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Assessment of different topographic corrections in Landsat-TM data for mapping vegetation types (2003)

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4 Author(s)
D. Riano ; Dept. of Geogr., Univ. of Alcala, Madrid, Spain ; E. Chuvieco ; J. Salas ; I. Aguado

Different methods for topographic correction of Landsat Thematic Mapper images have been assessed in the context of mapping vegetation types. The best results were obtained with a variation of the C method, which takes into account the overcorrection of low illuminated slopes by the original C method. The performance of this method was tested using two criteria: the changes in the spectral characteristics of the image and the reduction in standard deviation of each vegetation type after the correction.

Published in:

IEEE Transactions on Geoscience and Remote Sensing  (Volume:41 ,  Issue: 5 )