Secondary image fusion method combined with compressed sensing
A fusion method and secondary image technology, applied in the field of image processing, can solve the problems of high transmission pressure, large amount of fusion image data, large storage space, etc., to reduce the amount of data, reduce computational complexity, and save storage space. Effect
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[0017] combine figure 1 , according to one aspect of the present invention, the specific implementation steps of the present invention are as follows:
[0018] Step 1. Source image T 1 , T 2 The pixel value at each point is approximated by the least squares method, ie min||Ax-b||, to obtain the approximate image B 1 , B 2 ,which is:
[0019] Where M and N are the height and width of the image respectively;
[0020] Step 2, the source image T 1 , T 2 with approximation image B 1 , B 2 Perform a difference operation on the pixel value to obtain a difference image C 1 、C 2 ,which is:
[0021]
[0022] Step 3. Approximate image B 1 , B 2 and difference image C 1 、C 2 The value of the element in the corresponding position of the matrix adopts the fusion rule of taking the largest absolute value to obtain the images B and C after the first fusion. The specific steps are as follows:
[0023] 1) Approximate the image B in the space domain 1 , B 2 , difference im...
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