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Remote Video Monitoring Over the WWW.pdf


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Remote Video Monitoring Over the WWW.pdf
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Multimedia Tools and Applications, 21, 173–195, 2003c?2003 Kluwer Academic Publishers. Manufactured in herlands.Remote Video Monitoring Over the WWWS.C. ******@ntu.edu.sgF. ******@Nanyang Technological University, School puter Engineering, Nanyang Avenue, Singapore 639798Abstract.Remote video monitoring has e increasingly important for monitoring the security of destinedlocations. Traditional security monitoring systems using coaxial cables and VCRrecording systems are expensiveand ineffective. With the rapid growth of the , it is now possible to use it as an intermediate transmissionmedium to support real-time video transmission. This paper proposes a web-based remote monitoring systemknown as iSecure. Apart from the essential live or stored video transmission, intelligent monitoring and web-based monitoring are also supported. As the transmission of live video data through the packet workenvironment of the canresult in packet loss andquality degradation, the iSecure systemhas implementedanadaptive transmission and recovery mechanism to enhance the quality of real-time video transmission. Intelligentmonitoring for elevator security andface-based door access control applications has been incorporated. TheiSecuresystem can be used as a framework for developing other intelligent remote monitoring applications.Keywords:remote video monitoring, web-based monitoring, intelligent monitoring, real-time videotransmission, world wide web1. IntroductionTraditional monitoring systems have been widely used for security purposes for bank,elevator, entrance to apartment, etc. In such systems, a video camera is usually installed atthe destined location and connected to a security console where the security operator canmonitor for suspicious activities. The video images from the camera can also be recordedand played back on a VCR machine. However, the picture quality of the video-tape is low.It is also impossible to search the recorded images for any desired information. In addition,the installation of such systems is very expensive due to the use of coaxial cables and othercontroller equipment.Recently, the has provided an intermediate transmission medium to supportremote video monitoring. A number of -based remote monitoring systems such asDigiEye [28], TeleEye Pro [26], Digital Surveillance [13] and Vision-Based Traf?c Surveil-lance System [20] have been developed and marketed. These systems can connect to through a phone line or Local work (LAN), and provide multiple remotemonitoring functions such as live video viewing, digital video recording and motion detec-tion. Compared with traditional monitoring systems, the -based monitoring systemshave some obvious advantages. It is more cost effective to use work cables in-stead of installing separate video cables and controller equipment. Digital images can berecorded and stored, and it is also possible to search the recorded images ef?ciently 内容来自淘豆网www.taodocs.com转载请标明出处.
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