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Visible light image and infrared image fusion method based on Laplace pyramid

An infrared image, fusion method technology, applied in the field of image processing, can solve problems such as multi-noise, lack of structure and edge information, etc.

Pending Publication Date: 2021-01-05
NANJING XIAOZHUANG UNIV
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  • Claims
  • Application Information

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Problems solved by technology

But despite this, in the fusion results of visible light images and infrared images, there are still more noises, as well as the lack of structure and edge information.

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  • Visible light image and infrared image fusion method based on Laplace pyramid
  • Visible light image and infrared image fusion method based on Laplace pyramid
  • Visible light image and infrared image fusion method based on Laplace pyramid

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Embodiment Construction

[0072] The present invention will be further described below through specific embodiments.

[0073] As used in this disclosure, "first," "second," and similar terms do not denote any order, quantity, or importance, but are merely used to distinguish the various components. Likewise, words like "comprising" or "comprising" mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0074] Flow diagrams are used in this disclosure to illustrate the steps of methods according to embodiments of the present disclosure. It should be understood that the preceding or following steps are not necessarily performed in exact order. Rather, the various steps may be processed in reverse order or concurrently...

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Abstract

The invention provides a visible light image and infrared image fusion method based on a Laplace pyramid. The method comprises the steps: firstly carrying out the preprocessing and Laplace sharpeningof a visible light image and an infrared image, obtaining corresponding focusing sharpened images, solving the information entropy of the obtained focusing sharpened images, and carrying out the primary fusion; performing Laplace decomposition, performing cross entropy calculation on the low-frequency domain image, determining a weighted fusion coefficient of the low-frequency domain image, obtaining a fused image of the low-frequency domain, calculating a pixel value, taking the image with a relatively large pixel absolute value as a pixel value of the corresponding fused layer image at a corresponding point, and performing Laplace inverse transformation to obtain a reconstructed fused image; finally, carrying out morphological gradient processing, and secondary fusion is carried out, andobtaining a final fusion result image. According to the visible light image and infrared image fusion method provided by the invention, a fusion result contains less noise, and more structural information and edge information of a source image are reserved.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a visible light image and infrared image fusion method based on Laplacian pyramid. Background technique [0002] Infrared and visible light image fusion is a frequently occurring need-application in image fusion, and the fusion method of this work is widely used in many applications. These algorithms combine salient features to synthesize source images into a single image. Fusing images This method is used in a variety of computer vision tasks. [0003] For decades, signal processing algorithms have been the most prominent feature extraction tools in image fusion tasks. The fusion method based on two-scale decomposition and saliency detection is proposed. The base layer and the detail layer are extracted by the mean filter and the median filter, respectively. The visually salient features are used to obtain the weight map, and then the images are re-fused. Build by combining th...

Claims

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Application Information

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IPC IPC(8): G06T5/50G06T5/30
CPCG06T5/50G06T5/30G06T2207/10048
Inventor 仇飞陈勐勐
Owner NANJING XIAOZHUANG UNIV
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