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Related Experiment Videos

Hardware and software artifacts in storage phosphor radiography.

J W Oestmann1, M Prokop, C M Schaefer

  • 1Department of Diagnostic Radiology, Academisch Ziekenhuis Leiden, The Netherlands.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|September 1, 1991
PubMed
Summary
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Digital radiography artifacts from storage phosphor systems degrade image quality. Recognizing and addressing these hardware and software issues is crucial for accurate diagnosis and system maintenance.

Area of Science:

  • Medical Imaging
  • Radiology
  • Digital Image Processing

Background:

  • Digital radiographs using storage phosphor systems are susceptible to artifacts.
  • These artifacts can significantly degrade image quality, mimicking or obscuring medical conditions.

Purpose of the Study:

  • To identify and categorize common hardware and software artifacts in digital radiographs.
  • To understand the impact of these artifacts on diagnostic accuracy.
  • To provide guidance on artifact recognition, tracing, and mitigation.

Main Methods:

  • Analysis of digital radiographs from storage phosphor systems.
  • Identification of artifact sources including image plate, reader, laser printer defects, readout errors, processing, and unsharp masking.
  • Categorization of artifacts based on their origin (hardware vs. software/processing).

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Main Results:

  • Artifacts can mimic conditions like calcifications and pneumothoraces.
  • Subtle or low-contrast lesions may be concealed by artifacts.
  • Common causes include defects in image plate, reader, printer, readout, and post-processing.

Conclusions:

  • Artifacts in digital radiography necessitate careful recognition and identification of their source.
  • Proper system maintenance and informed adjustment of post-processing algorithms are essential.
  • Addressing artifacts improves diagnostic confidence and ensures reliable imaging outcomes.