An image fusion method, system and device

An image fusion and image technology, which is applied in the field of image processing, can solve the problems of affecting the fusion image effect, algorithm complexity, and large amount of calculation, etc., and achieve the effect of reducing halo phenomenon, reducing halo phenomenon, and fewer pyramid layers

Active Publication Date: 2022-07-22
合肥君正科技有限公司
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Problems solved by technology

[0004] However, the defects of the pyramidal image fusion method are as follows: First, when using the pyramidal image fusion method, the number of layers that needs to be decomposed generally needs to be more than 5 layers to achieve a good fusion effect, which makes the complexity and calculation amount of the algorithm relatively high. Big
The second is that since the weight map is constructed according to the weight factor, the relationship between light and dark in the source image will be reversed after the fusion process, and the halo phenomenon will appear in the obviously dark area on the edge of the bright area, which will seriously affect Fusion Image Effects

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  • An image fusion method, system and device
  • An image fusion method, system and device

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[0060] To further illustrate the features of the present invention, please refer to the following detailed description and accompanying drawings of the present invention. The attached drawings are for reference and description only, and are not intended to limit the protection scope of the present invention.

[0061] like figure 1 As shown, this embodiment discloses an image fusion method, which includes the following steps:

[0062] S101. Perform smooth filtering processing on the N source images respectively to obtain base layer images corresponding to the N source images;

[0063] Further, a linear smoothing filter h is selected m For N source images S k Perform smoothing filtering processing, 1≤k≤N, the smoothing filtering processing formula is: B ij,k =h m *S ij,k , where * represents convolution, h m is the filter template of the m-order square matrix, S ij,k is the gray value of the pixel at position (i, j) in the kth source image, B ij,k is the value obtained ...

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Abstract

The invention discloses an image fusion method, system and device, belonging to the technical field of image processing, comprising: performing smooth filtering processing on N source images respectively to obtain base layer images corresponding to the N source images; Make the difference with the corresponding base layer images respectively to obtain the corresponding detail layer images; build the weight maps corresponding to the N base layer images according to the N base layer images respectively; Perform pyramid decomposition and weighted average to obtain the fusion result of each base layer image after decomposition; reconstruct the fusion result of each base layer image after decomposition to obtain the fusion map of N source images. The present invention can reduce the complexity of the algorithm while ensuring that the image obtained by fusion does not appear halo phenomenon.

Description

technical field [0001] The present invention relates to the technical field of image processing, and in particular, to an image fusion method, system and device. Background technique [0002] Image fusion is a technology that fuses two or more images of the same scene from the same or different types of sensors to obtain a composite image. [0003] At present, pyramid is one of the most widely used image fusion methods. The process of using pyramid decomposition to fuse images is as follows: first, a weight map is established according to three weight factors such as contrast factor, saturation factor and exposure factor; Multi-frame source images and weight maps are decomposed into pyramids, and the decomposed images are weighted and averaged; finally, the fused pyramid images are reconstructed. [0004] However, the defects of the pyramid image fusion method are: First, when the pyramid image fusion method is used, it is generally necessary to decompose more than 5 layers...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/50G06T5/00
CPCG06T5/002G06T5/50G06T2207/20016
Inventor 翟全
Owner 合肥君正科技有限公司
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