Lowdose computed tomography image restoration using previous normal‐dose scan

J Ma, J Huang, Q Feng, H Zhang, H Lu, Z Liang… - Medical …, 2011 - Wiley Online Library
… With such an implementation, we can see the performance of the NLM algorithm for low-dose
CT image restoration and also observe the gain obtained by the use of the previous normal…

Deep learning with adaptive hyper-parameters for low-dose CT image reconstruction

Q Ding, Y Nan, H Gao, H Ji - … on Computational Imaging, 2021 - ieeexplore.ieee.org
… the need for better image quality in LDCT imaging, this paper … deeplearning-based image
reconstruction methods, as well … an image reconstruction method in LDCT whose image prior …

Low dose CT image reconstruction with learned sparsifying transform

X Zheng, Z Lu, S Ravishankar, Y Long… - … Signal Processing …, 2016 - ieeexplore.ieee.org
… such a prior image is not available, these methods could not be used. We propose a new
method for low dose CT reconstructions that combines conventional PWLS reconstruction with …

Low dose abdominal CT image reconstruction: an unsupervised learning based approach

S Kuanar, V Athitsos, D Mahapatra… - … on image processing …, 2019 - ieeexplore.ieee.org
… In this paper, we describe an autoencoder-RegNet based framework for the low-dose CT
image reconstruction and compare it to baseline algorithms. The experimental results …

Application of deep learning image reconstruction in low-dose chest CT scan

H Wang, LL Li, J Shang, J Song… - The British Journal of …, 2022 - academic.oup.com
Objective: Deep learning image reconstruction (DLIR) is a new reconstruction method for
maintaining image quality at reduced radiation dose. The purpose of this study was to compare …

SPULTRA: Low-dose CT image reconstruction with joint statistical and learned image models

S Ye, S Ravishankar, Y Long… - … on medical imaging, 2019 - ieeexplore.ieee.org
… ) of the images. This section first reviews some of the statistical models for CT measurements
along … about images for LDCT image reconstruction, and then presents our contributions. …

Applications of nonlocal means algorithm in lowdose X‐ray CT image processing and reconstruction: a review

H Zhang, D Zeng, H Zhang, J Wang, Z Liang… - Medical …, 2017 - Wiley Online Library
… to many other image types and various … image processing and reconstruction, and
explicitly demonstrates its improving effects on the reconstructed CT image quality from low-dose

Low-dose CT image reconstruction using gain intervention-based dictionary learning

Y Pathak, KV Arya, S Tiwari - Modern Physics Letters B, 2018 - World Scientific
low-dose CT reconstruction techniques on well-known benchmark low-dose CT images. …
2 demonstrates the use of dictionary learning for low-dose CT image reconstruction. Section 3 …

Competitive performance of a modularized deep neural network compared to commercial algorithms for low-dose CT image reconstruction

H Shan, A Padole, F Homayounieh, U Kruger… - Nature Machine …, 2019 - nature.com
… Clearly, it is now time for CT vendors to open their data format, perform machine learning
and develop the next generation of CT image reconstruction algorithms in the DL framework. …

Artifact suppressed dictionary learning for low-dose CT image processing

Y Chen, L Shi, Q Feng, J Yang, H Shu… - … on medical imaging, 2014 - ieeexplore.ieee.org
CT [38], and abdomen LDCT image processing [39]. It has been widely accepted that the TV
based reconstruction can … in LDCT image processing, the general DL based processing is …