Method and system of thermal infrared remote sensing image super-resolution reconstruction based on MAP algorithm

A technology of super-resolution reconstruction and thermal infrared remote sensing, which is applied in the field of image applications, can solve problems such as insufficient speed and insufficient quality of reconstruction, and achieve the effect of simple and fast operation

Inactive Publication Date: 2013-09-04
HOHAI UNIV
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Problems solved by technology

[0006] Purpose of the invention: In view of the technical problems that the speed of the existing super-resolution reconstruction method is not fast enough and the quality of the reconstruction is not good enough, the present invention provides an image super-resolution reconstruction method and system based on the MAP algorithm

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  • Method and system of thermal infrared remote sensing image super-resolution reconstruction based on MAP algorithm
  • Method and system of thermal infrared remote sensing image super-resolution reconstruction based on MAP algorithm
  • Method and system of thermal infrared remote sensing image super-resolution reconstruction based on MAP algorithm

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[0034] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0035] figure 1 It is a flow chart of a thermal infrared remote sensing image super-resolution reconstruction method based on the MAP algorithm in an embodiment of the present invention, including:

[0036] S101: Acquire a sequence of low-resolution images of the same scene, the sequence of images includes at least two frames of images; wherein, multiple images in the image are low-resolution images that are under-sampled and aliased and have sub-pixel displacements between them.

[0037] S102: A...

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Abstract

The invention discloses a method and system of thermal infrared remote sensing image super-resolution reconstruction based on a MAP algorithm, the method and system comprises the following steps: obtaining a segment of sequence thermal infrared band remote sensing images, wherein the sequence images comprise at least two frames of images; completing rectification by using the automatic extraction and matching based on a high precision automatic rectification method of angular point characteristics; achieving the super-resolution reconstruction of the sequence images by using the MAP algorithm, and putting forward an adaptive selection method of an edge penalty function threshold; carrying out application-oriented quality evaluation on target resolution images after reconstruction. According to the method and system of the thermal infrared remote sensing image super-resolution reconstruction based on the MAP algorithm, the high precision automatic rectification among images can be achieved, parameter threshold values can be selected adaptively, the interference of human factors can be reduced, the super-resolution reconstruction of real time can be achieved, and therefore the problems that thermal infrared remote sensing image resolution is low, a reconstruction method cannot achieve automation and is influenced by human factors seriously, speed is not high enough, reconstruction quality cannot be objectively and authentically evaluated in the prior art are solved.

Description

technical field [0001] The invention relates to the field of image applications, in particular to a method and system for super-resolution reconstruction of thermal infrared remote sensing images using a MAP algorithm. Background technique [0002] Super-resolution image reconstruction uses signal processing and software methods to eliminate image degradation caused by the external environment and imaging system. According to the prior information of a single image and the complementary information between multi-temporal sequence images, super-resolution reconstruction converts a One or more low-resolution observation images are reconstructed into a high-resolution image, which can improve the quality of the image, essentially increase the resolution of the image, and make the reconstructed image clearer than the original image. At present, super-resolution technology has defects such as large amount of calculation, or unsatisfactory effect. [0003] Super-resolution recons...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
Inventor 杨英宝赵前鑫章勇
Owner HOHAI UNIV
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