Articles with "inhomogeneity correction" as a keyword



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Development of intravoxel inhomogeneity correction for chemical exchange saturation transfer spectral imaging: a high‐resolution field map‐based deconvolution algorithm for magnetic field inhomogeneity correction

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28015

Abstract: CEST MRI is sensitive to dilute proteins/peptides and microenvironmental properties yet susceptible to magnetic field inhomogeneity. We aimed to develop a high‐resolution field map‐based CEST intravoxel inhomogeneity correction (CIVIC) algorithm for CEST Z‐spectral imaging. read more here.

Keywords: inhomogeneity; field; inhomogeneity correction; magnetic field ... See more keywords
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Simultaneous use of linear and nonlinear gradients for B1+ inhomogeneity correction

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Published in 2017 at "NMR in Biomedicine"

DOI: 10.1002/nbm.3742

Abstract: The simultaneous use of linear spatial encoding magnetic fields (L‐SEMs) and nonlinear spatial encoding magnetic fields (N‐SEMs) in B1+ inhomogeneity problems is formulated and demonstrated with both simulations and experiments. Independent excitation k‐space variables for… read more here.

Keywords: inhomogeneity correction; use; sems sems; simultaneous use ... See more keywords
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[P298] The influence of variations of the beam quality for high energy photon beams on tissue inhomogeneity correction factors for radiotherapy treatment plans

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Published in 2018 at "Physica Medica"

DOI: 10.1016/j.ejmp.2018.06.642

Abstract: Purpose The purpose of this study was to assess the effect of variations of the beam quality (TPR20,10) for photon beams on tissue inhomogeneity correction factors (ICFs). Methods A total of 90 three-dimensional conformal radiotherapy… read more here.

Keywords: energy; correction factors; treatment plans; correction ... See more keywords
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Evaluation of dose calculations with inhomogeneity correction in intensity-modulated radiation therapy for esophagus cancer.

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Published in 2018 at "Journal of X-ray science and technology"

DOI: 10.3233/xst-17364

Abstract: BACKGROUND Differences often exist in the dose calculation accuracy caused by using different dose calculation algorithms in non-uniform tissues. OBJECTIVE To evaluate the accuracy of dose calculation with inhomogeneity correction in intensity-modulated radiation therapy (IMRT)… read more here.

Keywords: esophagus cancer; dose calculations; inhomogeneity correction;