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FAQs

How are ring artifacts (concentric circle noise) reduced in CT images?

Category
Micro-CT Scanners FAQs

Ring artifacts appear as concentric rings of varying brightness in CT images. These are primarily caused by inconsistent sensitivity across detector elements or defective pixels. To minimize these artifacts, perform detector calibration (gain correction) and utilize the system's built-in ring artifact correction functions.

Example of Ring Artifact Reduction (Before/After)
Ring artifact

Microfocus X-ray Inspection Systems

X-Ray Inspection System