
| Pages | 1099-1102 |
| Number of pages | 4 |
| Volume | 2 |
| State | Published - 2004 |
| Event | 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano - Arlington, VA, United States Duration: Apr 15 2004 → Apr 18 2004 |
Other
| Other | 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano |
|---|---|
| Country/Territory | United States |
| City | Arlington, VA |
| Period | 4/15/04 → 4/18/04 |
ASJC Scopus subject areas
- Engineering(all)