Practical evaluation of standard-based low-cost video conferencing in telemedicine and epidemiological applications

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Abstract
The results of the evaluation of use of low-cost video conferencing systems (VCSs) in telemedicine is presented. Applications sharing, a new feature of these systems, recently has allowed high-quality computer-supported collaborative work (CSCW). The video conferencing (VCing) equipment used was Intel ProShare 200 v2.0a. It is representative of other low-cost VCSs. The areas of application are epidemiology and telemedicine (orthopaedics and radiology). Potential end users filled out 58 evaluation questionnaires concerning user profiles, contents and benefits of the sessions, organizational aspects, user friendliness, user acceptance, cost effectiveness, technical and multipoint related aspects. Although the end users had a lot of computer experience, their knowledge in VCSs was rather limited. The users assessed the system capable of being integrated into routine work, despite a high organizational impact. The VCS is user friendly, application sharing being used in almost every session. Audio quality was not always sufficient. The remote video was sufficient, as was the quality of medical images such as CT, MRI or X-ray. The user acceptance of the system was high. Multipoint sessions require a structured protocol to be effective. Some technical problems with MCUs (Multipoint Control Units) occurred. The use of low-cost standard VCSs in telemedicine is advisable and is a good substitute for real meetings.

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