This system has implemented intelligent motion detection by utilizing a algorithm of difference image based on an automatically-updating background model.

利用背景自动更新模型的背景减法，实现了智能运动检测功能，并进行异常情况告警和启动告警录像；

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Physical studies of the eyes and retinas of fish show that the majority can obtain a clearly focused image, detect motion, and have good contrast-detection ability.

物理研究鱼的眼睛和视网膜显示大多数鱼能获得清晰对焦的图像，侦测动作，并具有良好的反差度检测能力。

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A new detection method of motion vector was proposed in order to stabilize image sequence with rotation.

针对帧间旋转图像序列的稳定处理，提出一种新的运动矢量探测方法。

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