A video automatic surveillance alarm apparatus has been developed, based on the digital image matching principle, possessing the ability to detect moving tsrget' s in a stationary scene.
利用数字图像匹配技术检测出静止场景中运动物体的原理，研制出了电视自动监视报警擒拿装置。
This paper introduces a kind of digital video surveillance system based on PCI image grab card. Its system structure and achieving method are presented in this paper.
介绍了一种基于PCI总线图像采集卡的数字视频监控系统，给出了系统结构和实现方法。
Meanwhile, with the development of image digital technology, surveillance on important targets using image technology has become an indispensable part of our society.
同时随着图像数字技术的成熟，利用图像技术对重要对象进行监控，已经逐渐成为现代生活中必不可少的一部分。
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