Method for Removing Salt and Pepper Noise in Ultra-high Density Images
An ultra-high-density, salt-and-pepper noise technology, applied in the field of image processing, can solve the problems of unsatisfactory denoising effect, failure, and high computational complexity
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[0104] The core of the present invention is to integrate switching filtering, clipping filtering, recursive filtering, adaptive filtering and iterative filtering, etc., and proposes an image with ultra-high density (noise density is 0.9-0.99) salt and pepper noise, which can effectively suppress ultra-high Density noise, and a fast-running method for reducing salt and pepper noise in images with ultra-high density.
[0105] Below in conjunction with accompanying drawing, content of the present invention will be further described:
[0106] A method for reducing salt and pepper noise in images with ultra-high density, such as Figure 1-4 shown, including the following steps:
[0107] Step 1) The input size is m x n , the gray scale ranges from 0 to L Noisy image between I ,in L Take 255 when the image data type is uint8;
[0108] Step 2) Use the maximum value and minimum value method to judge the noise, and generate a noise 0-1 binary mapping matrix N I , that is, when ...
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