2009
DOI: 10.1016/j.media.2009.01.003
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A subject-specific technique for respiratory motion correction in image-guided cardiac catheterisation procedures

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Cited by 75 publications
(77 citation statements)
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“…Currently, the 3D roadmap remains static and does not move with the patient's respiratory motion. In some cases, respiratory motion can cause a two-dimensional (2D) registration error of over 14 mm [2], which is a significant compromise in the accuracy of guidance. A number of groups have previously addressed the issue of respiratory motion correction for cardiac interventions.…”
Section: Introductionmentioning
confidence: 99%
“…Currently, the 3D roadmap remains static and does not move with the patient's respiratory motion. In some cases, respiratory motion can cause a two-dimensional (2D) registration error of over 14 mm [2], which is a significant compromise in the accuracy of guidance. A number of groups have previously addressed the issue of respiratory motion correction for cardiac interventions.…”
Section: Introductionmentioning
confidence: 99%
“…This registration process results in 12 affine parameters for each dynamic image. 2 nd order polynomial curves are fitted in a least-squares sense to each affine parameter as a function of the respiratory surrogate signal (King et al, 2009). Given a value s of the surrogate acquired in the intra-procedure setting, the MRI-derived motion model outputs a twelve parameter affine transformation, denoted byθ(s).…”
Section: Prior Probabilitymentioning
confidence: 99%
“…model-only: a surrogate-driven model estimate (King et al, 2009). Given the surrogate value s, the motion estimate isθ(s).…”
Section: Comparison Of Estimation Techniquesmentioning
confidence: 99%
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“…Manke et al [4] proposed a linear parametric model describing the relation between the variation of the diaphragmatic position and the respiratory-induced motion derived from image-intensity based registration for cardiac-triggered 3D MR imaging. King et al [5] present an affine model which is based on the tracked motion of the diaphragm to compensate for respiratory motion in real-time X-ray images. The main drawback of these approaches is that they require manual landmark selection for diaphragm tracking.…”
Section: Introductionmentioning
confidence: 99%