Low-dose CT reconstruction via edge-preserving total variation regularization

Z Tian, X Jia, K Yuan, T Pan… - Physics in Medicine & …, 2011 - iopscience.iop.org
High radiation dose in computed tomography (CT) scans increases the lifetime risk of cancer
and has become a major clinical concern. Recently, iterative reconstruction algorithms with …

High-performance iterative electron tomography reconstruction with long-object compensation using graphics processing units (GPUs)

W Xu, F Xu, M Jones, B Keszthelyi, J Sedat… - Journal of structural …, 2010 - Elsevier
Iterative reconstruction algorithms pose tremendous computational challenges for 3D
Electron Tomography (ET). Similar to X-ray Computed Tomography (CT), graphics …

[PDF][PDF] Split-Bregman-based sparse-view CT reconstruction

B Vandeghinste, B Goossens… - … meeting on Fully …, 2011 - biblio.ugent.be
Total variation minimization has been extensively researched for image denoising and
sparse view reconstruction. These methods show superior denoising performance for simple …

Efficient low‐dose CT artifact mitigation using an artifact‐matched prior scan

W Xu, K Mueller - Medical physics, 2012 - Wiley Online Library
Purpose: Low‐dose CT has attracted increasing attention due to growing concerns about
radiation exposure in medical scans. However, the frugal use of x‐ray radiation inevitably …

[PDF][PDF] A performance-driven study of regularization methods for gpu-accelerated iterative ct

W Xu, K Mueller - Workshop on High Performance Image Reconstruction …, 2009 - Citeseer
Iterative reconstruction algorithms with regularization can produce high-quality
reconstructions from few views and even in the presence of significant noise. In the research …

Experimental studies on few-view reconstruction for high-resolution micro-CT

K Sen Sharma, X **, C Holzner… - Journal of X-ray …, 2013 - content.iospress.com
High-resolution micro-CT offers 3D non-destructive imaging but scan times are prohibitively
large in many cases. Advancements in image reconstruction offer great reduction in number …

Security surveillance applications utilizing parallel video-processing techniques in the spatial domain

L Deligiannidis, HR Arabnia - … trends in image processing, computer vision …, 2015 - Elsevier
We present several solutions to security surveillance and their applications while utilizing
parallel processing of video streams for improved performance. The algorithms presented in …

DQS advisor: a visual interface and knowledge-based system to balance dose, quality, and reconstruction speed in iterative CT reconstruction with application to NLM …

Z Zheng, E Papenhausen… - Physics in Medicine & …, 2013 - iopscience.iop.org
Motivated by growing concerns with regards to the x-ray dose delivered to the patient, low-
dose computed tomography (CT) has gained substantial interest in recent years. However …

Parallel video processing techniques for surveillance applications

L Deligiannidis, HR Arabnia - 2014 International Conference …, 2014 - ieeexplore.ieee.org
In this paper we present several solutions to Security Surveillance and their applications
while utilizing parallel processing for improved performance. The algorithms presented in …

Creating optimal code for GPU‐accelerated CT reconstruction using ant colony optimization

E Papenhausen, Z Zheng, K Mueller - Medical physics, 2013 - Wiley Online Library
Purpose: CT reconstruction algorithms implemented on the GPU are highly sensitive to their
implementation details and the hardware they run on. Fine‐tuning an implementation for …