Transform Coding Examples Fourier Error DCT coefficients RMS Error =1.28 Hadamard Original image 512x512 pixels Subimage size: 8x8 pixels=64 pixels RMS Error =0.86 Quatization by truncating DCT 50%of coefficients (only 32 max cofficients are kept.) RMS Error=0.68Transform Coding Examples Original image 512x512 pixels Fourier Hadamard DCT Error Subimage size: 8x8 pixels = 64 pixels Quatization by truncating 50% of coefficients (only 32 max cofficients are kept.) RMS Error = 1.28 RMS Error = 0.86 RMS Error = 0.68