吉林大学学报(工学版) ›› 2019, Vol. 49 ›› Issue (4): 1369-1376.doi: 10.13229/j.cnki.jdxbgxb20171005

• • 上一篇    

光学遥感图像舰船目标快速检测方法

董超1,2(),刘晶红1(),徐芳1,王仁浩3   

  1. 1. 中国科学院长春光学精密机械与物理研究所 航空光学成像与测量重点实验室，长春 130033
    2. 中国科学院大学 研究生院，北京 100049
    3. 哈尔滨工业大学 机电工程学院，哈尔滨 150001
  • 收稿日期:2017-09-26 出版日期:2019-07-01 发布日期:2019-07-16
  • 通讯作者: 刘晶红 E-mail:dongchao315@mails.ucas.ac.cn;liu1577@126.com
  • 作者简介:董超（1992?），女，博士研究生.研究方向：目标检测识别.E?mail：dongchao315@mails.ucas.ac.cn
  • 基金资助:
    国家自然科学基金项目(60902067)

Fast ship detection in optical remote sensing images

Chao DONG1,2(),Jing⁃hong LIU1(),Fang XU1,Ren⁃hao WANG3   

  1. 1. Key Laboratory of Airborne Optical Imaging and Measurement, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
    3. School of Mechatronics, Harbin Institude of Technology，Harbin 150001，China
  • Received:2017-09-26 Online:2019-07-01 Published:2019-07-16
  • Contact: Jing?hong LIU E-mail:dongchao315@mails.ucas.ac.cn;liu1577@126.com

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摘要：

针对当前的光学遥感图像舰船检测算法无法适用于不同复杂背景的问题，根据人造目标和自然景物的亮度、颜色、边缘特征，提出了基于区域协方差特征值的显著性检测方法，讨论了单一特征值对图像显著性做出的贡献，并使用图像信息熵来度量显著图的有效性。在没有后续虚警目标剔除过程的前提下，对云、雾、海杂波、存在岛屿等复杂背景下的舰船进行检测试验，结果表明：算法能够成功检测出舰船目标，有效抑制虚警，而且本文算法简单高效，适合于工程应用。对获得的包含舰船目标的光学遥感图像进行了试验测试，表明在AUC评价指标上也优于其他5种典型显著性算法。

关键词: 信息处理技术, 舰船检测, 视觉注意机制, 区域协方差, 信息熵

Abstract:

Because the most existing ship detection methods do not perform well for various high sea clutter situations, according to the characteristic difference between man?made object and natural background, we propose a novel saliency detection model by computing the eigenvalues of region covariances. To the best of our knowledge, there is no existing reference in the literature about exploring the relationship between the different eigenvalues of region covariances and saliency so far. We further integrate the feature maps linearly by assigning adaptive weight value based on information entropy. The proposed approach has a remarkable ability to pop out targets and suppress distractors against clutter introduced by heavy clouds, islands as well as ship wakes. Furthermore, our model is fast and efficient which has great potential in engineering applications. Extensive experiments have been carried out on optical satellite images and experimental results demonstrate that our approach outperforms 5 existing salient object detection methods in the Area Under the Receiver Operating Characteristics.

Key words: information processing technology, ship detection, visual attention model, region covariance, information entropy

中图分类号: 

  • TN919.8

图1

不同特征值归一化显著图及直方图"

图2

显著图计算结果"

图3

显著性算法效果对比"

图4

ROC曲线"

表1

不同方法检测结果"

方法 P d /% P f /%
文献[2] 82.5 18.8
文献[6] 90.3 6.2
本文 90.6 10.3

图5

参数z对检测性能的影响"

图6

多层元胞更新机制的收敛曲线"

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