CT and PET Image Registration: Application to Thorax Area
Accurate attenuation correction of emission data is mandatory for quantitative analysis of
PET images. One of the main concerns in CT-based attenuation correction (CTAC) of PET …
PET images. One of the main concerns in CT-based attenuation correction (CTAC) of PET …
B-spline based free form deformation thoracic non-rigid registration of CT and PET images
Accurate attenuation correction of emission data is mandatory for quantitative analysis of
PET images. One of the main concerns in CT-based attenuation correction (CTAC) of PET …
PET images. One of the main concerns in CT-based attenuation correction (CTAC) of PET …
Regularized B-spline deformable registration for respiratory motion correction in PET images
W Bai, M Brady - Physics in Medicine & Biology, 2009 - iopscience.iop.org
A major challenge in thoracic PET imaging is respiratory motion, which degrades image
quality to the extent that it can affect subsequent diagnosis and patient management. This …
quality to the extent that it can affect subsequent diagnosis and patient management. This …
Compensating for patient respiration in PET/CT imaging with the registered and summed phases (RASP) procedure
PET/CT imaging has introduced new challenges in accurate quantitation of lung nodules
due to respiratory motion and mismatches in CT-based attenuation correction (CTAC). We …
due to respiratory motion and mismatches in CT-based attenuation correction (CTAC). We …
Motion-compensated PET image reconstruction with respiratory-matched attenuation correction using two low-dose inhale and exhale CT images
WH Nam, IJ Ahn, KM Kim, BI Kim… - Physics in Medicine & …, 2013 - iopscience.iop.org
Positron emission tomography (PET) is widely used for diagnosis and follow up assessment
of radiotherapy. However, thoracic and abdominal PET suffers from false staging and …
of radiotherapy. However, thoracic and abdominal PET suffers from false staging and …
Robust motion correction for respiratory gated PET/CT using weighted averaging
K Thielemans, G Gopalakrishnan, A Roy… - 2011 IEEE Nuclear …, 2011 - ieeexplore.ieee.org
Movement degrades image quality in PET/CT. A common strategy is to gate the PET data,
reconstruct the images, register each image to a reference gate, and average the registered …
reconstruct the images, register each image to a reference gate, and average the registered …
A spatiotemporal image registration algorithm for respiratory motion correction in PET/CT
D VISVIKIS, M Ledesma-Carbayo, F Lamare… - 2006 - Soc Nuclear Med
671 Objectives: Respiratory motion (RM) reduces accuracy in PET imaging. Proposed
correction methodologies concentrate on gated 4D acquisitions. However, resulting gated …
correction methodologies concentrate on gated 4D acquisitions. However, resulting gated …
Consistency driven respiratory phase alignment and motion compensation in PET/CT
A Alessio, S Kohlmyer… - 2007 IEEE Nuclear …, 2007 - ieeexplore.ieee.org
Respiratory motion in PET/CT imaging degrades PET image quantitation due to misaligned
attenuation correction (AC) factors and motion blurring. This work explores the use of the …
attenuation correction (AC) factors and motion blurring. This work explores the use of the …
A novel supervised learning method to generate CT images for attenuation correction in delayed pet scans
F Rao, B Yang, YW Chen, J Li, H Wang, H Ye… - Computer Methods and …, 2020 - Elsevier
Background and objectives Attenuation correction is important for PET image reconstruction.
In clinical PET/CT scans, the attenuation information is usually obtained by CT. However …
In clinical PET/CT scans, the attenuation information is usually obtained by CT. However …
An attenuation correction method for respiratory-gated PET/CT image
T Yamazaki, H Ue, H Haneishi… - 2006 IEEE Nuclear …, 2006 - ieeexplore.ieee.org
Previously we have proposed a motion correction method for avoiding both motion blur and
image noise in respiratory-gated lung SPECT images [Ue, et al., 2005][Ue, et al., 2006]. In a …
image noise in respiratory-gated lung SPECT images [Ue, et al., 2005][Ue, et al., 2006]. In a …