Optimal weighting strategies for maximizing contrast‐to‐noise ratio in photon counting CT images
We derived the expression of projection-domain maximum achievable CNR using three energy-weighting strategies. Our results suggest that using pre-log weighting strategies enables fast grayscale CT image generation with high CNR from spectral PCD measurements for inhomogeneous phantoms and off-center region of interests (ROIs).
Authors
- Grant M. Stevens (ORCID: https://orcid.org/0000-0002-8885-4443)
- Sen Wang (ORCID: https://orcid.org/0000-0001-6948-3264)
- Jiahua Fan (ORCID: https://orcid.org/0000-0002-1629-3034)
- Adam Wang (ORCID: https://orcid.org/0000-0001-9234-1264)
- Yirong Yang
Institutions
- Stanford University (US)
Publication Details
- Journal
- Medical Physics
- Published
- 2024-10-24
- DOI
- https://doi.org/10.1002/mp.17489
- Citations
- 3
- Primary Topic
- Advanced X-ray and CT Imaging
- Type
- article
- Field-Weighted Citation Impact
- 0.55