no code implementations • 11 Feb 2024 • Evan Bell, Michael T. McCann, Marc Klasky
In this paper, we introduce silhouette tomography, a novel formulation of X-ray computed tomography that relies only on the geometry of the imaging system.
no code implementations • 4 Jan 2023 • Ajeeta Khatiwada, Marc Klasky, Marcie Lombardi, Jason Matheny, Arvind Mohan
$\mathrm{\gamma}$-ray spectroscopy is a quantitative, non-destructive technique that may be utilized for the identification and quantitative isotopic estimation of radionuclides.
no code implementations • 23 Jan 2022 • Anish Lahiri, Marc Klasky, Jeffrey A. Fessler, Saiprasad Ravishankar
This work focuses on image reconstruction in such settings, i. e., when both the number of available CT projections and the training data is extremely limited.
1 code implementation • 28 Oct 2021 • Zhishen Huang, Marc Klasky, Trevor Wilcox, Saiprasad Ravishankar
Object density reconstruction from projections containing scattered radiation and noise is of critical importance in many applications.