| With the rapid development of video compression technology and network communication technology, network supervision system then appeared and has been applied in every walk of life. Especially in recent years, wireless network has been rapidly developed, wireless video supervision has been a new demand. It bases on the wireless network and with no wire, it can makes remote and temporary supervision more easy, and saves much cost.The tasks of this thesis are to analysis and study the key techniques of video compression and wireless transmission, and then to achieve such a system based on multi-channel transmission, which is customized for Guangdong expressway system. The main research contents include several aspects as below:1)... |
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