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Ring artifact correction in gamma-ray process tomography imaging.

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Summary

This study applies an automatic ring artifact reduction method to gamma-ray Industrial Process Tomography (IPT) images. The method effectively suppresses ring artifacts without losing critical information in catalytic column imaging.

Keywords:
Automatic ring artifact reduction methodComputed Tomography (CT)Industrial Process Tomography (IPT)Ring artifactsγ-ray

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Area of Science:

  • Nuclear Engineering
  • Image Processing
  • Industrial Tomography

Background:

  • Ring artifacts are a known issue in X-ray Computed Tomography (CT).
  • Limited research exists on ring artifact reduction for gamma-ray based Industrial Process Tomography (IPT).
  • In-situ gamma-ray IPT is crucial for monitoring industrial processes like catalytic columns.

Purpose of the Study:

  • To evaluate the effectiveness of a recently proposed automatic ring artifact reduction method on gamma-ray IPT data.
  • To assess the method's performance in suppressing artifacts without compromising image quality.
  • To demonstrate the applicability of the method in a real-world industrial process monitoring scenario.

Main Methods:

  • Application of an automatic ring artifact reduction algorithm (Yoon et al., 2016).
  • Utilized experimental projection data from a gamma-ray based IPT system.
  • Qualitative and quantitative evaluations of artifact reduction and information preservation.

Main Results:

  • The automatic ring artifact reduction method successfully suppressed ring artifacts in gamma-ray IPT images.
  • No significant loss of essential image information was observed after artifact removal.
  • The method proved effective for processing data from a prototype catalytic column.

Conclusions:

  • The automatic ring artifact reduction method is suitable for gamma-ray based Industrial Process Tomography.
  • The technique offers a viable solution for improving image quality in industrial process monitoring.
  • Further application of this method can enhance the reliability of gamma-ray IPT systems.