Method and system for infrared and low-level-light/visible-light fusion imaging

A visible light and low-light image technology, applied in the field of image processing, can solve the problems of ineffective processing of images, no specific standard for selection of fusion coefficients, unnatural colors of fusion images, etc., and achieve the effect of improving the accuracy of target recognition

Inactive Publication Date: 2016-03-30
BEIJING INST OF COMP TECH & APPL +1
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Problems solved by technology

The purpose of this invention is to solve the problem that there is no specific standard for the selection of fusion coefficients in the existing visible light/infrar

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  • Method and system for infrared and low-level-light/visible-light fusion imaging
  • Method and system for infrared and low-level-light/visible-light fusion imaging
  • Method and system for infrared and low-level-light/visible-light fusion imaging

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Embodiment Construction

[0053] The purpose of the present invention is to provide an infrared, low-light / visible light fusion imaging system suitable for complex environments, which is used for video image monitoring. For foggy weather, the image enhancement module can acquire infrared images, low-light images / visible light images , and perform image enhancement on the infrared image, the low light image / the visible light image, wherein the low light image or the visible light image is selected and acquired according to the light intensity of the current environment, and the image enhancement module includes low light / visible light image defogging Enhancement module, infrared image enhancement module, low-light / visible light image defogging enhancement module adopts an image defogging algorithm with higher contrast after defogging, clearer image and richer details; infrared image enhancement module adopts an optimization-based Infrared enhancement algorithm based on multi-scale Retinex theory; a netwo...

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Abstract

The invention discloses a method and a system for infrared and low-level-light (LLL)/visible-light fusion imaging. The method relates to the field of image processing, and particularly relates to a method and a system for infrared and LLL/visible-light fusion imaging. The method comprises the following steps: acquiring an infrared image and an LLL image/a visible-light image, and enhancing the infrared image and the LLL image/the visible-light image, wherein the LLL image or the visible-light image is selectively acquired according to the light intensity of the current environment; and extracting a target area of the infrared image after enhancement, and fusing the target area and a corresponding area in the LLL image/the visible-light image after enhancement through scaling and translating, so as to complete fusion imaging of the infrared image and the LLL image/the visible-light image. According to the invention, the accuracy of target identification can be improved.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method and system for fusion imaging of infrared and low light / visible light. Background technique [0002] Visible light imaging technology uses the spectral reflection of the target to obtain a visible light image with high contrast through photoelectric conversion. The advantage of the visible light image is that it can fully reflect the brightness contrast characteristics of the object, more objectively and truly show the spatial contour information of the target (object or scene), and reflect the detailed information of the entire scene, so the target can be better separated from the background environment open. Due to the evaporation of water vapor in the ocean, it is easy to form dense fog, which reduces the resolution of the field of view and affects the transmission of visible light, which poses a great obstacle to the application of visible light image monitoring syst...

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Application Information

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IPC IPC(8): G06T5/50
Inventor 王东东苏威积林秀春裴彦杰肖鹏钟松延张力邓超黄敏君杜丽孟飞董一伯董博赵薇牛坤张健刘雨睿刘攀张春杰黄传鹤
Owner BEIJING INST OF COMP TECH & APPL
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