SHXSORT
sorting shearlet coefficients
Contents
Description
SORTCOEFF = SHXSORT(SHX,N,R,BETA,MODE) sorting shearlet coefficients in absolute value in descending order. INPUT
ShX - shearlet coefficeints
N - size of original image
R - oversampling rate, default R = 2;
beta - scaling factor, default beta = 4;
mode - ascend or descend
OUTPUT
SortCoeff - sorted shearlet coefficient of X.
Index - index from sort
Examples
tic;
img = imread('barbara.gif');
img = double(img);
N = 512; R = 2; beta = 4;
W = generateW(N,R,1);
shX = ShearletTransform(img,R,beta,W,0);
sortShX = ShXSort(shX,N,R,beta,'descend');
toc;See also
SHEARLETTRANSFORM, ADJSHEARLETTRANSFORM, INVSHEARLETTRANSFORM, DENOISEDEMO SHXTHRES
Copyright
Copyright (C) 2011. Xiaosheng Zhuang, University of Osnabrueck