Image Brightness Correction Method Based on Nanoparticle SEM Image Brightness Extraction
A nanoparticle and image brightness technology, which is applied in image enhancement, image data processing, instruments, etc., can solve the problems of uneven brightness of nanoparticle SEM image and inability to interpolate the boundary part of nanoparticle SEM image
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[0178] The first step is to divide the nanoparticle SEM image with uneven brightness into M′N blocks:
[0179] Nanoparticle SEM images are denoted by P,
[0180] Divide the nanoparticle SEM image with uneven brightness into vertical M=4 equal parts and horizontal N=6 equal parts, a total of 4′6 blocks, except for the borders of adjacent blocks, there is no difference between blocks and blocks. overlapping, in each block,
[0181] There are m=100 pixels in the vertical direction and n=100 pixels in the horizontal direction, corresponding to the vertical 4'100 pixels and the horizontal 6'100 pixels of the entire nanoparticle SEM image P, the actual distance corresponding to the pixels is used to calculate the nanoparticle SEM image P and The actual size of each block, the number of pixels to be covered in a single block area is ≥ 10 nanoparticles, and the vertical and horizontal SEM images of nanoparticles with uneven brightness contain at least 3 block areas, each block The h...
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