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Proceedings Paper

Technical development of shared radiology educational resources via teleconferencing
Author(s): Brent K. Stewart; Nicholas J. Mankovich; James W. Sayre; Samuel J. Dwyer; Richard H. Gold; Edward G. Grant; Hooshang Kangarloo; Issa Yaghmai
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Paper Abstract

A dial-up teleconferencing network was implemented between three radiologic educational sites for a 30-day period of evaluation. By means of standard T-1 telephone channels, compressed video and audio signals displayed radiologic images, slides and text, allowing residents and faculty from the three sites to participate in visual and auditory interactions. Each site used compressed video/audio codecs conforming to the Comite Consultatif International de Telegraphique et Telephonique (CCITT) H.261 standard. Four video cameras were used at each site and the audio was run in full duplex mode. A multipoint video bridge was used to telecast codec output signals to the input lines of the other codecs. Although audio quality and spatial resolution need to be improved, the results of this pilot study imply that compressed video conferencing has the potential to become a practical, cost-effective method of sharing educational resources by means of interactive radiologic multisite educational programs.

Paper Details

Date Published: 8 September 1993
PDF: 12 pages
Proc. SPIE 1899, Medical Imaging 1993: PACS Design and Evaluation, (8 September 1993); doi: 10.1117/12.152893
Show Author Affiliations
Brent K. Stewart, UCLA School of Medicine (United States)
Nicholas J. Mankovich, UCLA Medical Ctr./Olive View and LA County Dept. of Health Sciences (United States)
James W. Sayre, UCLA School of Medicine (United States)
Samuel J. Dwyer, Univ. of Virginia Health Sciences Ctr. (United States)
Richard H. Gold, UCLA School of Medicine (United States)
Edward G. Grant, Wadsworth VA Hospital (United States)
Hooshang Kangarloo, UCLA School of Medicine (United States)
Issa Yaghmai, UCLA Medical Ctr./Olive View and LA County Dept. of Health Sciences (United States)


Published in SPIE Proceedings Vol. 1899:
Medical Imaging 1993: PACS Design and Evaluation
R. Gilbert Jost, Editor(s)

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