Still smaller versions the size of specks of salt can be added to paint, turning entire surfaces into wireless sensors that can detect motion or act as smoke alarms or security systems.
更小一点如盐粒大小的传感器可以被掺入油漆中，把整个表面变成无线传感器——可以侦测物体的运动或是担当烟雾警报器、安全系统。
The gray scale projection algorithm can detect motion vector of image sequential frames in electronic image stabilization.
在电子稳像中，利用灰度投影的方法可以实现图像序列帧间运动矢量的检测。
To detect motion target under moving camera in an image sequence, it is often needed to register moving background at first.
为检测运动背景中的动目标，通常需要进行运动背景补偿校正。
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。
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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