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Related Experiment Videos

Performance of Web-based image distribution: client-oriented measurements.

B Bergh1, M Pietsch, A Schlaefke

  • 1Department of Information and Communication Technology, Klinikum der Johann Wolfgang Goethe Universität, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany. bjoern.bergh@kgu.de

European Radiology
|April 19, 2003
PubMed
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For web-based medical image distribution, processor speed is key. Standard PCs exceeding Pentium II 350 MHz with 128 MB RAM offer clinically suitable performance, negating the need for high-end hardware.

Area of Science:

  • Medical Imaging
  • Computer Science
  • Radiology

Background:

  • Web-based image distribution is crucial for modern healthcare.
  • Optimizing personal computer (PC) configurations is essential for efficient medical image display.
  • Understanding hardware and software impacts on performance is vital for clinical workflow.

Purpose of the Study:

  • To determine optimal PC configurations for web-based medical image distribution.
  • To evaluate the performance impact of various hardware and software parameters on image display times.
  • To establish minimum PC requirements for clinical use.

Main Methods:

  • Developed specialized software to measure time-to-display (TTD).
  • Evaluated diverse PC configurations: processor speeds, RAM, screen resolutions, graphics adapters, network speeds, and operating systems.

Related Experiment Videos

  • Conducted over half a million measurements across various imaging modalities (computed radiography, CT, MRI).

    • Main Results:

    • Processor speed was the most significant factor influencing TTD; doubling speed halved TTD.
    • At speeds below 350 MHz, TTD exceeded 5 seconds for 1 computed radiography or 16 CT images, with Windows NT and lossy compression performing better.
    • At 350 MHz and above, TTD was under 5 seconds, favoring Windows 2000 and lossless compression. Higher screen resolutions impacted CR image TTD.
    • RAM, network speed, and graphics adapters showed no significant influence on TTD.

    Conclusions:

    • Standard off-the-shelf PCs meeting specific minimum requirements are sufficient for clinical image distribution.
    • A PC faster than Pentium II 350 MHz with at least 128 MB RAM is adequate for clinical routine.
    • High-end PC hardware is unnecessary for efficient web-based medical image display.