In: Wagner W., Szekely, B. (eds.): ISPRS TC VII Symposium - 100 Years ISPRS, Vienna, Austria, July 5-7, 2010, IAPRS, Vol. XXXVIII, Part 7B 
209 
wavelet is the best method in retaining spectral property of the 
original image among the five used methods at the cost of low 
spatial information, Therefore are suited for digital 
classification purposes. 
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