Robust beam hardening artifacts reduction for computed tomography using spectrum modeling
The aim of this paper is to develop a fast and accurate beam hardening correction method
by modeling physical interactions between X-ray photons and materials for computed …
by modeling physical interactions between X-ray photons and materials for computed …
Reduction of beam hardening artifacts on real C-arm CT data using polychromatic statistical image reconstruction
RNK Bismark, R Frysch, S Abdurahman… - … für Medizinische Physik, 2020 - Elsevier
Purpose This work aims at the compensation of beam hardening artifacts by the means of an
extended three-dimensional polychromatic statistical reconstruction to be applied for flat …
extended three-dimensional polychromatic statistical reconstruction to be applied for flat …
Multi-material blind beam hardening correction in near real-time based on non-linearity adjustment of projections
A Alsaffar, K Sun, S Simon - Journal of Real-Time Image Processing, 2023 - Springer
Beam hardening (BH) is one of the major artifacts that severely reduces the quality of
computed tomography (CT) imaging. This BH artifact arises due to the polychromatic nature …
computed tomography (CT) imaging. This BH artifact arises due to the polychromatic nature …
Blind separation model of multi-voltage projections for the hardening artifact correction in computed tomography
J Wei, P Chen, Y Han, Y Zhao - Biomedical Signal Processing and Control, 2021 - Elsevier
The hardening artifacts caused by polychromatic X-ray beams in computed tomography (CT)
reconstructed images increase the difficulty of quantitative analysis. A method based on the …
reconstructed images increase the difficulty of quantitative analysis. A method based on the …
Evaluation of spectrum mismatching using spectrum binning for statistical polychromatic reconstruction in CT
In CT, the nonlinear attenuation characteristics of polychromatic X-rays cause beam
hardening artifacts in the reconstructed images. Statistical algorithms can effectively correct …
hardening artifacts in the reconstructed images. Statistical algorithms can effectively correct …
Multi-materials beam hardening artifacts correction for computed tomography (CT) based on X-ray spectrum estimation
Due to the energy-dependent nature of the attenuation coefficient and the polychromaticity
of the X-ray source, beam hardening effect occurs when X-ray photons penetrate through an …
of the X-ray source, beam hardening effect occurs when X-ray photons penetrate through an …
Multi-Material Blind Beam Hardening Correction Based on Non-Linearity Adjustment of Projections
A Alsaffar, K Sun, S Simon - arXiv preprint arXiv:2203.04587, 2022 - arxiv.org
Beam hardening (BH) is one of the major artifacts that severely reduces the quality of
Computed Tomography (CT) imaging. In a polychromatic X-ray beam, since low-energy …
Computed Tomography (CT) imaging. In a polychromatic X-ray beam, since low-energy …
On the application of the polychromatic statistical reconstruction technique to C-arm CT data
RNK Bismark - 2021 - repo.bibliothek.uni-halle.de
Computer tomography (CT) is an essential means of diagnosis and aftercare in the clinical
routine of hospitals. Although it has been successfully used and improved for decades, the …
routine of hospitals. Although it has been successfully used and improved for decades, the …
[PDF][PDF] Spectrum Binning Approach for Multi-Material Beam Hardening Correction (MMBHC) in CT
In CT, the nonlinear attenuation characteristics of polychromatic X-rays cause beam
hardening artifacts in the reconstructed images. When datasets contain multiple materials in …
hardening artifacts in the reconstructed images. When datasets contain multiple materials in …