欢迎来到天天文库
浏览记录
ID:17547380
大小:1.55 MB
页数:48页
时间:2018-09-03
《高压输电线路中绝缘子图像检测技术研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、中北大学2013届毕业论文高压输电线路中绝缘子图像检测技术研究摘要:随着数字图像处理技术在电力系统中的广泛应用,图像信息的作用越来越重要。利用图像处理技术对电力设备状态图像进行分析,可以实现对电力设备状态的检测,及时发现异常现象和潜在故障。这不仅对电力系统安全稳定运行具有重要意义,而且还可以极大地提高电力系统的自动化程度,最终实现电力系统值守无人化。本文对实际的电力设备图像进行了直方图增强、中值滤波、边缘检测和图像二值化等预处理。在对绝缘子图像的检测和识别中,通过像素点统计(面积计算),将检测图与原图的像素点数作差(差值B),
2、与设定的临界值C比较。若B3、stract:Withthewideapplicationofdigitalimageprocessingtechnologyinthepowersystem,theimportanceofimageinformationisbecomingmoreandmore.Usingimageprocessingtechniquestoanalyzethepowerdevicestateimages,itcanachievethestateofpowerequipmenttestinganddetectanomaliesandpote4、ntialfailure.Itisnotonlyimportantforsafetyandstableoperationofthepowersystem,butalsocansignificantlyimprovetheautomationofpowersystemandachieveultimatelyunmannedmanagement.Inthispaper,theprimaryprocessingofinsulatorimageincludesmedianfiltering,histogramenhancementan5、dimagepreprocessingbinary,meanwhiletheimagemorphologicaldilationalgorithmandseedfilloperationarealsoveryimportantfactors.Inthestageofimagerecognitionandanalysis,accordingtothecalculateresultofimages’pixel,Bisthepixelnumberofthedetectedimage,Cistheassumedcriticalvalu6、e.IfB7、digitalimageprocessingtechnologiesrelatedcontinuetoimprove,itwillturnouttobeapromisingtechniqueinthepowersystemmonitoring.Keywords:insulator,Conditionmonitoring,pixelcalculation,Featureabstraction,GUI第48页共43页中北大学2013届毕业论文目录1绪论11.1课题的背景和意义11.2课题的国内外发展现状21.3论文的主要工作42绝8、缘子图像的预处理52.1数字图像的基本知识52.1.1图像的颜色模型52.1.2彩色图像的灰度化72.2图像的预处理72.2.1直方图增强72.2.2图像平滑92.3小结113绝缘子图像分割123.1图像锐化113.1.1Sobel算子算法113.1.2拉普拉斯算子算法133
3、stract:Withthewideapplicationofdigitalimageprocessingtechnologyinthepowersystem,theimportanceofimageinformationisbecomingmoreandmore.Usingimageprocessingtechniquestoanalyzethepowerdevicestateimages,itcanachievethestateofpowerequipmenttestinganddetectanomaliesandpote
4、ntialfailure.Itisnotonlyimportantforsafetyandstableoperationofthepowersystem,butalsocansignificantlyimprovetheautomationofpowersystemandachieveultimatelyunmannedmanagement.Inthispaper,theprimaryprocessingofinsulatorimageincludesmedianfiltering,histogramenhancementan
5、dimagepreprocessingbinary,meanwhiletheimagemorphologicaldilationalgorithmandseedfilloperationarealsoveryimportantfactors.Inthestageofimagerecognitionandanalysis,accordingtothecalculateresultofimages’pixel,Bisthepixelnumberofthedetectedimage,Cistheassumedcriticalvalu
6、e.IfB7、digitalimageprocessingtechnologiesrelatedcontinuetoimprove,itwillturnouttobeapromisingtechniqueinthepowersystemmonitoring.Keywords:insulator,Conditionmonitoring,pixelcalculation,Featureabstraction,GUI第48页共43页中北大学2013届毕业论文目录1绪论11.1课题的背景和意义11.2课题的国内外发展现状21.3论文的主要工作42绝8、缘子图像的预处理52.1数字图像的基本知识52.1.1图像的颜色模型52.1.2彩色图像的灰度化72.2图像的预处理72.2.1直方图增强72.2.2图像平滑92.3小结113绝缘子图像分割123.1图像锐化113.1.1Sobel算子算法113.1.2拉普拉斯算子算法133
7、digitalimageprocessingtechnologiesrelatedcontinuetoimprove,itwillturnouttobeapromisingtechniqueinthepowersystemmonitoring.Keywords:insulator,Conditionmonitoring,pixelcalculation,Featureabstraction,GUI第48页共43页中北大学2013届毕业论文目录1绪论11.1课题的背景和意义11.2课题的国内外发展现状21.3论文的主要工作42绝
8、缘子图像的预处理52.1数字图像的基本知识52.1.1图像的颜色模型52.1.2彩色图像的灰度化72.2图像的预处理72.2.1直方图增强72.2.2图像平滑92.3小结113绝缘子图像分割123.1图像锐化113.1.1Sobel算子算法113.1.2拉普拉斯算子算法133
此文档下载收益归作者所有