Ring Artifact Detection and Removal Algorithm for CT Images
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Resource Overview
This algorithm detects and eliminates ring artifacts in CT images and can be extended to mitigate metal artifacts through specialized processing techniques including frequency domain filtering and sinogram correction.
Detailed Documentation
The algorithm enables detection and removal of ring artifacts in CT images through computational methods such as Fourier transform analysis and background normalization. It can also be adapted for metal artifact reduction by implementing sinogram inpainting techniques and iterative reconstruction corrections to handle photon starvation and beam hardening effects.
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