Infrared and visible light image merging method

An infrared image and image fusion technology, applied in the field of infrared and visible light image fusion, can solve the problem of no different information fusion operations, and achieve the effect of enhancing edge and detail information, improving image quality, and reducing impact.

Inactive Publication Date: 2004-11-10
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

There is no targeted fusion operation for the dif

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  • Infrared and visible light image merging method
  • Infrared and visible light image merging method
  • Infrared and visible light image merging method

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[0020] In order to better understand the technical solutions of the present invention, the embodiments of the present invention are further described below with reference to the accompanying drawings.

[0021] The method flow of the present invention is as follows figure 1 First, wavelet transform is performed on the infrared image and the visible light image respectively to obtain multiple wavelet coefficient representations with different resolutions. The background information is richer, and the target information in the infrared image is richer) to guide the fusion decision to obtain the wavelet coefficient representation of the fusion of different resolutions. Finally, inverse wavelet transform is performed on the fused wavelet coefficients to obtain the fused image.

[0022] The fusion decision process of the present invention is as follows figure 2 As shown in the figure, on the basis of the area segmentation of the infrared image, after the target area is determined...

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Abstract

The invention relates to an infrared- and visible light- image fusion method, on the basis of multiresolution decomposition for the infrared- and visible light- images, utilizing their different imaging properties to obtain the relative 'object'- and 'background'- data from them, and thus dividing the fusion image into a background area, an object area and an edge part between the two areas, and then respectively adopting three different fusion rules to determine the multiresoluton expression of the fusion image, and finally making multiresolution reverse-transformation to obtain the fusion image. By an object area-based method, it fuses the infrared- and visible light- images of the same scene, and largely improves the image quality all the more.

Description

Technical field: [0001] The invention relates to an image fusion method based on a target area, which is used to fuse infrared and visible light images of the same scene, and can be widely used in optical imaging, target monitoring, security inspection and other systems. Background technique: [0002] Image fusion technology is the fusion of visual information in multi-sensor information fusion. It uses different imaging methods of various imaging sensors to provide complementary information for different images, increase the amount of image information, reduce the amount of original image data, and improve adaptability to the environment. In order to obtain more reliable and accurate useful information for observation or further processing. Image fusion technology is an emerging technology that integrates sensors, signal processing, image processing and artificial intelligence. In recent years, it has become a very important and useful image analysis and computer vision tec...

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Application Information

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IPC IPC(8): G06T5/50
Inventor 敬忠良王宏李建勋
Owner SHANGHAI JIAO TONG UNIV
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