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Related Experiment Videos

[Remote access to a web-based image distribution system].

B Bergh1, A Schlaefke, R Frankenbach

  • 1Dezernat Informations- und Kommunikationstechnologie, Klinikum der Johann Wolfgang Goethe-Universität, Frankfurt am Main. bjoern.bergh@med.uni-heidelberg.de

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|June 3, 2004
PubMed
Summary
This summary is machine-generated.

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Virtual Private Network (VPN) technology is superior for remote hospital image access, offering better speed and security than dial-up. Asymmetric Digital Subscriber Line (ADSL) is recommended for frequent use, while ISDN is adequate for occasional access.

Area of Science:

  • Medical imaging informatics
  • Network security
  • Telemedicine

Context:

  • Hospital intranet systems require secure and efficient remote access for medical imaging.
  • Evaluating network technologies is crucial for optimizing Picture Archiving and Communication Systems (PACS).
  • Web-based image distribution systems offer a modern alternative to traditional teleradiology.

Purpose:

  • To assess network and security technologies for remote access to hospital web-based image distribution.
  • To compare direct ISDN-Dial-Up versus VPN connections for image retrieval.
  • To evaluate the impact of connection speeds and compression on image display times.

Summary:

  • Time-to-display (TTD) for CR, CT, and MR images was measured using ISDN (64/128 Kbit/s) and ADSL (768 Kbit/s) with direct dial-up and VPN connections.

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  • Lossy compression halved TTD across all tested configurations.
  • VPN connections offered superior speed and security compared to direct dial-up, especially at higher bandwidths.

    • Impact:

    • VPN technology is recommended over direct dial-up for enhanced security and speed in remote medical image access.
    • ADSL connections are preferable for frequent remote access, potentially omitting lossy compression.
    • Web-based systems demonstrate advantages in bandwidth and usability over conventional teleradiology.