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|Title:||The use of selected pseudo-invariant targets for the application of atmospheric correction in multi-temporal studies using satellite remotely sensed imagery||Authors:||Retalis, Adrianos
Clayton, Chris R I
Hadjimitsis, Diofantos G.
|Keywords:||Remote sensing;Reflectance;Light target;Dark target;Atmospheric correction; Pseudo-invariant targets; Empirical line method||Category:||Civil Engineering||Field:||Engineering & Technology||Issue Date:||2009||Publisher:||Elsevier B.V.||Source:||International Journal of Applied Earth Observation and Geoinformation, Vol. 11, no. 3, 2009, pp.192-200||Abstract:||Because atmospheric effects can have a significant impact on the data obtained from multi-spectral satellite remote sensing, it is frequently necessary to make corrections before any other image processing can be started. This paper describes a robust and relatively simple atmospheric correction method that uses pseudo-invariant targets (PITs) in conjunction with the empirical line method. The method is based on the selection of a number of suitable generic PITs, on the basis that they are large, distinctive in shape, and occur in many geographical areas. Whereas the multi-temporal normalization method corrects all images to a selected reference image, in this method images are simultaneously corrected using targets with a range of estimated surface reflectance values. The paper describes some applications of the method for a range of environmental studies involving water quality and air pollution monitoring, and mapping land-cover changes.||URI:||http://ktisis.cut.ac.cy/handle/10488/312||ISSN:||0303-2434||DOI:||http://dx.doi.org/10.1016/j.jag.2009.01.005||Rights:||© 2009 Elsevier B.V.||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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