how to converter negative integers to postive and then get back to negative
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rgb_image =(imread('baboon.tiff','tiff'));
LS = liftwave('cdf2.2','Int2Int');
[CA,CH,CV,CD] = lwt2(double(rgb_image),LS);
in CA,CH,CV,CD am getting negtive integers i want to convert negative to positive integers
then again positive to negative as original CA,CH,CV,CD and get back the baboon image
- i thought of doing one's compliment but unable to itcan any help help
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KSSV
2018-9-27
K = [-2 2 ; 2 -4] ;
% negative to positive
idx = K<0 ;
K(idx) = -K(idx) ;
% Agin to negative
K(idx) = -K(idx) ;
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