舰船尾迹光学信号特征的直方图提取方法

陈明荣; 迟卫; 谢田华; 金良安

舰船尾迹光学信号特征的直方图提取方法

1.
海军大连舰艇学院研究生管理大队,辽宁大连 116018;
2.
海军大连舰艇学院航海系,辽宁大连 116018

详细信息

通讯作者:
陈明荣（1985-），男，江西临川人，博士研究生，主要从事舰船尾迹信号特征提取与抑制研究工作。 Email:ming19850216@163.com

中图分类号: TN911.73
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出版历程
- 刊出日期: 2013-03-15

Histogram extraction method of optical signal features of ship wake

1.
Department of Graduate Management,Dalian Naval Academy,Dalian 116018,China;
2.
Department of Navigation,Dalian Naval Academy,Dalian 116018,China

摘要

摘要: 现有舰船尾迹光学信号特征提取方法普遍存在运算复杂、处理速度不快等问题，研究基于直方图分析的舰船尾迹光学信号特征快速提取方法。根据舰船尾迹图像直方图具有明显的双峰特征，提出用峰值点分布密集程度kdd和尾迹区与海水背景区像素灰度值均值比Ci2个参数来表征舰船尾迹光学信号特征强度，通过专门研制的海上特征提取实验装置进行特征提取实验分析。分析结果表明：这2个参数能定量可靠地描述舰船尾迹光学信号特征强度的变化规律，并且在特征提取中具有简单快速的优势，从读进一张舰船尾迹图像到利用MATLAB软件计算出其特征参数值，电脑处理时间约为0.07 s。
- 舰船尾迹 /
- 光学信号特征 /
- 直方图分析 /
- 密集程度 /
- 灰度值均值比
Abstract: The present optical signal feature extraction methods of ship wake still have a lot of problems such as complex operation and slow processing speed. Histogram extraction method of optical signal feature of ship wake was researched in this paper. As the ship wake image histogram was provided with obvious bimodal characteristic, peak point distribution density and the ratio of pixel gray value were used to characterize the optical signal feature strength of ship wake, and the feature was analyzed by the specialized feature extraction experiment device. Feature extraction experiment results show that the two feature parameters can reliably describe the optical signal feature strength of ship wake, and the advantages of the method are simple and fast. From reading a ship wake image to calculating its value by using Matlab software, computer processing time is approximately 0.07 s.
- ship wake /
- optical signal feature /
- histogram analysis /
- peak point distribution density /
- ratio of pixel gray

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参考文献(1)

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