File list (Check if you may need any files):
Matlab Code for Image Representation\basis_fun_dct.m
....................................\basis_fun_dwt.m
....................................\cosine_1D.m
....................................\cosine_2D.m
....................................\DCT_DFT_DWT_impluse.m
....................................\filter97_2D.m
....................................\fourier_2D.m
....................................\fourior_1D.m
....................................\haar_2D.m
....................................\hadamard_2D.m
....................................\HySp_read.m
....................................\img.txt
....................................\lena.bmp
....................................\lena_read.m
....................................\PCA_analysis.m
....................................\PCA_analysis1.m
....................................\PCA_analysis2.m
....................................\pfilters.m
....................................\wfb2dec.m
....................................\wfb2rec.m
Matlab Code for Image Representation