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Research on Fusion Algorithm of Infrared and Visible Images

Author: ChenJie
Tutor: ZengYanAn
School: Huazhong University of Science and Technology
Course: Optical Engineering
Keywords: Image fusion Image registration Coaxial Curve surface interpolation
CLC: TP391.41
Type: Master's thesis
Year: 2013
Downloads: 17
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Abstract


Multi-spectral image fusion is an important branch of multi-source information fusion.By extracting and combining all kinds of image information from different sensors receivedifferent wavelength of the electromagnetic wave, it can describe an all-round, accurate,unified data or image of the same scene or target. Based on the imaging principle of theinfrared and visible light camera, during the comprehensive research of plenty kind of themulti-source image fusion method and system, because of the infrared resolution is low andneed to make a full use of the infrared field premise, we set up a set of splitting coaxialimage fusion system. On this basis, realize the infrared and visible image fusion algorithmdesign.This thesis analyzes the possible space differences and the causes of the differences ofthe infrared and visible image collected by the splitting coaxial image fusion system. Basedon the research of the image registration methods, considering the imaging characteristics ofthe infrared and visible light cameraļ¼Œproposed an image registration method based onextracting cross points. In order to resolve the problem of low resolution of infrared image,proposed an image interpolation algorithm using the method of curve surface slice. By usingthis method, the infrared image information is retained most completely, has a continuousarrange of the gray level and a smooth imaging.Using the image registration algorithm and the image interpolation algorithm developedin this thesis, realized the point to point mapping of the two image pixels. The fusion imagecombines the good characteristics of infrared and visible-light image. Besides clearlyshowing the contour and the colorful appearance information of the target, it shows thetemperature information of the target. Presenting a more abundant and comprehensiveinformation of the target object for us.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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