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Edge detail protection-based infrared image super-resolution reconstruction method

A super-resolution reconstruction and infrared image technology, which is applied in the field of infrared image reconstruction, can solve the problems of reconstruction image blurring, reconstruction image edge oscillation effect, and affecting the final result of image reconstruction.

Inactive Publication Date: 2017-10-24
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, the POCS method also has its disadvantages. In the traditional POCS method, bilinear interpolation is used to obtain the initial estimate of the high-resolution image, which often leads to blurred reconstruction images, and a single Gaussian function is used as the point spread function for the image. Edge ringing effect, affecting the final result of image reconstruction

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  • Edge detail protection-based infrared image super-resolution reconstruction method
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[0027] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0028] The technical scheme that the present invention solves the problems of the technologies described above is:

[0029] In order to facilitate the public's understanding of the technical solution of the present invention, the relevant theory of super-resolution image reconstruction is firstly introduced.

[0030] One of the main problems in the reconstruction of multi-frame images is how to simulate the degradation process between the original image and the low-resolution image, so as to establish an accurate observation model, which reflects the entire distance from the original image of the target scene to the observation image. The imaging process, which is the basis of super-resolution image recon...

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Abstract

The invention relates to an edge detail protection-based infrared image super-resolution reconstruction method and belongs to the image processing technical field. On the basis of a traditional POCS (projection onto convex set) reconstruction algorithm, the edge detail protection-based infrared image super-resolution reconstruction method is provided in order to solve the problem that the traditional POCS reconstruction algorithm heavily relies on high-resolution initial estimation images and ringing phenomena in reconstructed images. According to the method, a low-resolution image sequence is read; a high-resolution image initial estimation value is obtained through using an iterative curvature interpolation method; and the high-frequency detail region and smooth region of an infrared image are iteratively corrected through adopting different point spread functions, so that the edge oscillation effect of a reconstructed image can be decreased. With the method adopted, an image edge detail-well protected reconstruction result can be obtained.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an infrared image reconstruction method. Background technique [0002] In recent years, with the development of society, people's demand for high-definition and high-quality images is more urgent, and digital image processing technology has been widely used in many fields. Infrared imaging technology has been widely used in many fields because of its strong anti-interference ability and small environmental impact. In the military field, high-definition, high-quality images are very helpful for target detection and identification; in the medical field, high-resolution, high-quality images can provide effective information to doctors in medical diagnosis and treatment; in the field of security protection , video surveillance, biometrics, etc., high-resolution images can provide effective help. However, due to the constraints of current technology and materials, it is dif...

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Application Information

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IPC IPC(8): G06T3/40G06T5/00G06T7/13G06T7/181
CPCG06T3/4053G06T7/13G06T7/181G06T5/00
Inventor 代少升崔俊杰余良兵张绡绡
Owner CHONGQING UNIV OF POSTS & TELECOMM
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