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Applying a PC accelerator board for medical imaging.

J Gray1, F Grenzow, M Siedband

  • 1Dept. of Med. Phys., Wisconsin Univ., Madison, WI.

IEEE Engineering in Medicine and Biology Magazine : the Quarterly Magazine of the Engineering in Medicine & Biology Society
|January 1, 1990
PubMed
Summary

To speed up X-ray image expansion, researchers tested hardware upgrades. A DSP32-PC-160 accelerator board significantly improved processing times for medical imaging applications.

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Area of Science:

  • Medical Imaging
  • Computer Science
  • Hardware Acceleration

Background:

  • X-ray images require significant computational resources for expansion.
  • Existing expansion times of 25 minutes were inadequate for clinical needs.
  • A target expansion time under 10 seconds necessitated a >150x speed increase.

Purpose of the Study:

  • To identify cost-effective hardware solutions for accelerating X-ray image expansion.
  • To meet stringent performance requirements for medical imaging processing.
  • To evaluate computational speed improvements for image decompression.

Main Methods:

  • Utilized an AT-compatible computer for X-ray image decompression.
  • Evaluated the performance impact of an 80287 coprocessor.

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  • Selected and tested the DSP32-PC-160 floating-point accelerator board.

    • Main Results:

    • The 80287 coprocessor provided only a 5x speed increase.
    • The DSP32-PC-160 board met processing speed and cost requirements (<$1000).
    • The selected board offered sufficient processor speed, memory, and data bus width.

    Conclusions:

    • The DSP32-PC-160 accelerator board is a viable, cost-effective solution for rapid X-ray image expansion.
    • Hardware acceleration is crucial for achieving real-time processing in medical imaging.
    • This approach significantly reduces computational bottlenecks in handling large image datasets.