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New infrared image enhancement processing method based on sopc

An infrared image and enhancement processing technology, applied in image enhancement, image data processing, instruments and other directions, can solve the problems that affect the application effect of infrared night vision imager, the imaging effect of infrared thermal imager is not ideal, and the noise of infrared image is large. Achieve good practical value, improve target details, and achieve good results

Active Publication Date: 2019-02-26
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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AI Technical Summary

Problems solved by technology

[0004] Limited by the development level of infrared devices, the imaging effect of infrared thermal imaging cameras is not ideal, mainly manifested in the infrared image noise, low contrast, poor spatial resolution, weak target signal, blurred edges, poor visual effects, etc. Shortcomings affect the application effect of infrared night vision imagers in actual combat

Method used

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  • New infrared image enhancement processing method based on sopc
  • New infrared image enhancement processing method based on sopc
  • New infrared image enhancement processing method based on sopc

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Embodiment Construction

[0024] Novel infrared image enhancement processing method based on SoPC, comprising the following steps

[0025] Step 1: Based on the SoPC system, perform histogram statistics on the collected infrared images to obtain the grayscale statistical histogram value H(p) of the image; and calculate the grayscale average value H of H(p) a , the maximum gray value H M , the minimum gray value H m ;

[0026] Step 2: Through the formula

[0027] Calculate the upper platform threshold T H ;

[0028] Step 3: Through the formula T L =H m (2)

[0029] Get the lower platform threshold T L ;

[0030] Step 4: Pass the formula

[0031]

[0032] Where L is the gray level of the image, and the double-platform histogram correction value H of the image is obtained T (p)

[0033] Step Five: Pass the formula

[0034]

[0035] Get the cumulative histogram F of the image T (p);

[0036] Step Six: Pass the formula

[0037]

[0038] Obtain the gray value D after equalization o...

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Abstract

The technology belongs to the field of image enhancement and specifically relates to an SoPC-based novel infrared image enhancement processing method. The method comprises the following steps: a gray scale mean value Ha, a gray scale maximum value HM and a gray scale minimum value of H(p) are obtained; an upper limit platform threshold value TH is obtained; a lower limit platform threshold value TL is obtained; a double platform histogram correction value HT(p) of an image is obtained; a cumulative histogram FT(p) of the image is obtained.

Description

technical field [0001] The technology belongs to the field of image enhancement, and specifically relates to a novel infrared image enhancement processing method based on SoPC. Background technique [0002] The infrared imaging system absorbs the energy radiation of the target object and converts it into an electrical signal to generate an infrared image, which broadens the scope of human visual cognition. [0003] A thermal imaging camera is an imaging device that uses infrared imaging technology. It takes the infrared focal plane device as the core, and converts the infrared radiation energy emitted by the target scene into a grayscale image visible to the human eye. The infrared radiant energy in the scene is projected onto the infrared focal plane through infrared proficiency, and the detector converts the radiation into a corresponding electrical signal, realizing the conversion from light to electricity, and then processes the electrical signal through the circuit sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/40
CPCG06T5/40
Inventor 傅强董斐魏小林刘晗何锁纯周阳
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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