Convergence Analysis of Pixel-Driven Radon and Fanbeam Transforms

Volume: 59, Issue: 3, Pages: 1399 - 1432
Published: Jan 1, 2021
Abstract
This paper presents a novel mathematical framework for understanding pixel-driven approaches for the parallel beam Radon transform as well as for the fanbeam transform, showing that with the correct discretization strategy, convergence - including rates - in the L^2operator norm can be obtained. These rates inform about suitable strategies for discretization of the occurring domains/variables, and are first established for the Radon...
Paper Details
Title
Convergence Analysis of Pixel-Driven Radon and Fanbeam Transforms
Published Date
Jan 1, 2021
Volume
59
Issue
3
Pages
1399 - 1432
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