Exercise programs on wavelet transform, wavelet transform steps: 1. wavelet w (t), and the original function f (t) of the beginning of comparison, calculation of the coefficient C. Coefficient C indicates the degree of similarity that part of the function and wavelets. 2. Wavelet k units to the right, to give the wavelet w (tk), repeat 1. Repeat this section to know the end of the function f. 3. Extend the wavelet w (t), to obtain the wavelet w (t/2), repeat steps 1, 2, 4. expanding wavelet, repeat 1,2,3. As used herein, haar wavelet , zoom function is [11], the wavelet function is [1-1].

wavelet\haar_dwt.m
.......\haar_dwt2D.m
.......\lena.jpg
.......\main.m
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wavelet

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