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Related Experiment Videos

Introducing a downsized, open computer system with asynchronous transfer mode in PACS and its effect on image data

T Inoue1, Y Koyama, H Suzuki

  • 1Department of Nuclear Medicine, Gunma University School of Medicine, Maebashi, Japan.

Radiation Medicine
|December 23, 1998
PubMed
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A new picture archiving and communication system (PACS) with a downsized, open computer system significantly improved image transfer speeds. However, asynchronous transfer mode (ATM) network integration showed limited benefits due to Ethernet branches.

Area of Science:

  • Medical Imaging
  • Computer Science
  • Network Engineering

Background:

  • Picture Archiving and Communication Systems (PACS) are crucial for managing medical images.
  • Evaluating network technologies like Asynchronous Transfer Mode (ATM) is essential for optimizing PACS performance.
  • Downsized, open computer systems offer potential for improved efficiency in PACS.

Purpose of the Study:

  • To evaluate the effectiveness of a new, downsized, open computer system within a medium-sized PACS.
  • To assess the impact of implementing an Asynchronous Transfer Mode (ATM) network on image data transmission speeds in PACS.
  • To identify network configurations that best support high-speed image transfer in PACS.

Main Methods:

  • Conducted experiments on image data transmission within a medium-sized PACS.

Related Experiment Videos

  • Compared image transfer and registration speeds between an initial PACS and a newly implemented system.
  • Analyzed the contribution of ATM networking and identified bottlenecks, specifically Ethernet branches.

    • Main Results:

    • The new PACS demonstrated a four to eleven times faster image transfer and registration speed compared to the previous system.
    • The introduction of ATM did not significantly enhance image transfer speeds due to the presence of Ethernet branches.
    • Ethernet branches between gateway and display workstations limited the performance benefits of the ATM network.

    Conclusions:

    • A downsized, open computer system can substantially accelerate PACS image transfer and registration.
    • ATM networking's effectiveness in PACS is hindered by intermediate Ethernet branches.
    • A star architecture without Ethernet branches is recommended for PACS utilizing ATM networks to maximize speed.