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Infrared polarization super-pixel radiation light intensity image resolution reduction method

A technology of image resolution and infrared polarization, applied in radiation pyrometry, image data processing, graphic image conversion, etc., can solve the problem of poor resolution of polarized light image resolution

Active Publication Date: 2020-02-07
成都鼎屹信息技术有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide an infrared polarized super-pixel radiated light in order to solve the problem that the existing integrated micropolarizer array infrared imaging system uses the traditional bilinear interpolation method to reduce the resolution of the polarized light image. Strong Image Resolution Restoration Method

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  • Infrared polarization super-pixel radiation light intensity image resolution reduction method
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  • Infrared polarization super-pixel radiation light intensity image resolution reduction method

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Embodiment 1

[0066] A preferred embodiment of the present invention provides a method for restoring the resolution of an infrared polarized super-pixel radiation intensity image, such as figure 1 shown, including the following steps:

[0067] Step 1: Obtain the pixel data of any two sets of polarization angles that are orthogonal to each other, and preprocess them to obtain the M×N order polarization data matrix O(M, N), and obtain the polarization data matrix O(M, N) ) to get the polarization intensity data In this embodiment, values ​​of any two groups of polarization angles that are orthogonal to each other are specifically 0, 45, 90, and 135. The specific method of this step is as follows:

[0068] Step 1-1: Read the pixel data of four different polarization angles collected by the uncooled infrared focal plane micro-polarization array detector, which is the original infrared intensity data of the image size M×N obtained by the focal plane pixel , and perform image two-point corr...

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Abstract

The invention discloses an infrared polarization super-pixel radiation light intensity image resolution reduction method and relates to the field of infrared image processing. The method comprises thefollowing steps of (1) acquiring pixel data of any two groups of orthogonal polarization angles acquired by a detector, preprocessing the pixel data to obtain an M*N-order polarization data matrix, and segmenting the polarization data matrix to obtain four polarization intensity data, (2) performing convolution processing on the polarization data matrix to obtain four correlation gradient matrixes and solving a correlation gradient factor matrix corresponding to the polarization data matrix by utilizing the four correlation gradient matrixes, (3) respectively carrying out bilinear interpolation on the four polarization intensity data to obtain four polarization light intensity matrixes and carrying out gradient correction on the four polarization light intensity matrixes by utilizing thecorrelation gradient factor matrix to obtain reduction matrixes of four polarization angles, and (4) calculating a radiation light intensity image of the detector by utilizing the four reduction matrixes. According to the method, the problem that an existing method has a poor polarized light image resolution reduction degree is solved.

Description

technical field [0001] The invention relates to the field of infrared image processing, in particular to a method for restoring the resolution of an infrared polarization super-pixel radiation intensity image. Background technique [0002] Infrared polarization imaging technology uses the polarization information generated by objects in the process of emitting, scattering, reflecting and transmitting electromagnetic waves for imaging. Different objects or different states of the same object (such as roughness, water content, physical and chemical characteristics of materials, etc.) Infrared bands tend to have different polarization states. This technology can well distinguish targets and backgrounds with the same thermal radiation but different polarization characteristics, and can effectively reveal the shape structure, texture, roughness and other characteristics of the target surface. [0003] The commonly used technical means for infrared polarization detection include ...

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Application Information

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IPC IPC(8): G01J5/00G01J5/08G06T3/40
CPCG01J5/00G06T3/4007G01J2005/0077G01J5/59
Inventor 李京辉廖邦繁卢云龙
Owner 成都鼎屹信息技术有限公司
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