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AssigneeKoninklijke Philips N.V.
InventorsROLF DIETER BIPPUS, THOMAS KOEHLER, KEVIN MARTIN BROWN
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The present invention relates to a method and a cone beam computed tomography apparatus for reducing artefacts in an image acquired with the cone beam computed tomography apparatus using a second pass artefact reduction method. Projection data of an object are acquired, wherein the projection data comprises a first subset of data to be used for reconstruction of a first image, and a second subset of data comprising projection data not to be used for the construction of the first image, wherein the second subset of data comprises projection data not comprised in the first subset of data. A first and a second image are reconstructed using the first and the second subset of data, respectively. A second pass artefact reduction method is performed using the second image as input image of the second pass artefact reduction method, thereby reducing artefacts in the first image.
A method for reducing artefacts in a cone beam computed tomography, the method comprising:
A computed tomography apparatus for reducing cone beam artefacts in an image using a second pass artefact reduction, the apparatus comprising
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A non-transitory computer-readable medium for storing executable instructions, which cause a method to be performed for reducing artefacts in a cone beam computed tomography, the method comprising:
Dependencies are inferred from the claim text.