Three-dimensional photon counting integral imaging …
In this paper we propose an iterative approach to implement a maximum likelihood expectation maximization estimator with several types of regularization for 3D reconstruction from photon …
Expectation Maximization - University of California, Los Angeles
Generalized Expectation Maximization [1] This technical report describes the statistical method of expectation maximization (EM) for parameter estimation. Several of 1D, 2D, 3D and n-D …
Multi GPU parallelization of maximum likelihood expectation ...
Sep 17, 2021 · In this work, we have parallelized the forward and inverse operators used in the MLEM algorithm on multiple graphics processing units (multi-GPU) platforms. The multi-GPU …
- Author: Jaya Prakash, Umang Agarwal, Phaneendra K. Yalavarthy
- Publish Year: 2021
Iterative three-dimensional expectation maximization restoration …
We have developed a faster method to account for the spatial resolution loss in three dimensions, based on a postreconstruction restoration method. The method uses two steps.
A generalization of the maximum likelihood expectation ... - PubMed
Dec 11, 2023 · We validate the Masked-MLEM algorithm and compare it to the standard MLEM algorithm using experimental data obtained from both collimated and uncollimated imaging …
We have developed a faster method to account for the spatial resolution loss in three dimensions, based on a postreconstruction restoration method. The method uses two steps.
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An adaptive Expectation-Maximization algorithm with GPU
Maximum-likelihood (ML) estimation has very desirable properties for reconstructing 3D volumes from noisy cryo-EM images of single macromolecular particles. Current implementations of ML …
Maximum Likelihood Expectation Maximization (MLEM) The …
Ravi et al. [34] used FPGA accelerators to increase the maximum-likelihood expectation-maximization algorithm's speed for tomographic image reconstruction. The prototype of the first...
An Expeditious Parallel Maximum Likelihood Expectation …
Jun 27, 2021 · In this article, we present a parallel implementation of an efficient parallel Maximum Likelihood Expectation Maximization (MLEM) algorithm for CBCT that provides a …
A generalization of the maximum likelihood expectation …
Dec 11, 2023 · To overcome these difficulties and achieve robust image reconstruction in the presence of system uncertainties and projection noise, we propose a generalized iterative …
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