直升机巡检航拍图像中绝缘子图像的提取算法A Method to Extract Insulator Image From Aerial Image of Helicopter Patrol
黄宵宁;张真良;
摘要(Abstract):
提出了一种新的绝缘子图像提取算法,可用于直升机智能巡检图像中绝缘子图像的提取。该算法首先将航拍得到的高分辨率玻璃绝缘子彩色图像进行RGB到HSI彩色空间的转换;然后对HSI空间的S分量,采用基于遗传算法的最大熵阈值的方法进行图像分割;接着对分割后的图像用双结构级联滤波器滤除噪声;最后用连通区域方法将分割出的绝缘子串轮廓标识出来。算例结果表明:该算法能够从背景复杂的航拍图像中完整地提取绝缘子图像,有较高的工程应用价值。
关键词(KeyWords): 绝缘子图像提取;图像分割;遗传算法;形态学滤波;连通区域标记
基金项目(Foundation): 江苏省高校自然科学基金资助项目(09KJB470002)
作者(Author): 黄宵宁;张真良;
Email:
DOI: 10.13335/j.1000-3673.pst.2010.01.027
参考文献(References):
- [1]于德明,沈建,汪骏,等.直升机在电网运行维护中的研究与应用[J].电网技术,2009,33(6):107-112.Yu Deming,Shen Jian,Wang Jun,et al.Research and application of helicopter in patrol and hotline operating maintenance of power lines[J].Power System Technology,2009,33(6):107-112(in Chinese).
- [2]何洪英,姚建刚,蒋正龙,等.利用红外图像特征和RBPNN识别不同湿度条件下绝缘子的污秽等级[J].中国电机工程学报,2006,26(8):117-123.He Hongying,Yao Jiangang,Jiang Zhenglong,et al.Contamination grades recognition of insulators under different humidity using infrared image features and RBPNN[J].Proceedings of the CSEE,2006,26(8):117-123(in Chinese).
- [3]张运楚,梁自泽,谭民.架空线路绝缘子破损视觉检测研究[J].高技术通讯,2005,15(8):35-38.Zhang Yunchu,Liang Zize,Tan Min.Research on vision inspection system for porcelain insulator fault[J].Chinese High Technology Letters,2005,15(8):35-38(in Chinese).
- [4]朱珠.图像处理技术在架空线路绝缘子破损检测系统的应用研究[D].镇江:江苏大学,2008.
- [5]葛玉敏.基于计算机视觉的绝缘子状态检测[D].保定:华北电力大学,2006.
- [6]章毓晋.图像工程:中册[M].北京:清华大学出版社,2007:168-172.
- [7]孙凤杰,王鹤,范杰清.基于遗传算法的图像阈值分割研究[J].电力系统通信,2008,29(193):35-38.Sun Fengjie,Wang He,Fan Jieqing.Study on image threshold segmentation based on genetic algorithm[J].Telecommunications for Electric Power System,2008,29(123):35-38(in Chinese).
- [8]Kapur J,Sahoo P,Wong A.A new method for graylevel picture thresholding using the entropy of the histogram[J].Computer Graphics and Image Processing,1985,29(3):273-285.
- [9]Tao Wenbing,Jin Hai,Liu Liman.Object segmentation using ant colony optimization algorithm and fuzzy entropy[J].Pattern Recognition letters,2007,28(7):788-796.
- [10]Bhanu B,Sungkee L,Ming J.Adaptive image segmentation using agenetic algorithm[J].IEEE Transactions on Systems,Man and Cybernetics,1995(25):1543-1567.
- [11]雷英杰,张善文,李续武,等.MATLAB遗传算法工具箱及应用[M].西安:西安电子科技大学出版社,2005:45-61.
- [12]姜振超,杨洪耕.基于数学形态学和遗传算法的配电网动态无功优化方法[J].电网技术,2007,31(23):68-73.Jiang Zhenchao,Yang Honggeng.A mathematical morphology and genetic algorithm based dynamic reactive power optimization method for distribution network[J].Power System Technology,2007,31(23):68-73(in Chinese).
- [13]李佐胜,姚建刚,杨迎建,等.基于方差分析的绝缘子红外热像特征选择方法[J].电网技术,2009,33(1):92-96.Li Zuosheng,Yao Jiangang,Yang Yingjian,et al.Feature selection method of insulator infrared thermal image based on variance analysis[J].Power System Technology,2009,33(1):92-96(in Chinese).
- [14]Rafael C G,Richard E W.Digital image processing[M].2nd Edition.Publishing House of Electronics Industry,2007:519-560.
- [15]杨森,董吉文,鲁守银.变电站设备巡检机器人视觉导航方法[J].电网技术,2009,33(5):12-16.Yang Sen,Dong Jiwen,Lu Shouyin.Visual navigation method of substation patrol robot[J].Power System Technology,2009,33(5):12-16(in Chinese).