改变图像的对比度和亮度

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1、XX工业大学OpenCV实验报告学号：101001116姓名：王兵指导老师：X建伟完成时间：2013/9/11改变图像的对比度和亮度一、实验目标:•访问像素值•用。初始化矩阵•学习saturatecast二、实验原理：对图片中每个像素点的值进行变换，其变换公式为：g(i,j)=contrastf(i,j)+brightness.其中g(i,j)为变换后第i行第j列像素点值，为变换前对应点的值。三、实验环境：Opencv:2.3.1版本MicrosoftVisualStudio2008(简称：vs2008)OS：WinXP位系统。四、实

2、验步骤：1.新建工程，命名为：addTwoImages.2.编写代码(参考附录中的源代码)3.选择SolutionExplorer里的opencvhello项目，点击鼠标右键，选Properties：在［器LINKER］的［输入INPUT］中，为项目的Debug配置增力口［附加依赖项AdditionalDependencies］：opencv_calib3d231d.libopencv_contrib23ld.libopencv_core231d.libopencv_features2d23Id.libopencv_flann231d

3、.libopencv_gpu231d.libopencv_higligiii23ld.lib;opencv_imgproc23ld.libopencv_legacy23ld.libopencv_nil23ld.libopencv__objdetect231d.libopencv_ts23ld.libopencv_video23ld.lib1.单击，右键项目名称：按Rebuild。如果在控制台出现如下代码则程序正确，通过调试。1>RebuildAllstarted:Project:twolmages,Configuration:Debu

4、gWin32l>Delctingintermediateandoutputfilesforproject'twolmagcs,configurationDebugWin32,l>piling...l>stdafx.cppl>piling...1>twolniages.cppl>d:opcvopencvbuildmyinstallincludeopencv2flannlogger.h(66):warningC4996:'fopen:Thisfunctionorvariablemaybeunsafe.Considerus

5、ingfopen.sinstead.Todisabledeprecation,use_CRT_SECURE_NO_WARNINGS.Seeonlinehelpfordetails.1>d:vs2008vcincludestdio.h(237):seedeclarationof'fopen,l>d:opcvopencvbuildmyinstallincludeopencv2flannflann.hpp(233):warningC4996:'cv::flann二Indux_vT>':wasdeclareddepr

6、ecated1>d:opcvopencvbuildmyinstallincludeopencv2flannflann.hpp(278):seereferencetoclasstemplateinstantiation'cv::flann::Index_'beingpiledl>pilingmanifesttoresources...l>Microsoft(R)Windows(R)ResourcepilerVersion6.0.5724.0l>Copyriglit(C)MicrosoftCorporation.A

7、llrightsreserved.l>Linldng...1>LINK:D:vsprojecttwohnAgusDubugtwoImagus.uxunotfoundornotbuiltbytilelastincrementallink;performingfulllinlEmbeddingmanifest...l>Microsoft(R)Windows(R)ResourcepilerVersion6.0.5724.0l>Copyriglit(C)MicrosoftCorporation.Allrightsreserved

8、.1>Buildlogwassavedat"包u:〃d:vsprojucttwoImagcstwoIinAgusDcbugBuildLog.htm”l>twolniages-0error(s),2warning