Forest fire studies by medium infrared and thermal infrared thermography

Jose Manuel Aranda; Juan Melendez; Antonio J. de Castro; Fernando Lopez

doi:10.1117/12.420987

23 March 2001 Forest fire studies by medium infrared and thermal infrared thermography

Jose Manuel Aranda, Juan Melendez, Antonio J. de Castro, Fernando Lopez

Proceedings Volume 4360, Thermosense XXIII; (2001) https://doi.org/10.1117/12.420987
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

The new generation of dedicated satellites for remote sensing of forest fires now in advanced development demands validation measurements from airborne platforms. A digital image acquisition system in the medium infrared (MIR) and thermal infrared (TIR) bands has been set up specifically for imaging of fires. The system provides simultaneous, co- registered and radiometrically calibrated MIR and TIR images. This makes it possible to use image processing techniques based on pixel-by-pixel comparison of MIR and TIR brightness temperatures. Analysis of a laboratory flame and a wood bonfire shows that the MIR-TIR scatterplot can be used to classify the scene into different fire regions (cold background, hot nonflaming soil, hot flaming soil and pure flame). This technique has been applied also to observations of forest fires realized from a helicopter at distance of more than 1 Km, revealing that several fire regions can be demarcated, including a fire front in which flame emission makes a large contribution.

Citation Download Citation

Jose Manuel Aranda, Juan Melendez, Antonio J. de Castro, and Fernando Lopez "Forest fire studies by medium infrared and thermal infrared thermography", Proc. SPIE 4360, Thermosense XXIII, (23 March 2001); https://doi.org/10.1117/12.420987

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