Effects of the penalty on the penalized weighted least-squares image reconstruction for low-dose CBCT

L Ouyang, T Solberg, J Wang - Physics in Medicine & Biology, 2011 - iopscience.iop.org
Statistical iterative reconstruction (SIR) algorithms have shown potential to substantially
improve low-dose cone-beam CT (CBCT) image quality. The penalty term plays an …

Simultaneous iterative reconstruction of emission and attenuation images in positron emission tomography from emission data only

M Landmann, SN Reske, G Glatting - Medical Physics, 2002 - Wiley Online Library
For quantitative image reconstruction in positron emission tomography attenuation
correction is mandatory. In case that no data are available for the calculation of the …

Image-correction techniques in SPECT

L Bouwens, R Van de Walle, J Nuyts, M Koole… - … medical imaging and …, 2001 - Elsevier
This overview takes a look at different correction techniques for Single Photon Emission
Computed Tomography (SPECT). We discuss the influence of the detection system followed …

Techniques for generating attenuation map using cardiac SPECT emission data only: a systematic review

GF Tadesse, P Geramifar, EM Tegaw, MR Ay - Annals of nuclear medicine, 2019 - Springer
To reliably interpret and perform quantitative analysis, attenuation correction for cardiac
single-photon emission computed tomography (SPECT) is fundamental. Thus, knowledge of …

Quantitative image reconstruction in PET from emission data only using cluster analysis

M Landmann, G Glatting - Zeitschrift für Medizinische Physik, 2003 - Elsevier
Quantitative image reconstruction in positron emission tomography requires attenuation
correction. In case the attenuation correction is not measured separately, under certain …

[PDF][PDF] Getu Ferenji Tadesse, Parham Geramifar, Eyachew Misganew Tegaw &

MR Ay - mohammadreza-ay.net
To reliably interpret and perform quantitative analysis, attenuation correction for cardiac
single-photon emission computed tomography (SPECT) is fundamental. Thus, knowledge of …

Attenuation correction of myocardial perfusion scintigraphy images without transmission scanning

SC Cade - 2015 - discovery.ucl.ac.uk
Attenuation correction is essential for reliable interpretation of emission tomography;
however the use of transmission measurements to generate attenuation maps is limited by …

[PDF][PDF] Optimizing Kilovoltage Cone-Beam Computed Tomography for Image-Guided Radiation Therapy

L Ouyang - 2014 - utswmed-ir.tdl.org
Kilovoltage cone-beam computed tomography (kV CBCT) has important applications in
image guided radiation therapy (IGRT). In its current state, CBCT is suboptimal for these …