ERRORW
the frobenious error of (F*wF - Id), here F is the operator PPFT.
Contents
Description
ERR = ERRORW(IMG,R,BASISCHOICE) return the frobenious norm of the
operator (F^*wF-Id) applying to an image I, i.e.,
err = ||(F^*wF-Id)I||^2/||I||^2Examples
img = imread('barbara.gif');
R = 2; Choice = 1;
err = errorW(img,R,Choice)
err =
0.0226
See also
CONDW, ERRORW_RANDOM, LOADW, SAVEW, FINDWEIGHTW, WEIGHTGENERATE, PPFT, ADJPPFT, BASISFUNCTION.
Copyright
Copyright (C) 2011. Xiaosheng Zhuang, University of Osnabrueck