Motion Detectors

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Copyright: 2014
Pages: 21
Source title: Video Surveillance Techniques and Technologies
Source Author(s)/Editor(s): Vesna Zeljkovic (New York Institute of Technology, Nanjing Campus, China)
DOI: 10.4018/978-1-4666-4896-8.ch023

Keywords: Information Science Reference / Media & Communications / Multimedia Technology

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Abstract

The first five sections represent the foundation and offer various intelligent algorithms that are the basics for motion detectors and their realization. There are two classes of security system alarm triggers: physical motion sensor and visual motion sensors. Both analog motion detectors and digital motion detectors belong to the group of visual motion sensors. Digital motion detector systems should differentiate between activities that are acceptable and those that breach security. When security-breaching acts occur, the system should identify the individuals and instruct security personnel what to do. Motion detectors can surveil, detect, and assess, as well as analyze information and distribute information to security personnel. Motion detector systems drastically reduce the load of footage that guards must watch for a long period of time. Automated motion detectors are now a standard for serious medium to large security installations; they are necessary for high detection capabilities. All security systems must have an alarming device to signal the guard of irregular motion in a scene, even systems that have a tiny or huge number of cameras.

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