An experimental teleradiology transmission system using a high-speed ATM backbone network

Abstract

We evaluated the performance of an experimental teleradiology system based on a high-speed ATM backbone network. Image acquisition, transmission and the disk-to-display processing times were measured. Computerized tomography (CT) scans printed on 14 inch x 17 inch (36 cm x 43 cm) films were digitized and transferred over the network. The average time for the entire process was 1 min 30 s. Three radiologists interpreted 20 cases. For CT image interpretation, the reading time for one case ranged from 2 to 12 min (mean 6 min 46 s) on a monitor, and from 1 to 3 min (mean 1 min 31 s) with the original film. The ATM backbone network operating at 156 Mbit/s provided sufficient speed for remote consultation. However, further improvements in the operability of the system, especially the image viewing station, are necessary before it will be satisfactory for clinical use.

A telemedicine system for collaborative work on radiographic coronary video-images

“…One is a telecommunication line that allows high-speed communication. Rapid advances in highspeed communications technology have made it possible to take advantage of multimedia communications Journal of Telemedicine and Telecare Volume 10 Number 3 2004 Table 2 Five examples (from the series of 27 cases) of the evaluations a of wall motion from the transmitted cineventriculograms, made by the five investigators (I1-I5), compared with that recorded in the original report in medicine 5 . The transmission of video-images is rarely practicable over a telephone line.…”

“…One is a telecommunication line that allows high-speed communication. Rapid advances in highspeed communications technology have made it possible to take advantage of multimedia communications in medicine 5 . The transmission of video-images is rarely practicable over a telephone line.…”

Evaluación De Los Protocolos Ipsec Y SSL en La Transmisión Segura De Imágenes Diagnosticas en Teleradiologia Utilizando El Estándar Dicom

“…Una estación de envío debería comprometer elevada resolución con baja compresión y con una velocidad de transmisión alta (cientos de Mbits/s [9]), sin embargo, esto no es tan sencillo de lograr debido a que la optimización de alguno de estos paráme-tros afecta a los demás (al incrementar la resolución se aumenta el tiempo de envío). La selección de la velocidad de transmisión se realiza teniendo en cuenta un punto de equilibrio de 700 Kbps que no afecta en mayor medida la resolución y la compresión.…”