Comparison of reconstruction methods with temporal regularization for respiratory-gated PET

N Grotus, S Stute, P Giraud, A Reader, I Buvat - 2009 - Soc Nuclear Med
346 Objectives Respiratory gating helps reduce breathing motion blur in PET. However, the
image quality of the gated scans is decreased unless the duration of the scans is increased …

4D list-mode reconstruction for respiratory-gated PET acquisitions: A comparison to conventional techniques

N Grotus, A Reader, S Stute, JC Rosenwald, P Giraud… - 2008 - Soc Nuclear Med
235 Objectives: Respiratory gating is useful to reduce the motion blur in FDG PET but leads
to an increase of noise in the gated images, as each gated image includes only a fraction of …

Effect of breathing irregularities on the quantitative accuracy of respiratory gated PET/CT

BK Teo, B Saboury, J Scheuermann, D Torigian, J Karp… - 2011 - Soc Nuclear Med
149 Objectives 4D PET/CT can be used to suppress motion artifacts by correlating the PET
raw data with the breathing phase. The accuracy of each PET phase is dependent on the …

Increasing the signal-to-noise ratio in respiratory gated FDG PET images using 4D image reconstruction

N Grotus, A Reader, P Giraud, JC Rosenwald… - 2007 - Soc Nuclear Med
1728 Objectives: Respiratory gating is useful to reduce the motion blur in FDG PET.
However, the benefit of motion deblurring resulting from gating is largely reduced by the …

TH‐D‐330A‐04: A Novel PET Respiratory Gating Algorithm to Reduce Lung Tumor Blurring Using the 4D NCAT Phantom

J Wang, A McGoron, J Byrne, J Franquiz - Medical Physics, 2006 - Wiley Online Library
Purpose: Develop and validate a PET gating algorithm based on the amplitude of respiration
to correct for abnormal respiratory cycles. Method and Materials: Using the 4D NCAT …

Respiratory motion gated PET with end-expiratory, amplitude based gating

K Frey, J Hamill, J Jones, R Koeppe - 2009 - Soc Nuclear Med
348 Objectives Established approaches to reducing influence of respiratory motion in PET
are predominantly time based, dividing the respiratory cycle into multiple bins based on an …

Respiratory gated PET based on time activity curve analysis

A Kesner, M Dahlbom, J Czernin, DH Silverman - 2007 - Soc Nuclear Med
1741 Objectives: Respiratory motion in PET degrades images and limits detectability and
characterization of small or low-contrast lesions. Although image quality can in principle be …

Dual temporal regularization within a multidimensional reconstruction framework in dynamic PET imaging for oncology applications

T Merlin, D Visvikis, F Lamare - 2015 - Soc Nuclear Med
1801 Objectives Respiratory gating is a useful technique to reduce respiratory motion blur of
PET images in oncology, but the images suffer from limited signal to noise ratio (SNR) …

Rigid vs. non-rigid motion correction for respiratory gated PET

N Detorie, M Dahlbom - 2007 - Soc Nuclear Med
1717 Objectives: The aim of this study was to investigate the feasibility of a rigid motion
correction method for respiratory gated positron emission tomography (PET). Methods: The …

Reduction of respiratory motion artifacts in PET imaging of lung cancer by respiratory correlated dynamic PET: methodology and comparison with respiratory gated …

SA Nehmeh, YE Erdi, KE Rosenzweig… - Journal of Nuclear …, 2003 - Soc Nuclear Med
This study proposes a new method to reduce respiratory motion artifacts in PET images of
lung cancer. The method is referred to as respiratory-correlated dynamic PET (RCDPET) …