Improved wavelet transform and convolutional neural network image denoising method
A convolutional neural network and wavelet transform technology, which is applied in the field of image denoising, can solve the problems of singleness of noise removal and reduction of available information in images, and achieve the effect of reducing high-density noise and reducing noise.
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0030] refer to Figure 1 ~ Figure 3 , an image denoising method based on the combination of wavelet transform and convolutional neural network. In order to improve the fitting ability of the image denoising network and accelerate the convergence of the network, first input the image containing noise, and obtain the image containing noise through stationary wavelet transform The wavelet coefficients of the deep convolutional neural network are obtained, and then the convolution layer is used to extract the image features of the input image, and the sample training and learning are performed to find the nonlinear mapping relationship between the noise image and the noise-free image wavelet coefficient, and then Perform image feature reconstruction, ...
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