I am getting the error Missing variable or function when I am trying to implement a code on 2 dimensional DWT on images in MATLAB 7. The code is given below.
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Debarpita Chaudhuri
on 8 Mar 2016
Edited: Debarpita Chaudhuri
on 16 Mar 2016
f = imread('Region_of_interest.bmp');
imshow(f)
wname = 'sym4';
[CA,CH,CV,CD] = dwt2(X,wname,'mode','per');
subplot(211)
imagesc(CV); title('Vertical Detail Image');
subplot(212)
imagesc(CA); title('Lowpass Approximation');
Sir, kindly help me.
thanks and regards
Debarpita Chaudhuri.
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Accepted Answer
Walter Roberson
on 8 Mar 2016
dwt2() is part of the Wavelet toolbox. You would need to have that installed and licensed.
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