LANZHOUUNIVERSITYOFTECHNOLOGY毕业论文题目基于边缘检测法的运动目标的提取学生姓名杨丽霞学号09250130专业班级通信工程（1）班指导教师侯亮李立学院计算机与通信学院答辩日期2013年6月13日基于边缘检测法的运动目标的提取Edgedetectionmethodbasedonthemovingobjectextraction杨丽霞（YangLixia）09250130I兰州理工大学毕业论文摘要在智能视频监控、运动分析应用中,一个基础而又关键的任务是从视频序列中实时地检测和提取出运动目标，以便于对运动目标进行检测和跟踪。当前边缘检测技术应用广泛、发展非常迅速。它是图像处理的一项重要内容，在模式识别、图像理解、人工智能等领域发挥着重要作用。本论文是基于边缘检测法的运动目标的提取。运动目标的提取分为，图像采集、图像灰度化、图像滤波、图像边缘检测几个主要步骤。本文先介绍了图像处理及边缘检测的一些基本内容，然后完成整体流程，通过理论分析从Roberts算子，Sobel算子，LoG算子，Canny算子四种典型的边缘检测算法选择最佳算法Canny算法，通过Matlab编程仿真对调用各算子函数算法进行实现，最终完成边缘检测及运动目标的提取。关键词：Canny算子；边缘检测；两帧差分；运动目标提取II兰州理工大学毕业论文AbstractIntheapplicationsofintelligentvideosurveillanceandmotionanalysis,abasicbutcrucialtaskinrealtimefromvideosequencesistodetectandextractthemovingtargets,sothattodetectandtrackthemovingtarget.Thecurrentedgedetectiontechniqueiswidelyused,andisdevelopingveryrapidly.Itisanimportantcontentofimageprocessing,inareassuchofpatternrecognition,imageunderstanding,artificialintelligenceandotherareasplaysanimportantrole.Edgedetectionofthemovingobjectextractionisstudiedinthispaper.Theextractionofmovingtargetsaredividedinto,imageacquisition,imagegradation,imagefiltering,imageedgedetection.Thisarticlefirstintroducedtheimageprocessionandedgedetectionwithsomebasiccontent,andthenthroughtheoreticalanalysisfromRobertsoperator,Sobeloperator,LoGoperator,CannyoperatorfourtypicaledgedetectionalgorithmtoselectsthebestalgorithmCannyalgorithm.ThroughMatlabsimulationoftheoperaterfunctionalgorithmimplementation,thegoalofedgedetectionandmovingobjectextractionhasbeenachieved.Keywords:Cannyoperator;Edgedetection;Twodifferencemethod;MovingobjectextractionIII兰州理工大学毕业论文目录第1章绪论................................................................................................................................1第2章边缘检测概述及各算子介绍........................................................................................32.1边缘检测概述................................................................................................................32.2边缘检测算子................................................................................................................62.2.1微分算子.............................................................................................................62.2.2高斯拉普拉斯算子(LaplacianofaGaussian,LoG)..........................................82.2.3Canny算子.........................................................................................................9第3章基于边缘检测的运动目标提取算法选择及实现......................................................133.1应用软件介绍..............................................................................................................133.2算法的选择..................................................................................................................133.3Canny算法基本原理................................................
