X-ray micro-CT with a displaced detector array.

Ge Wang

doi:10.1118/1.1489043

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X-ray micro-CT with a displaced detector array.

Ge Wang

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Abstract

Because the sizes of samples differ in x-ray micro-CT applications, it is desirable to have a mechanism to change the field of view of a micro-CT scanner. A well-known way to double the diameter of the field of view is to displace a detector array by 50%. In this paper, we propose to displace a detector array by an amount of greater than 0% but less than 50% for a continuously adjustable field of view, and formulate a weighting scheme for artifact-free reconstruction. Then, we perform numerical simulation with the Shepp-Logan phantom to demonstrate the feasibility in fan-beam and cone-beam geometry.

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Computer Simulation Humans Image Processing, Computer-Assisted Models, Statistical Phantoms, Imaging Tomography, X-Ray Computed X-Rays Journal Article

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Ge Wang. 2002. X-ray micro-CT with a displaced detector array.. https://doi.org/10.1118/1.1489043

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