Imaging fire detector

Details Imaging fire detector Imaging fire detector

2007-10-23

2007-10-23

Mehta, Bhavesh M (Department: 2624)

Image analysis

Pattern recognition

C340S577000, C250S339150

Reexamination Certificate

active

10221081

ABSTRACT:
An imaging fire detector is used to detect a fire from a recorded image sequence. Either a video camera or an infrared camera is used as an imaging device. Characterizing parameters of a fire are either analyzed individually or in combination. In order to detect changes, an object analysis, a pattern analysis or a spatial-frequency analysis of the recorded image sequences is conducted. Using a threshold value for the duration of the changes, short-term changes are detected and discarded. In a further embodiment, the fire detector may also be used as a burglar alarm. With the aid of communication means, the fire detector transmits a fire alert to a master station.

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