Virtual visual system for interactive video applications over telephone networks

Document Type



Master of Science (MS)


Computer Engineering

First Advisor's Name

Subbarao V. Wunnava

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Nagaraian Prabhakaran

Third Advisor's Name

Kang Yen

Fourth Advisor's Name

Tadeusz M. Babii

Date of Defense



The information transfer capacity of the software to share resources across a network such as the Public Switch Telephone Network (PSTN), extremely limits the performance of the system, especially when dealing with images and live video. Integrated Services Digital Network (ISDN) forms a technical platform for other communication technologies, such as Frame Relay and ATM. This research incorporates design and development of the Virtual Visual System (VVS) to provide real-time video conferencing and surveillance applications over ISDN with good image quality and compatibility with other equipment. VVS includes video capture device drivers, software modules to allow real-time audio/video data transfer, camera controller module, and developer kit. With these concepts and equipment availability, VVS can be extended to applications such as: interacting with the children in child-care centers by their parents from work; personal video conferencing; providing real time accident or similar information about automobiles to authorities in an Intelligent Transportation Systems (ITS) environment.



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