Share Email Print

Journal of Applied Remote Sensing • Open Access

Simulated annealing approach to temperature–emissivity separation in thermal remote sensing
Author(s): John A. Morgan

Paper Abstract

The method of simulated annealing is adapted to the temperature–emissivity separation problem. A patch of surface at the bottom of the atmosphere is assumed to be a graybody emitter with spectral emissivity ε(k) describable by a mixture of spectral endmembers. We prove that a simulated annealing search conducted according to a suitable schedule converges to a solution maximizing the a-posteriori probability that spectral radiance detected at the top of the atmosphere originates from a patch with stipulated T and ε(k). Any such solution will be nonunique. The average of a large number of simulated annealing solutions, however, converges almost surely to a unique maximum a-posteriori (MAP) solution for T and ε(k).

Paper Details

Date Published: 10 November 2016
PDF: 8 pages
J. Appl. Rem. Sens. 10(4) 040501 doi: 10.1117/1.JRS.10.040501
Published in: Journal of Applied Remote Sensing Volume 10, Issue 4
Show Author Affiliations
John A. Morgan, The Aerospace Corporation (United States)

© SPIE. Terms of Use
Back to Top