Clinical evaluation of correction of cardiac respiratory motion accounting for irregular respiration
1364 Objectives In SPECT when the respiration varies there can be a large variation in the
counts in amplitude bins at different projection angles. This can result in limited-angle …
counts in amplitude bins at different projection angles. This can result in limited-angle …
Estimation and correction of cardiac respiratory motion in SPECT in the presence of limited‐angle effects due to irregular respiration
Purpose: One issue with amplitude binning list‐mode studies in SPECT for respiratory
motion correction is that variation in the patient's respiratory pattern will result in binned …
motion correction is that variation in the patient's respiratory pattern will result in binned …
Non-rigid full torso respiratory motion correction of SPECT studies
Respiratory motion artifact is one of the factors limiting the diagnostic accuracy of SPECT or
PET. Full-torso respiratory motion correction in general requires non-rigid respiratory motion …
PET. Full-torso respiratory motion correction in general requires non-rigid respiratory motion …
Impact of variability in respiration on estimation and correction of respiratory motion of the heart in SPECT
J Dey, KJ Johnson, PH Pretorius… - 2007 IEEE Nuclear …, 2007 - ieeexplore.ieee.org
Respiratory motion combined with the" respiratory creep" of the heart can impact the
diagnostic accuracy of cardiac PET or SPECT perfusion images. Several groups have …
diagnostic accuracy of cardiac PET or SPECT perfusion images. Several groups have …
Compensation of respiratory motion in cardiac SPECT with list-mode acquisition and an external respiration-tracking device
PP Bruyant, B Feng, PH Pretorius, S Dahlberg… - Journal of Nuclear …, 2004 - Elsevier
Background Respiratory motion is one of the leading causes for artifacts in cardiac SPECT.
We present a compensation method based on the knowledge of the respiratory state of the …
We present a compensation method based on the knowledge of the respiratory state of the …
Estimation and correction of irregular respiratory motion of the heart in presence of partial angle effects due to amplitude binning in SPECT
Respiratory motion combined with the “respiratory creep” of the heart can affect the
appearance of defects and even conceal them, thereby impacting the diagnostic accuracy of …
appearance of defects and even conceal them, thereby impacting the diagnostic accuracy of …
SPECT acquisition using dynamic projections: a novel approach for data-driven respiratory gating
BF Hutton, RL Hatton, N Yip - ANZ Nuclear Medicine, 2002 - osti.gov
Full text: Movement of the heart due to respiration has been previously demonstrated to
produce potentially serious artefacts. On-line respiratory gating is difficult, as it requires a …
produce potentially serious artefacts. On-line respiratory gating is difficult, as it requires a …
Investigation of respiratory motion correction with and without motion correction of attenuation map in cardiac SPECT/CT in presence of non-rigid motion, an NCAT …
Respiratory motion combined with “respiratory creep” of the heart can introduce false
cooling or affect the appearance of defects and thereby impact the diagnostic accuracy of …
cooling or affect the appearance of defects and thereby impact the diagnostic accuracy of …
The effect of number of iterations and respiratory motion in cardiac SPECT reconstruction with modeling spatial resolution: The hidden danger of canceling artifacts
138 Objectives Resolution compensation (RC) through modeling spatial resolution in
iterative reconstruction has been shown to enable a reduction of imaging time/administered …
iterative reconstruction has been shown to enable a reduction of imaging time/administered …
Estimation and correction of rigid and non-rigid respiratory motion of the heart for SPECT
J Dey, B Feng, KL Johnson… - 2006 IEEE Nuclear …, 2006 - ieeexplore.ieee.org
One of the factors limiting the diagnostic accuracy of cardiac SPECT perfusion imaging is the
respiratory motion of the heart. We present two algorithms for estimating and correcting heart …
respiratory motion of the heart. We present two algorithms for estimating and correcting heart …
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