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  2. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion. Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. They form a vital component of security, automated lighting ...

  3. Artificial intelligence for video surveillance - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence...

    Motion detection cameras. In response to the shortcomings of human guards to watch surveillance monitors long-term, the first solution was to add motion detectors to cameras. It was reasoned that an intruder's or perpetrator's motion would send an alert to the remote monitoring officer obviating the need for constant human vigilance.

  4. Motion detection - Wikipedia

    en.wikipedia.org/wiki/Motion_detection

    Motion detection. Motion detection is the process of detecting a change in the position of an object relative to its surroundings or a change in the surroundings relative to an object. It can be achieved by either mechanical or electronic methods. [1] When it is done by natural organisms, it is called motion perception .

  5. Video content analysis - Wikipedia

    en.wikipedia.org/wiki/Video_content_analysis

    Video content analysis or video content analytics ( VCA ), also known as video analysis or video analytics ( VA ), is the capability of automatically analyzing video to detect and determine temporal and spatial events. This technical capability is used in a wide range of domains including entertainment, [1] video retrieval and video browsing ...

  6. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A passive infrared sensor ( PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications. PIR sensors detect general movement, but do not give ...

  7. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera. Home surveillance cameras used for security purposes have become more accessible, but have sparked security concerns from consumers. Motion sensors. Surveillance cameras and ...

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