article Open AccessTop 1% cited
Normalized metal artifact reduction (NMAR) in computed tomography
Medical Physics · 2010 · Vol. 37(10) · pp. 5482–5493
Esther Meyer✉(Friedrich-Alexander-Universität Erlangen-Nürnberg)Rainer Raupach(Siemens Healthcare (Germany))Michael Lell(Friedrich-Alexander-Universität Erlangen-Nürnberg)Bernhard Schmidt(Siemens Healthcare (Germany))Marc Kachelrieß(Friedrich-Alexander-Universität Erlangen-Nürnberg)
Abstract
NMAR clearly outperforms the other methods for both moderate and severe artifacts. The proposed method reliably reduces metal artifacts from simulated as well as from clinical CT data. Computationally efficient and inexpensive compared to iterative methods, NMAR can be used as an additional step in any conventional sinogram inpainting-based MAR method.
Advanced X-ray and CT ImagingRadiation Dose and ImagingMedical Imaging Techniques and ApplicationsNormalization (sociology)Interpolation (computer graphics)Computer visionThresholdingArtificial intelligenceLinear interpolationImage qualityImage scalingComputer scienceProjection (relational algebra)
MeSH terms
AlgorithmsBone NailsDental Restoration, PermanentHip ProsthesisHumansMetalsArtifactsPhantoms, ImagingImaging, Three-DimensionalCone-Beam Computed TomographyBiophysical Phenomena
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