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A method and system for real-time suppression of thermal window effect in infrared images

An infrared image and infrared imaging technology, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problem of poor imaging effect of infrared imaging equipment and achieve the effect of a simple method

Active Publication Date: 2022-07-26
SUN CREATIVE ZHEJIANG TECH CO LTD
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Problems solved by technology

[0004] The technical problem solved by the present invention is to construct a real-time suppression method and system for infrared image thermal window effect, and overcome the technical problem of poor imaging effect of infrared imaging equipment caused by the "thermal window" effect in the prior art

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  • A method and system for real-time suppression of thermal window effect in infrared images
  • A method and system for real-time suppression of thermal window effect in infrared images
  • A method and system for real-time suppression of thermal window effect in infrared images

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Embodiment Construction

[0027] The technical solutions of the present invention will be further described below with reference to specific embodiments.

[0028] like figure 2 As shown, the specific embodiment of the present invention is to provide a real-time suppression method for thermal window effect of infrared images, comprising the following steps:

[0029] Obtain the image and temperature information of the cold state: when the infrared imaging device is cold, obtain the image data Image_Data1 and temperature Temp1 of the infrared detector of the infrared imaging device facing the uniform radiation scene.

[0030] The specific implementation process is: when the infrared imaging device is cold, acquire the image data Image_Data1 of the infrared detector of the infrared imaging device facing the uniform radiation scene, acquire the temperature Temp1 at this time, and store the image data Image_Data1 and the temperature Temp1.

[0031] Obtain thermal equilibrium image and temperature informati...

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Abstract

The invention relates to a real-time suppression method and system for thermal window effect of an infrared image. The compensation value ΔB of the thermal window effect of an image is obtained according to the startup temperature Tstart of an infrared device, the real-time temperature Treal, and the stored image data difference value ΔImage_Data and the temperature difference value ΔTemp; The calculated image thermal window effect compensation value ΔB is applied to the infrared image data for image compensation. The thermal window effect in the infrared image imaging process is solved by a simple method, and the quality of the infrared image is greatly improved.

Description

technical field [0001] The present invention relates to an infrared image correction method and system, in particular to a real-time suppression method and system of infrared image thermal window effect. Background technique [0002] Infrared thermal imaging technology is more and more widely used in military, medical, security, agriculture, forestry, and industry. After a period of time, there will be obvious non-uniformities in the edge and center areas of the image - the "hot window" effect. The thermal window effect will significantly reduce the image quality, affect the user experience, and even directly cause some application scenarios to fail to work properly in severe cases. [0003] There are many reasons for the "hot window" effect of infrared images, such as high power consumption, serious equipment heating, uneven heat dissipation of structural parts, defects in optical system design, etc. The influence of factors such as changes, shock and vibration may introd...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T7/00
CPCG06T5/006G06T7/0002G06T2207/10048
Inventor 付涛张亮刘琴
Owner SUN CREATIVE ZHEJIANG TECH CO LTD
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