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http://dx.doi.org/10.5762/KAIS.2019.20.9.7

Design and Implementation of IP Video Wall System for Large-scale Video Monitoring in Smart City Environments  

Yang, Sun-Jin (Division of Computing, Soongsil University)
Park, Jae-Pyo (Graduated School of Information Sciences, Soongsil University)
Yang, Seung-Min (Division of Computing, Soongsil University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.9, 2019 , pp. 7-13 More about this Journal
Abstract
Unlike a typical video wall system, video wall systems used for integrated monitoring in smart city environments should be able to display various videos, images, and texts simultaneously. In this paper, we propose an Internet Protocol (IP)-based video wall system that has no limit on the number of videos that can be monitored simultaneously, and that can arrange the monitor screen layout without restrictions. The proposed system is composed of multiple display servers, a wall controller, and video source providers, and they communicate with each other through an IP network. Since the display server receives and decodes the video stream directly from the video source devices, and displays it on the attached monitor screens, more videos can be simultaneously displayed on the entire video wall. When one video is displayed over several screens attached to multiple display servers, only one display server receives the video stream and transmits it to the other display servers by using IP multicast communications, thereby reducing the network load and synchronizing the video frames. Experiments show that as the number of videos increases, a system consisting of more display servers shows better decoding and rendering performance, and there is no performance degradation, even if the display server continues to be expanded.
Keywords
CCTV; IP Camera; Monitoring System; Multicast; Video Wall;
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Times Cited By KSCI : 4  (Citation Analysis)
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