Radiographic Reconstruction

A Primer on TV Abel Regularization — by admin — last modified 2007-03-09 01:20

DDMA has developed TV Abel reconstruction techniques that are unmatched for speed and quality of the reconstruction. This document discusses our TV Abel regularization research results for the non-specialist.

DDMA TVAbel Code — by admin — last modified 2007-03-09 01:18

These are fast reconstruction algorithms that incorporate state-of-the-art methods for Abel reconstructions. They are unmatched for supressing noise while preserving edges. Current DDMA TVAbel code as of October 19, 2006. Please contact Rick Chartrand or Brendt Wohlberg with questions.

Norm Algorithm for Minimization of Total Variation Functionals — by admin — last modified 2006-12-04 06:24

Wohlberg, Brendt and Paul Rodriguez. An Iteratively Reweighted Norm Algorithm for Minimization of Total Variation Functionals. A simple but very flexible and computationally efficient method for solving the generalized TV functional.

Reconstructing images corrupted by Poisson noise — by admin — last modified 2006-12-04 06:24

A denoising technique we applied to problems posed to us by Allen Mathews. Triet Le, Rick Chartrand and Thomas J. Asaki, "A variational approach to reconstructing images corrupted by Poisson noise ", Submitted., 2005