i get an error. ,whats wrong in DWT? how LoD and HiD works in DWT ?

1 view (last 30 days)
X=imread('camera man.png');
imagesc(X)
colormap gray
[LoD,HiD] = wfilters('haar','d');
[cA,cH,cV,cD] = dwt2(X,LoD,HiD);
subplot(2,2,1)
imagesc(cA)
colormap gray
title('Approximation')
subplot(2,2,2)
imagesc(cH)
colormap gray
title('Horizontal')
subplot(2,2,3)
imagesc(cV)
colormap gray
title('Vertical')
subplot(2,2,4)
imagesc(cD)
colormap gray
title('Diagonal')
S = idwt2(cA,cH,cV,cD,LoD,HiD);
K = mat2gray(S);

Answers (0)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!