| Abstract:With video images and surveillance technology improved, from the beginning of video surveillance devices have been developed to fully simulate mixed analog-digital or even completely digital control, which is a digital system. Concise, accurate identification, real-time applications as well as a large amount of information processing is a video surveillance system characteristics. Field of research for video surveillance system has some theoretical value and practical significance.This paper analyzes the video surveillance related technologies, based on the actual work for a certain demand for urban management unit, study build process for Law Enforcement video surveillance system. This paper introduces the system architecture and the associated function module design and data acquisition technology based on video, TV system selection techniques and video encoding technology, design and implementation of video data acquisition, storage, query, portable (mobile) measurement and device control functions and build a video surveillance system.The system has been applied to an urban brigade official daily management and law enforcement work, the system application results show that the various functions meet the design requirements, access to good effect. |
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