exportPattern("^[[:alpha:]]+")
import(methods)
import(png)
import(raster)
importFrom(wavethresh,wd,accessC.wd,accessD.wd,conbar,filter.select)
importFrom(gsignal,ifft,dst,idst,dct,idct,fht,ifht,fwht,ifwht)
importFrom(Matrix,rankMatrix)
importFrom(matrixcalc,lu.decomposition)
importFrom(stats,fft,rnorm)


