动态复杂背景下的智能视频监控系统设计与实现

Design and Realization of Intelligent Video-surveillance System in Dynamic Complex Background

摘要:

采用二重对称帧间差分目标检测算法和基于压缩感知的目标跟踪算法,设计并实现了一种可适应动态复杂背景下的智能视频监控系统；基于目标检测该系统能提取本地视频文件中局部运动目标并进行视频压缩,减少回放、查看视频时间,可实时播放并处理本地或网络摄像头数据,也可根据光照变化动态调整二值化阀值,实现实时区域入侵检测与报警；基于目标跟踪本系统能在动态背景下对选定目标进行跟踪,可通过客户端手动控制监控云台跟踪,也可对入侵目标实现云台自主大角度追踪；实验表明,此系统能在日常复杂环境下对运动目标准确检测和大角度跟踪,在智能家居和移动安防领域有很好的实用性。

Abstract:

In this paper, an intelligent video surveillance system is designed and implemented in dynamic complex background based on the target detection algorithm of double symmetrical frame difference and the target tracking method based on compressive sensing. This system, based on target detection, has functions such as local moving objects extracted from local video file and compression to reduce playback time, local or network camera data real-time playing and processing, real-time area intrusion detection and alarm according to the change of illumination to dynamically adjust the binarization threshold. This system, based on target tracking, also has functions such as tracking the selected target in dynamic background, controlling monitoring PTZ through the client manually, tracking the invasion target independently with large angle,. The results showed that the system can accurately detect and track moving target in daily complex environment, have great practical needs in smart home and mobile security field.