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Metal streak artifacts in X-ray computed tomography: a simulation study | IEEE Conference Publication | IEEE Xplore

Metal streak artifacts in X-ray computed tomography: a simulation study


Abstract:

Metal streak artifacts are an important problem in X-ray computed tomography. A high-resolution 2D fan-beam computed tomography simulator is presented. Several potential ...Show More

Abstract:

Metal streak artifacts are an important problem in X-ray computed tomography. A high-resolution 2D fan-beam computed tomography simulator is presented. Several potential causes of metal streak artifacts are studied using phantom measurements and simulations. Beam hardening, scatter, noise and exponential edge-gradient effect are identified as important causes of metal streak artifacts. Furthermore, also aliasing effects and object motion can be responsible for certain metal streak artifacts.
Date of Conference: 08-14 November 1998
Date Added to IEEE Xplore: 06 August 2002
Print ISBN:0-7803-5021-9
Print ISSN: 1082-3654
Conference Location: Toronto, ON, Canada

References

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