EP 1364351 A1 20031126 - METHOD AND DEVICE FOR DETECTING FIRES BASED ON IMAGE ANALYSIS
Title (en)
METHOD AND DEVICE FOR DETECTING FIRES BASED ON IMAGE ANALYSIS
Title (de)
VERFAHREN UND EINRICHTUNG ZUM ERKENNUNG VON FASERN AUF DER GRUNDLAGE VON BILDANALYSE
Title (fr)
PROCEDE ET DISPOSITIF DE DETECTION DE FEUX BASE SUR L'ANALYSE D'IMAGES
Publication
Application
Priority
- CH 0200118 W 20020226
- CH 3402001 A 20010226
Abstract (en)
[origin: US6937743B2] Method for automatically detecting fires, based on flame and/or smoke recognition by analyzing a sequence of images. The analysis is based on several image processing algorithms. One algorithm consists in comparing the frequency content of at least an image of said sequence with the frequency content of a reference image so as to detect an attenuation of high frequencies independently of variations on other portions of the spectrum.
IPC 1-7
IPC 8 full level
G08B 13/194 (2006.01); G08B 17/12 (2006.01)
CPC (source: EP US)
G08B 13/19602 (2013.01 - EP US); G08B 17/125 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02069292 A1 20020906; WO 02069292 A8 20031113; AT E298912 T1 20050715; EP 1364351 A1 20031126; EP 1364351 B1 20050629; EP 1364351 B8 20051012; EP 1364351 B8 20060503; ES 2243699 T3 20051201; US 2004175040 A1 20040909; US 6937743 B2 20050830
DOCDB simple family (application)
CH 0200118 W 20020226; AT 02711747 T 20020226; EP 02711747 A 20020226; ES 02711747 T 20020226; US 64710903 A 20030825