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The cheapest fake security cameras can be recognized by not having real lenses (the "lenses" are just an opaque piece of plastic) Other fake cameras include broken real cameras, motion sensors disguised as cameras, or empty camera housings. They may have flashing lights, or a motor to simulate pan-tilt motion; the former can be a giveaway that ...
Flock's most popular products, the Falcon and Sparrow, are cameras which monitor traffic and photograph the rear of all passing vehicles. Their software uses artificial intelligence to read the vehicles' license plates and identify other distinguishing visual characteristics, sending that information to a central server via cellular network. [13]
Hidden cameras are often considered a surveillance tool. The term "hidden camera" is commonly used when subjects are unaware that they are being recorded, usually lacking their knowledge and consent; the term "spy camera" is generally used when the subject would object to being recorded if they were aware of the camera's presence.
Extensive video surveillance systems were relegated to merely recording for possible forensic use to identify someone, after the fact of a theft, arson, attack or incident. Where wide angle camera views were employed, particularly for large outdoor areas, severe limitations were discovered even for this purpose due to insufficient resolution. [4]
With cheaper production techniques, surveillance cameras are simple and inexpensive enough to be used in home security systems, and for everyday surveillance. Video cameras are one of the most common methods of surveillance. [42] As of 2016, there are about 350 million surveillance cameras worldwide. About 65% of these cameras are installed in ...
The term "false alarm" may actually be semantically incorrect in some uses. For example, a residential burglar alarm could easily be triggered by the residents of a home accidentally. The alarm is not necessarily false – it was triggered by the expected event – but it is "false" in the sense that the police should not be alerted.
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