MATLAB下图像增强算法研究外文翻译

学校代码：11059学号：1305061014HefeiUniversity毕业设计（论文）BACHELORDISSERTATION论文题目：MATLAB下图像增强算法研究学位类别：工学学士学科专业：电子信息工程专业作者姓名：李涛导师姓名：李瑶胡学友完成时间：2015年5月30号IMATLAB下图像增强算法研究中文摘要图像增强主要原理是将图片中所要的区域进行增强，将那些含有的噪声和干扰的信息进行滤除，在处理后的图片中，重要信息得到保留并增强，这样就会更好的分辨和应用这些处理后图片进行其他研究。这些基础算法在图像处理中起到了关键性的作用。通过对增强算法的基本了解之后，本文的工作，首先是对各种增强算法的原理进行系统的研究，然后对于算法中各个问题详细处理分析，在这里选择的是运用MATLAB软件对各种图像处理的方法进行编写仿真，通过MATLAB仿真得到的实验结果，将不同的增强算法进行理论和实验数据的对比，从对比后的结果可以对不同算法的特点进行分析，使用增强算法原理可以从主观和客观上对图像分析，这样就针对图像增强的方法功能进行清晰的评判，以及对不同算法的局限性和适用性进行分析，对其算法的优点和局限性加以阐述说明。关键字：图像增强；MATLAB；噪声；算法原理IIImageenhancementalgorithmunderMATLABAbstractImageenhancementisthepictureoftheareawillbeenhancedandthosecontainingnoiseandinterferenceofinformationfilteringprinciple,inthepicture,theimportantinformationarekeptandenhanced,sowillbetterresolutionandapplicationofthesepicturesinotherstudies.Thebasicalgorithmplaysakeyroleinimageprocessing..Aftertheunderstandingoftheenhancementalgorithm,thiswork,firstisthealgorithmprincipleofvariousenhancedsystemresearch,andthenthedetailedprocessingalgorithmsineachanalysis,hereisthechoiceofthevariousmethodsofimageprocessingwerepreparedusingMATLABsimulationsoftware,theexperimentalresultsobtainedbyMATLABsimulation,willbedifferentmakecomparisonoftheoreticalandexperimentaldatafromthecomparisonalgorithm,theresultsofanalysisofthecharacteristicsofdifferentalgorithms,usingtheenhancedalgorithmcanfromthesubjectiveandobjectiveofimageanalysis,suchasclearevaluationfunctionforimageenhancementmethod,andthelimitationsandapplicabilityofdifferentalgorithmsareanalyzed,theadvantagesandlimitationsofthealgorithmareillustrated.Keywords:ImageEnhancement;MATLAB;Noise;AlgorithmPrincipleIII目录第一章图像增强的基本理论....................................................................................11.1课题背景和意义..........................................................................................11.2图像增强的基本概述...................................................................................21.3课题的主要内容..........................................................................................3第二章图像增强方法与原理....................................................................................52.1均值滤波的原理...........................................................................................52.1.1邻域平均法.......................................................................................52.1.2加权平均法......................................................................................62.2中值滤波的原理...........................................................................................62.3直方图均衡的原理......................................................................................72.4灰度变换原理..............................................................................................82.4.1线性灰度变换....................................................................................82.4.2分段线性灰度变换............................................................................82.4.3非线性变换.......................................................................................92.5频域滤波原理.............................................................................................102.6锐化原理....................................................................................................112.6.1梯度锐化........................................................................................112.6.2拉普拉斯算子..................................................................................112.6.3高通滤波........................................................................................12第三章图像增强算法与实现..................................................................................133.1均值滤波...................................................................................................133.2中值滤波....................................................................................................153.3直方图均衡................................................................................................173.4灰度变换...................................................................................................183.5频域滤波...................................................................................................203.6锐化..........................................................................................................21第四章总结及展望.................................................................................................234.1本文总结...................................................................................................234.2展望和计划...............................................................................................23致谢.....................................................................................................................24参考文献..................................................................................................................25附录源程序代码.....................................................................................................261第一章图像增强的基本理论1.1课题背景和意义信息通常是利用言语文字和视觉的接受等媒介进行传输的。根据在人们接收