Modelling the physics in the iterative reconstruction for transmission computed tomography

J Nuyts, B De Man, JA Fessler… - Physics in Medicine …, 2013 - iopscience.iop.org
There is an increasing interest in iterative reconstruction (IR) as a key tool to improve quality
and increase applicability of x-ray CT imaging. IR has the ability to significantly reduce …

Fisher information theory for parameter estimation in single molecule microscopy: tutorial

J Chao, E Sally Ward, RJ Ober - Journal of the Optical Society of …, 2016 - opg.optica.org
Estimation of a parameter of interest from image data represents a task that is commonly
carried out in single molecule microscopy data analysis. The determination of the positional …

[图书][B] Deblurring images: matrices, spectra, and filtering

PC Hansen, JG Nagy, DP O'leary - 2006 - SIAM
This book is concerned with deconvolution methods for image deblurring, that is,
computational techniques for reconstruction of blurred images based on a concise …

Statistical image reconstruction for polyenergetic X-ray computed tomography

IA Elbakri, JA Fessler - IEEE transactions on medical imaging, 2002 - ieeexplore.ieee.org
This paper describes a statistical image reconstruction method for X-ray computed
tomography (CT) that is based on a physical model that accounts for the polyenergetic X-ray …

Localization accuracy in single-molecule microscopy

RJ Ober, S Ram, ES Ward - Biophysical journal, 2004 - cell.com
One of the most basic questions in single-molecule microscopy concerns the accuracy with
which the location of a single molecule can be determined. Using the Fisher information …

Beyond Rayleigh's criterion: a resolution measure with application to single-molecule microscopy

S Ram, ES Ward, RJ Ober - Proceedings of the National …, 2006 - National Acad Sciences
Rayleigh's criterion is extensively used in optical microscopy for determining the resolution
of microscopes. This criterion imposes a resolution limit that has long been held as an …

Conjugate-gradient preconditioning methods for shift-variant PET image reconstruction

JA Fessler, SD Booth - IEEE transactions on image processing, 1999 - ieeexplore.ieee.org
Gradient-based iterative methods often converge slowly for tomographic image
reconstruction and image restoration problems, but can be accelerated by suitable …

Penalized-likelihood sinogram restoration for computed tomography

PJ La Rivière, J Bian, PA Vargas - IEEE transactions on …, 2006 - ieeexplore.ieee.org
We formulate computed tomography (CT) sinogram preprocessing as a statistical restoration
problem in which the goal is to obtain the best estimate of the line integrals needed for …

Photon-limited object detection using non-local feature matching and knowledge distillation

C Li, X Qu, A Gnanasambandam… - Proceedings of the …, 2021 - openaccess.thecvf.com
Robust object detection under photon-limited conditions is crucial for applications such as
night vision, surveillance, and microscopy, where the number of photons per pixel is low due …

Penalized‐likelihood sinogram smoothing for low‐dose CT

PJ La Riviere - Medical physics, 2005 - Wiley Online Library
We have developed a sinogram smoothing approach for low‐dose computed tomography
(CT) that seeks to estimate the line integrals needed for reconstruction from the noisy …