Image denoising method integrated with structure tensor and non-local total variation
A structure tensor, non-local technology, applied in the field of image processing, can solve the problem of not taking into account the image structure information, easily blurred image details, etc.
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[0054] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0055] figure 1 It is a schematic flow chart of the method of the present invention. As shown in the figure, the method includes the following steps: 1) performing N*N block on the noisy image f, and the value of N can be N=3,5,7. .., is an odd number of 3-2M+1 (M is a natural number) in the present embodiment; 2) image denoising is modeled, and an objective function of fusion structure tensor and non-local total variation is set up; 3) utilize The split Bregman algorithm is used to solve the objective function to obtain the denoised image.
[0056] In the present embodiment, the detailed steps of setting up the objective function in step 2) are:
[0057] 21) Establish an image denoising model based on full variational regularization
[0058]
[0059] Where f is a noisy image, and u is a denoised image to be restored. The purpose of i...
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