Three-dimensional structure determination from common lines in cryo-EM by eigenvectors and semidefinite programming
The cryo-electron microscopy reconstruction problem is to find the three-dimensional (3D)
structure of a macromolecule given noisy samples of its two-dimensional projection images …
structure of a macromolecule given noisy samples of its two-dimensional projection images …
Fast and accurate polar Fourier transform
In a wide range of applied problems of 2D and 3D imaging a continuous formulation of the
problem places great emphasis on obtaining and manipulating the Fourier transform in …
problem places great emphasis on obtaining and manipulating the Fourier transform in …
A chirplet transform-based mode retrieval method for multicomponent signals with crossover instantaneous frequencies
In nature and engineering world, the acquired signals are usually affected by multiple
complicated factors and appear as multicomponent nonstationary modes. In such and many …
complicated factors and appear as multicomponent nonstationary modes. In such and many …
Viewing direction estimation in cryo-EM using synchronization
A central task in recovering the structure of a macromolecule from cryo-electron microscopy
(cryo-EM) images is to determine a three-dimensional model of the macromolecule given …
(cryo-EM) images is to determine a three-dimensional model of the macromolecule given …
Application of nature-inspired algorithms to computed tomography with incomplete data
M Pleszczyński, A Zielonka, M Woźniak - Symmetry, 2022 - mdpi.com
This paper discusses and compares several computed tomography (CT) algorithms capable
of dealing with incomplete data. This type of problem has been proposed for a symmetrical …
of dealing with incomplete data. This type of problem has been proposed for a symmetrical …
Fourier-based forward and back-projectors in iterative fan-beam tomographic image reconstruction
YZ O'Connor, JA Fessler - IEEE transactions on medical …, 2006 - ieeexplore.ieee.org
Fourier-based forward and back-projection methods can reduce computation in iterative
tomographic image reconstruction. Recently, an optimized nonuniform fast Fourier transform …
tomographic image reconstruction. Recently, an optimized nonuniform fast Fourier transform …
Fast algorithms and efficient GPU implementations for the Radon transform and the back-projection operator represented as convolution operators
The Radon transform and its adjoint, the back-projection operator, can both be expressed as
convolutions in log-polar coordinates. Hence, fast algorithms for the application of these …
convolutions in log-polar coordinates. Hence, fast algorithms for the application of these …
Spectral 6dof registration of noisy 3d range data with partial overlap
H Bülow, A Birk - IEEE transactions on pattern analysis and …, 2012 - ieeexplore.ieee.org
We present Spectral Registration with Multilayer Resampling (SRMR) as a 6 Degrees Of
Freedom (DOF) registration method for noisy 3D data with partial overlap. The algorithm is …
Freedom (DOF) registration method for noisy 3D data with partial overlap. The algorithm is …
Application of heuristic algorithms in the tomography problem for pre-mining anomaly detection in coal seams
R Brociek, M Pleszczyński, A Zielonka, A Wajda… - Sensors, 2022 - mdpi.com
The paper presents research on a specific approach to the issue of computed tomography
with an incomplete data set. The case of incomplete information is quite common, for …
with an incomplete data set. The case of incomplete information is quite common, for …
3D pulse EPR imaging from sparse-view projections via constrained, total variation minimization
Tumors and tumor portions with low oxygen concentrations (pO 2) have been shown to be
resistant to radiation therapy. As such, radiation therapy efficacy may be enhanced if …
resistant to radiation therapy. As such, radiation therapy efficacy may be enhanced if …