SAR image noise suppression method based on direction wave domain mixture Gaussian model
A mixture of Gaussian model and image noise technology, applied in the field of image processing, can solve problems such as difficulty in coefficients
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[0028] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0029] Step 1: Decompose the cartoon texture model on the SAR image, select the optimal number of iterations, and obtain the cartoon part and the texture part of the SAR image. The mathematical expression of the cartoon texture model is:
[0030] f(x,y)=u(x,y)+v(x,y)
[0031] where u∈BV(R 2 ), consisting of sliced smooth areas and clear edges, is regarded as the cartoon part of the SAR image, and v is the remaining texture and noise, called the texture part. When v∈G, G is a defined Banach space, the model is obtained:
[0032] inf u ∈ BV { E ( u ) = ∫ | ▿ u | + λ | | v | ...
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