2 papers
physics.med-ph2021
Directional-TV Algorithm for Image Reconstruction from Limited-Angular-Range Data
Zheng Zhang, Buxin Chen, Dan Xia +2
Investigation of image reconstruction from data collected over a limited angular range in X-ray CT remains a topic of active research because it may yield insight into the developm…
physics.med-ph2021
Non-convex primal-dual algorithm for image reconstruction in spectral CT
Buxin Chen, Zheng Zhang, Dan Xia +2
The work seeks to develop an algorithm for image reconstruction by directly inverting the non-linear data model in spectral CT. Using the non-linear data model, we formulate the im…