Multi-material decomposition using statistical image reconstruction for spectral CT

Y Long, JA Fessler - IEEE transactions on medical imaging, 2014 - ieeexplore.ieee.org
Spectral computed tomography (CT) provides information on material characterization and
quantification because of its ability to separate different basis materials. Dual-energy (DE) …

Impact of polychromatic x-ray sources on helical, cone-beam computed tomography and dual-energy methods

EY Sidky, Y Zou, X Pan - Physics in Medicine & Biology, 2004 - iopscience.iop.org
Recently, there has been much work devoted to develo** accurate and efficient
algorithms for image reconstruction in helical, cone-beam computed tomography (CT). Little …

Low-dose dual-energy cone-beam CT using a total-variation minimization algorithm

J Min, T Lee, KW Kim, G Cho… - Medical Imaging 2011 …, 2011 - spiedigitallibrary.org
Dual-energy cone-beam CT is an important imaging modality in diagnostic applications, and
may also find its use in other applications such as therapeutic image guidance. Despite of its …

Dual-energy technique at low tube voltages for small animal imaging

S Cho, EY Sidky, J Sian, X Pan - Tsinghua science and …, 2010 - ieeexplore.ieee.org
We investigate the feasibility of dual-energy method for image contrast enhancement in
small animal studies using a low kV X-ray radiographic system. A robust method for X-ray …

Detective quantum efficiency [DQE (0)] of CZT semiconductor detectors for digital radiography

GC Giakos, S Suryanarayanan… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
In this paper, the detective quantum efficiency (DQE) of cadmium zinc telluride (CZT)
detector samples for digital radiography has been measured. Specifically, this study is …

Statistical Image Reconstruction and Motion Estimation for Image-Guided Radiotherapy

Y Long - 2011 - search.proquest.com
Image reconstruction and motion estimation are very important for image-guided
radiotherapy (IGRT). Three-dimensional reconstruction of patient anatomy using X-ray …

Dual-energy cone-beam micro-CT for animal imaging: preliminary study

S Cho, E Sidky, J Bian, X Pan - Medical Imaging 2007: Physics …, 2007 - spiedigitallibrary.org
We have recently developed a prototype cone-beam micro-CT system for studying new
image reconstruction algorithms experimentally as well as for small animal imaging. Dual …

Regularized Statistical Material Decomposition in Medical Imaging

WS Huh - 2011 - search.proquest.com
In viewing underlying pathology with medical imaging, often specific material components
contain most of the diagnostic information. Therefore, material component separation is …

Detection of Polarimetric Signatures Using High-efficiency Polarimetric Imaging Techniques

S Sumrain - 2005 - rave.ohiolink.edu
This research involved the development of a polarimetric imaging algorithm used for
selective detection of back scattered photons transmitted through a medium. The novelty of …

Effect of noise in dual-energy helical cone-beam computed tomography

EY Sidky, Y Zou, X Pan - Medical Imaging 2004: Physics of …, 2004 - spiedigitallibrary.org
The effect of polychromatic x-rays on image reconstruction in helical cone-beam computed
tomography is investigated. A pre-reconstruction dual-energy technique is developed to …