【作者】 李洪；

【导师】 庞其昌；

【作者基本信息】 暨南大学 ， 光学， 2005， 硕士

【摘要】 紫外与可见光双光谱图像检测技术是欧美国家为军事目的发展起来的新型图像检测技术。它利用中紫外区的“日盲”(240～280nm的中紫外)特性,通过双光谱图像检测系统观察和检测该波段的紫外目标信号与背景可见光图像。国外对“紫外与可见光双光谱图像检测系统”的民用研究,最近几年发展迅猛,并有相关产品推向市场;但国内在这方面的民用研究目前还是空白。因此,开展双光谱图像检测系统的研究工作极具意义。 本文首先对紫外与可见光双光谱图像检测系统的总体设计进行介绍,并对系统组成器件的选择进行分析。本文重点论述双光谱图像配准与融合技术。 在图像配准中,本文针对材料对紫外光反射的特点寻找到合适的配准物,并进行边缘检测分析,最后根据系统图像的特点,利用基于特征点的图像配准方法进行有效的双光谱图像配准。 在图像融合中,首先对图像进行预处理,即进行除噪和增强处理,然后根据双光谱检测系统采集到的紫外放电图像与可见光背景图像的特点,提出了几种图像融合算法:模糊矩阵的图像融合法、小波变换法、基于模糊矩阵的小波变换融合法等。通过实验与分析确定模糊矩阵的小波变换融合法的融合效果最好。更多还原

【Abstract】 The UV and visible double spectrum image system is a new detection technology in the field of military affairs in US and Europe. By adopting the characteristic of ultraviolet solar blind filter (240-280nm ultraviolet), it can observe and detect the ultraviolet target signal of this wave band and background visible light image through UV double spectrum detection system. The research in civil use of "UV and visible double spectrum image detection system" has been developed greatly abroad in recent years and relevant products have entered the market; but it is almost a blank in the domestic research in this aspect. Therefore, it is significant to do research in double spectrum image detection system.First, this paper introduces the overall design of the double spectrum image system, and also chooses to analyze the constituent of the system.In image registration, this paper finds the suitable registration object according to the characteristic that the material reflects upon UV, conducts border detect analysis and finally carries out effective double spectrum image registration according to the characteristics of system image and the image registration methods upon these characteristics.In the image fusion, first pre-handle with the image, i.e., noise elimination and image enhancement, then put forward some arithmetic for image fusion according to the characteristics of UV discharge image and visible background image collected by double spectrum detect system: image fusion based on fuzzy matrix . wavelet transform wavelet fusion based on fuzzy matrix .wavelet fusion based on fuzzy matrix has the best effect through experiment and analysis.更多还原