A multi-scale Shearlet domain image fusion processing method based on block decomposition
An image fusion and processing method technology, applied in the field of image processing, can solve problems such as insufficient multi-directional resolution, unfavorable image fusion, block effect, etc., to avoid block effect and blur phenomenon, meet application requirements, and protect detailed information. Effect
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[0033] The present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments.
[0034] The invention discloses a multi-scale Shearlet domain image fusion processing method based on block decomposition, please refer to figure 1 , which includes the following steps:
[0035] In step S1, the two images to be fused are respectively subjected to Shearlet forward transformation to obtain Shearlet coefficients of different scales and directions;
[0036] Step S2, decomposing the Shearlet coefficients of different scales and directions into multiple sub-blocks;
[0037] Step S3, using the local variance algorithm to fuse the low-scale Shearlet coefficients;
[0038] Step S4, using the local energy maximum algorithm to fuse the high-scale Shearlet coefficients;
[0039] In step S5, inverse Shearlet transformation is performed on the fused Shearlet coefficients to obtain a fused image.
[0040] In the above method, the Shearlet co...
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