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The diagonalization of the translation matrix is crucial in reducing the solution time in the fast multipole method. The translation matrix can be related to the matrix representation of the translation operators in the translation group in group theory. Therefore, these matrices can be diagonalized with a proper choice of basis representation. Here, a(More)
In this study, we propose a method based on wavelet domain E-median filter (WDEMF) for the image enhancement. The method is performed by transforming corrupted image into wavelet domain and filtering the image by e-median filter iteratively. One problem of standard median filter is that it tends to alter pixels undisturbed by noise. To overcome this(More)
In this study, we propose a method based on wavelet domain median filter (WDMF) for the image enhancement. The method is performed by transforming corruted image into wavelet domain and filtering the image by median filter iteratively. Spatial domain median filter is used iteratively to remove noise from the image. But in this case, encountering root image(More)
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