Denoising method for image with mixed noises
A technology of mixing noise and image, applied in the field of image processing, can solve the problem of poor denoising ability of Gaussian noise, and achieve the effect of removing mixed noise and good effect of image
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[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0031] The invention provides a mixed noise image denoising method, which can better realize the Gaussian white noise denoising on the image.
[0032] The invention uses wavelet packet analysis, which overcomes the shortcoming of low frequency resolution in the high frequency part in the wavelet analysis, can perform orthogonal decomposition on the signal in the whole frequency band, and has stronger self-adaptation in characterizing t...
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