Rapid image fusion algorithm based on pixel level

An image fusion algorithm and pixel-level technology, applied in the field of fast image fusion algorithms, can solve the problems of low resolution, insufficient color, low contrast, etc., and achieve the effect of simple principle, good promotion and use value, and high resolution

Active Publication Date: 2018-04-13
HUAZHONG PHOTOELECTRIC TECH INST (CHINA SHIPBUILDING IND CORP THE NO 717 INST) +1
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Problems solved by technology

[0003] The visible light spectrum is rich in information, and can reflect the details of the scene under a certain illumination, but the contrast is low when the illumination is insufficient; the infrared image is a t

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  • Rapid image fusion algorithm based on pixel level
  • Rapid image fusion algorithm based on pixel level
  • Rapid image fusion algorithm based on pixel level

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Embodiment Construction

[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0044] refer to Figure 1 to Figure 5 As shown, the present invention discloses a fast fusion algorithm of visible light and infrared images performed at the pixel level.

[0045] In order to reduce the impact of light and other factors at the moment of image acquisition, the contrast enhancement operation is first performed on the image to be fused to improve the contrast between the target and the background;

[0046] Since there is a difference between the visible light image and the infrared image in reflecting the characteristics of the target, there is a certain information complementary relationship between the two. In order to better take into account the characteristics of the two and retain the information of the two to the maximum extent, an adaptive fusion method is adopted. The weight determination method determines the weight distribution ratio ...

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Abstract

The invention discloses a rapid image fusion algorithm based on the pixel level. The method comprises steps that firstly, color space transformation of a visible light image is carried out, and the visible light image is transformed from the RGB space to the YUV space; secondly, adaptive weights of the visible light image and an infrared image are acquired respectively; thirdly, the weighted meanmethod is utilized to process the fusion process of the visible light image and the infrared image; fourthly, the fusion result is optimized and adjusted; and lastly, color space transformation of thevisible light image is carried out, the image is transformed from the YUV color space to the RGB space, and the whole image fusion process is completed. The method is advantaged in that the visible light image and the infrared image can be fused on the pixel level, the abundant spectrum information and the high resolution of the visible light image and the unique heat radiation characteristic ofthe infrared image are fully integrated, and maximized image information fusion is realized.

Description

technical field [0001] The invention belongs to an optical image processing algorithm, in particular to a pixel-level fast image fusion algorithm applied to an airborne photoelectric pod. Background technique [0002] Image fusion, as an effective technology for comprehensively processing multi-sensor image data, has been widely used, especially in the fields of visible light and infrared sensors, and its application range has spread to military, security monitoring and other fields. [0003] The visible light spectrum is rich in information, and can reflect the details of the scene under a certain illumination, but the contrast is low when the illumination is insufficient; the infrared image is a thermal radiation image, and the gray value of the target is determined by the temperature difference between itself and the background. Can find the target, but the resolution is not high, the color is not rich enough. There are deficiencies in using visible light or infrared ima...

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Application Information

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IPC IPC(8): G06T5/50
CPCG06T5/50G06T2207/10048G06T2207/20221
Inventor 谭仁龙张奇婕艾宏山董力文
Owner HUAZHONG PHOTOELECTRIC TECH INST (CHINA SHIPBUILDING IND CORP THE NO 717 INST)
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