Real Time Fire Front Monitoring Through Smoke
With Bi-spectral Infrared Imaging
Author(s)
J. M. Aranda, J. Meléndez, L. Chávarri & F. López
Abstract
Infrared (IR) imaging is a standard technique in forest fire detection. In previous
works we have shown that it can be used to classify the fire scene into regions
(of embers, flame, fire front, etc). However, this requires multi-spectral images
and a complex post-processing. In this paper we show that a less precise but still
powerful classification of fire scenes, for distances in the range of hundreds of
meters, can be done with a much simpler procedure. A fire index is obtained
from bi-spectral images in the medium IR with an extremely simple processing
that can be performed in real time. This makes it possible to aid the decision
makers in forest fighting, by locating the fire front and the places of fire
re-ignitions, and by indicating flame heights. Images of a prescribed forest fire
obtained in a field campaign have been analyzed to define and validate
experimentally the fire index. Comparison with the results of classification by
post-processing of multi-spectral images shows a good degree of agreement,
demonstrating the effectiveness of the fire-index approach.
Keywords: infrared, bi-spectral, forest fires, monitoring.
1 Introduction
Infrared (IR) sensors are already commonplace in forest fire related applications
[1]. Satellites have become standard for fire danger estimation, mapping of
burned areas and follow-up of after-fire recovery, and ground-based platforms
are used in many places to provide early fire detection. However, the
potentialities of IR for fire monitoring and characterization have not been fully
Keywords
infrared, bi-spectral, forest fires, monitoring
Related Book
Other papers in this volume
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