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- W2044788194 abstract "A novel mutiscale and directionally adaptive image transform called contour based directionlet tansform is presented. Directionlet transform (DT) has shown its charming performance in image processing, but it has scrambled frequencies. Laplacian Pyramid is employed here to separate the low frequencies before applying DT for avoiding the drawback. And an adaptive threshold algorithm is proposed for denoising. Numerical experiments are performed to assess the applicability of the proposed method. The obtained results show that the proposed scheme outperforms Wavelet and Directionlet transforms in terms of numerical and perceptual quality." @default.
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- W2044788194 date "2014-02-01" @default.
- W2044788194 modified "2023-09-22" @default.
- W2044788194 title "Image Denoising with Contour-Based Directionlet Transform" @default.
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- W2044788194 doi "https://doi.org/10.4028/www.scientific.net/amm.513-517.3607" @default.
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