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PERFORMANCE ESTIMATION TOOLS FOR: DECOUPLING BY FILTERING OF TEMPERATURE AND EMISSIVITY (DEFILTE), AN ALGORITHM FOR THERMAL HYPERSPECTRAL IMAGE PROCESSING

PIERRE LAHAIE

DRDC-Valcartier, 2459 Pie-XI Blvd. North Quebec, Quebec, Canada G3J 1X5, Canada

https://doi.org/10.1142/S0129156408005667Cited by:4 (Source: Crossref)

Abstract

The construction of very good hyperspectral sensors operating in the thermal infrared bands from 8 to 12 microns arouses much interest for the development of data exploitation tools. Temperature emissivity separation (TES) algorithms are very important components of a future toolbox, because they make it possible to extract these two fundamental targets’ parameters. The emissivity relies on the nature of the target's surface materials, while the temperature gives information related to their use and relationship with the environment. The TES technique presented in this paper is based on iteration on temperature principle, where a total square error criterion is used to estimate the temperature. The complete procedure is described in the paper. Its sensitivity to noise is studied and a mathematical behavior model is provided. The model is validated through a Monte-Carlo simulation of the technique's operation.

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