An image denoising method based on multiscale wavelet thresholding and bilateral filtering |
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Authors: | Wenxuan Shi Jie Li Minyuan Wu |
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Institution: | SHI Wenxuan,LI Jie,WU Minyuan School of Electronic Information,Wuhan University,Wuhan430072,Hubei,China |
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Abstract: | A novel image denoising method is proposed based on multiscale wavelet thresholding (WT) and bilateral filtering (BF). First, the image is decomposed into multiscale subbands by wavelet transform. Then, from the top scale to the bottom scale, we apply BF to the approximation subbands and WT to the detail subbands. The filtered subbands are reconstructed back to approximation subbands of the lower scale. Finally, subbands are reconstructed in all the scales, and in this way the denoised image is formed. Diff... |
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Keywords: | wavelet thresholding bilateral filtering multiscale image denoising |
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