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Performance Study of Several Methods and Selected Wavelets for Image Compression

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Figure

Fig 3(a): Overview of Fouriertransform
Fig 4: DiscreteCosine Transform P.S.N.R=1.489, M.S.E=1.534e+004, CR=0.04%
Fig 5: Wavelet Transform P.S.N.R=3.477, M.S.E=2.92e+004, CR=0.04%
Table 2. Wavelet 2-D image data

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