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Video surveillance is the practice of watching people's movements on camera, usually to prevent crime or for work-related reasons.
How does a video camera operate and what is it?
a piece of technology that records and captures individual frames from movies. The number of horizontal lines in each frame, which make up each frame, defines the basic visual quality of the images.
What function does a video camera serve in studies?
Because cameras may be moved and positioned in multiple rooms, or their angle can be altered in real-time by remote control, they can also be employed in a variety of ways depending on the study topics. The video approach can offer a comprehensive collection of data if the necessary requirements are satisfied.
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