Infrared and weak visible image fusion method based on Cauchy ambiguity function
An infrared image and blur function technology, applied in the field of image processing, can solve the problems of low contrast of fusion images, poor visibility of visible light images, insufficient retention of background details, etc., to achieve outstanding detail information, improve visibility, and good fusion effect. Effect
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[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific examples and with reference to the accompanying drawings.
[0048] see figure 1 , an infrared and weak visible light image fusion method based on the Cauchy ambiguity function, the specific implementation steps are as follows:
[0049] Step 1) Enhancement of weak visible light images. Specifically include the following steps:
[0050] Step 1.1) Utilize guided filtering GF r,ε (1) Decompose the weak visible light image I to obtain the base layer of the image and detail layer
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[0053] r is the size of the filter, ε is the degree of edge preservation; log( ) is the natural logarithmic operator, in order to prevent the log value from being negative, ξ≥1.
[0054] Step 1.2) Since the extracted base layer of the image has a high dynamic range, the dynamic rang...
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