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To the problem of the existing multi-scale edge detection methods couldn't tackle de-noising and edge detail preservation of images, the article proposed a multi-scale edge detection algorithm which took soft threshold method to implement detail enhancement and noise reduction of the true color image. Firstly, obtaining the true color images at different scales through wavelet multi-scale edge detection...
To improve the effect of the content-based songs retrieval system, this paper proposes a audio denoising algorithm based on adaptive wavelet soft-threshold which on the basis of the gain factor of linear filter system in the wavelet domain and the wavelet coefficients teager energy operator (AWSTD_GF&TEO). The algorithm integrates the gain factor of linear filter system and nonlinear energy operator...
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