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舰船目标红外图像特性研究

Characteristic of ship target IR image

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摘要

针对成像型反舰导弹所获红外图像的特点,分析了舰船目标和海天背景的红外辐射特性,得知舰船目标红外图像有一重要特征-海天线,它可以确定目标的所在区域。为了舰船目标的跟踪定位,对舰船目标红外图像中的海天线特征进行研究,提出一种基于预处理和直线拟合法提取海天线特征的算法,首先对图像进行边缘检测得到梯度图像,进而二值化并细化,最后利用Hough变换提取海天线。结果表明,在低对比度和有云团干扰的情况下,该算法与改进的直线拟合法相比,能够有效地、准确地提取舰船目标红外图像中海天线特征。

Abstract

Aiming at the features of infrared image obtained by imaging anti-ship missiles, this paper researches on the infrared radiation characteristic of the ship target and background of sea and sky, and makes a conclusion that the infrared image of ship target has an important characteristic, sea-horizon, which can locate the target region. To locate the ship target, the paper studied the sea-horizon feature of ship-target infrared image, and an algorithm based on preprocessing and linear fitting to locate the horizontal feature was put forward. The image preprocessing was carried out by applying the edge detection to obtain the gradient image, then the linearization and thinning processing was operated. At last, the Hough algorithm was used to locate the sea-horizon. The experiment result shows that compared with the improved linear fitting method, this method can extract the sea-horizon characteristic in ship-target infrared image precisely under the condition of low contrast and disturbance of cloud.

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补充资料

中图分类号:TN21

DOI:10.5768/jao201233.0501003

基金项目:总装备部武器预研基金( 9140A 19040809 JB1403)

收稿日期:2012-04-09

修改稿日期:2012-06-18

网络出版日期:--

作者单位    点击查看

王学伟:海军航空工程学院 控制工程系,山东 烟台 264001
王世立:海军航空工程学院 控制工程系,山东 烟台 264001
李珂:海军航空工程学院 控制工程系,山东 烟台 264001

联系人作者:王学伟(xueweiwang@sohu.com)

备注:王学伟(1973-),男,山东青州人,副教授,主要从事复合制导、图像融合、红外传感器效应工作。

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引用该论文

WANG Xue-wei,WANG Shi-li,LI Ke. Characteristic of ship target IR image[J]. Journal of Applied Optics, 2012, 33(5): 837-840

王学伟,王世立,李珂. 舰船目标红外图像特性研究[J]. 应用光学, 2012, 33(5): 837-840

被引情况

【1】江涛,张宝宜,赵江,姚林海,刘小强,刘彤. 上反式光电侦查设备虚拟海天线波门控制方法. 应用光学, 2013, 34(5): 733-737

【2】耿春明,方菲. 。融合区域生长与霍夫变换的内窥图像分割算法. 应用光学, 2014, 35(6): 1009-1015

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