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Image Processing Technology of FLIR-based Enhanced Vision System

机译:基于FLIR的增强视觉系统的图像处理技术

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摘要

An Enhanced Vision System (EVS), developed and demonstrated by Luoyang Institute of Electro-optical Equipment of China Aviation Industry Corporation I (LIEOE of AVIC I) is introduced in this paper, including its composition, technical characteristics and recent developments. EVS has to deal with 3 typical image processing problems: 1) image noise reduction; 2) image enhancement; 2) landing information extraction. Solutions in system hardware level are proposed and described in this paper: 1)neighborhood averaging is used to reduce image noise; 2)Laplacian pyramid algorithm, featuring multiple resolutions, is used to enhance image, and quantized image quality parameters are used as the feedback of image processing effect to adjust enhancement processing parameters automatically; 3) aided by navigation system, airport runway edges in IR image are detected and identified by edge detection & segmentation method based on gradient operator and morphology operations, and runway edge straight-line detection technology based on Hough transformation.
机译:本文介绍了由中国航空工业第一集团公司洛阳电光设备研究所(中航一公司的LIEOE)开发和演示的增强视觉系统(EVS),包括其组成,技术特点和最新发展。 EVS必须处理3个典型的图像处理问题:1)图像降噪; 2)图像增强; 2)登陆信息提取。本文提出并描述了系统硬件级别的解决方案:1)采用邻居平均法降低图像噪声; 2)采用具有多种分辨率的拉普拉斯金字塔算法对图像进行增强,并以量化的图像质量参数作为图像处理效果的反馈,以自动调整增强处理参数; 3)借助导航系统,利用基于梯度算子和形态学运算的边缘检测与分割方法,以及基于霍夫变换的跑道边缘直线检测技术,对红外图像中的机场跑道边缘进行检测和识别。

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