System and method for video based fire detection

Details System and method for video based fire detection System and method for video based fire detection

G - Physics

08

B

G08B 17/12 (2006.01) G06K 9/00 (2006.01) G06T 7/40 (2006.01)

Patent

CA 2675705

A method for recognizing fire using block-wise processing of video input provided by a video detector. Video input is divided into a plurality of frames (42), and each frame is divided into a plurality of blocks (44). Video metrics are calculated with respect to each of the plurality of blocks (46), and blocks containing the presence of fire are identified based on the calculated video metrics (74). The detection of a fire is then communicated to an alarm system.

Le procédé de reconnaissance d'incendie selon l'invention utilise un traitement par blocs d'une entrée vidéo fournie par un détecteur vidéo. L'entrée vidéo est divisée en une pluralité de trames (42), et chaque trame est divisée en une pluralité de blocs (44). Des mesures vidéo sont calculées en ce qui concerne chacun de la pluralité de blocs (46), et les blocs contenant la présence d'un feu sont identifiés sur la base des mesures vidéo (74) calculées. La détection d'un incendie est ensuite communiquée à un système d'alarme.

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