[HTML][HTML] Direct estimation of kinetic parametric images for dynamic PET

G Wang, J Qi - Theranostics, 2013 - ncbi.nlm.nih.gov
Dynamic positron emission tomography (PET) can monitor spatiotemporal distribution of
radiotracer in vivo. The spatiotemporal information can be used to estimate parametric …

4D image reconstruction for emission tomography

AJ Reader, J Verhaeghe - Physics in Medicine & Biology, 2014 - iopscience.iop.org
An overview of the theory of 4D image reconstruction for emission tomography is given
along with a review of the current state of the art, covering both positron emission …

PET image reconstruction using kernel method

G Wang, J Qi - IEEE transactions on medical imaging, 2014 - ieeexplore.ieee.org
Image reconstruction from low-count positron emission tomography (PET) projection data is
challenging because the inverse problem is ill-posed. Prior information can be used to …

Four‐dimensional (4D) image reconstruction strategies in dynamic PET: beyond conventional independent frame reconstruction

A Rahmim, J Tang, H Zaidi - Medical physics, 2009 - Wiley Online Library
In this article, the authors review novel techniques in the emerging field of spatiotemporal
four‐dimensional (4D) positron emission tomography (PET) image reconstruction. The …

High temporal-resolution dynamic PET image reconstruction using a new spatiotemporal kernel method

G Wang - IEEE transactions on medical imaging, 2018 - ieeexplore.ieee.org
Current clinical dynamic PET has an effective temporal resolution of 5-10 seconds, which
can be adequate for traditional compartmental modeling but is inadequate for exploiting the …

Advances in PET image reconstruction

AJ Reader, H Zaidi - PET clinics, 2007 - Elsevier
Until recently, the most widely used methods for image reconstruction were direct analytic
techniques. Iterative techniques, although computationally much more intensive, produce …

Generalized algorithms for direct reconstruction of parametric images from dynamic PET data

G Wang, J Qi - IEEE transactions on medical imaging, 2009 - ieeexplore.ieee.org
Indirect and direct methods have been developed for reconstructing parametric images from
dynamic positron emission tomography (PET) data. Indirect methods are simple and easy to …

Acceleration of the direct reconstruction of linear parametric images using nested algorithms

G Wang, J Qi - Physics in Medicine & Biology, 2010 - iopscience.iop.org
Parametric imaging using dynamic positron emission tomography (PET) provides important
information for biological research and clinical diagnosis. Indirect and direct methods have …

Study of direct and indirect parametric estimation methods of linear models in dynamic positron emission tomography

C Tsoumpas, FE Turkheimer, K Thielemans - Medical physics, 2008 - Wiley Online Library
In dynamic positron emission tomography (PET) studies, the time changing activity of the
radiotracer is measured through multiple consecutive frames. Subsequent pixel‐by‐pixel …

A survey of approaches for direct parametric image reconstruction in emission tomography

C Tsoumpas, FE Turkheimer, K Thielemans - Medical physics, 2008 - Wiley Online Library
The quantitative data obtained by emission tomography are decoded using a number of
techniques and methods in sequence to provide physiological information. Conventionally …