舰船目标红外图像特性研究

王学伟; 王世立; 李珂

舰船目标红外图像特性研究

1.
海军航空工程学院控制工程系,山东烟台 264001

详细信息

通讯作者:
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。

中图分类号: TN21
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出版历程
- 刊出日期: 2012-09-15

Characteristic of ship target IR image

1.
Department of Control Engineering,Naval Aeronautical and Astronautical University,Yantai 264001,China

摘要

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。
- 舰船目标红外图像 /
- 辐射 /
- 海天线 /
- 直线拟合法
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.
- ship target infrared image /
- radiation /
- sea-horizon /
- linear fitting

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参考文献(1)

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