Use C, C++ or MATLAB to carry out a photo on the DCT and the DFT transform, and a brief analysis. Comparison of retention of 20 DCT transform coefficients of image reconstruction with the difference between the original image

mine
....\cameraman.tif
....\color.asv
....\color.m
....\DCT.m

....\example.m
....\FFT.m
....\first_1.asv
....\first_1.m
....\first_11.m
....\first_2.asv
....\first_2.m
....\first_3.m


....\maximum.m


....\untitled.fig
....\wallpaper.tif

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