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Mobile video surveillance and remote control system and its applications – mobile TV, mobile video, Internet television – broadcasting industry
With three major national companies continue to encourage the building of 3G networks, applications, high-speed wireless network based on telephone more and more mobile, including a very special is the mobile video surveillance.
Break through the bottleneck of the limitations of network bandwidth, mobile video monitor with a good video clarity and in real time, which not only has the image of fixed-line capabilities of video surveillance, but also is essential to meet the user at anytime, anywhere remote to see demand for video surveillance in real time, has the following advantages: the benefits any time, anywhere, to achieve anytime, anywhere AnyDevice (any time, any place, any device) to the surveillance video, cost advantage, the phone is a whole world "has" terminals, video surveillance client as when used as a reuse, reduce investment user also low compared with prices PC to mobile phones, has a good cost advantage, safety advantage, phone number and serial number mobile devices to the uniqueness of the strict sense, the user authentication, user-friendly management.
With a performance continued to improve, 3G mobile phones have become terminal "universal." The phone not only for video browsing, image capture real-time video, audio, and then sent to the platform for the processing, storage, comparison, can further improve the effectiveness and implementation of applications for mobile phones. In addition, the phone as a terminal control device of the type of machine is MachineTo remote video surveillance and mobile Remote control objectives.
2 mobile intelligent video surveillance Integrated Architecture
As stated above, in accordance with customer needs and different scenarios, 3G mobile phones and video navigation, control signal to send video or audio capture, image capture and other functions to achieve the terminal or client, to secure the other front-end or client devices configured by the platform, each medium is capable of forming different purposes. 3G mobile networks based on a wide range of applications can be shown in Figure 1, in the framework of a unified system.
From the structural point of view, and fixed line network video monitoring system like the system as a whole is divided into front-end equipment, platform management center, the client devices three parts.
front-end equipment can be divided into: the type of camera, especially to include the simulation of ball machines, analog and bolt the intellectual property of game machines, bolt, encoding and type of storage server, the concrete can be divided into DVS, DVR, NVS, NMR, etc., type sensor, such as infrared sensors, magnetic sensors, window, door magnetic sensors, flame sensors, temperature sensors, other types of collection devices, as mobile phones, audio capture devices, the kind of alarm device, such as the alarm switch, alarm, alarm speakers.
Center devices include enterprise management platform, distribution, streaming media, video transcoding, video storage, alarm processing, signaling gateway, SMS / MMS Gateway, the intelligent analysis of what the other server.
The main functions of client devices navigation is video surveillance, search results and sight recognition, equipment configuration feature for user applications, equipment specific monitoring and control form PC, video matrices, TV wall or other mobile terminals such as mobile phones, PDA, PPC, etc.
Architecture of the above we can see, mobile phone collection 3G, visit the capacity and features detachable, so that the whole system architecture not only can be used as front-end computer 3G mobile phone to capture real-time video and image capture charge Customers can also monitor real-time video navigation and see the alarm, intelligent analysis and monitoring of results to view. Typical applications
3 functions 3G phone as 3G mobile phone features
diversity of applications in different role played by devices also vary, depending the implementation of the following scenarios 3G mobile phones in which the role played separately described.
Surveillance 3.1 video here China Telecom cdma2000EV-DORevA network, for example, the frequency of a single downlink and uplink peak carrier, respectively 3.1Mbit / s and 1.8Mbit / s on base wide-band high resolution and frame rate video and wireless mobile browser increases real-time video possible. Today the official proceedings of China Telecom have been the eyes of the world of mobile phone video standard video display products encoding formats as H.264baselineprofilelevel-1.2 (QVGA: 320 × 240 @ 20), mainly to satisfy the users in real time and more HD video Xi-grade mobile viewing needs.
Videos navigation application on the phone if the real-time video of the wall by the PC or watching TV acquisition equipment, usually required to call center platform, video transcoding server "CIF/D1 resolution, high frame rate video transfer source code for H.264 small stream; current premises equipment directly coding small stream with a small stream or raise capacity, should call the platform "center video relay server" will air on mobile phone video.
Capture 3.2 3G Video will be a front-end mobile applications
In real time video capture in mobile applications server platform management business by mobile phone number assigned by a unified access ID in the video camera and high-quality encoding capabilities to your mobile phone strong real-time, the front and an access platform for video capture, his being, to some extent consistent with the IP camera has front-end capture device video. When the phone comes with the camera open and using the 3G network to upload a video in real time up-link transmitted through the video server Video Relay, you can access a variety of forms ranging from video screen to monitor the use of the C machine, as a customer display mobile phone video and see some another terminal in real time.
Furthermore, the dedicated mobile customer base, users can also upload phone as a data channel, using its own USB cable to connect various devices such as digital cameras, digital cameras, external storage, etc. to achieve a variety of other high-speed data, load cell, and to expand the mobile terminal as upstream data applications.
Alarm 3.3 phone and control based on Integral Security Home
The 3G network based on an integrated system of intelligent mobile surveillance Another typical application is in monitoring Mobile video overlay based on a variety of remote control alarm and home team, home security integrated with equipment and processes indicated in figure 2.
Home phone alarm and control diagram of an integrated security system
Composition of system equipment as shown in Figure 1, in line with the overall structure is divided into front, the platform, client-side in three parts. Front-end, as the camera (the shape of cannon cameras spherical), multiple sensors (magnetic door, magnetic windows, infrared About the Author
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