Ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法
<p>首先,由于本人使用了ros,因此在安装ros的时候安装了ros-indigo-destop-full顺便安装了版本2.4.8的opencv,因为ros里面的一些文件需要依赖于该版本的opencv,例如cv_bridge和image_pipeline。所以卸掉opencv2.4.8再装opencv3.3(因为有些代码需要用到opencv3)貌似不明智。故我们在原有的opencv2.4.8的版本基础上安装opencv3.3,因此这里涉及到了ubuntu多版本opencv共存问题。</p>
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之前安装了cuda,在编译的时候出现了和cuda相关的错误,需要将几个选项关闭。</p>
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<span><strong>使用命令查看当前的opencv版本:</strong></span></p>
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<code class="xhtml plain">pkg-config --modversion opencv</code>
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而我的系统自带的是opencv-2.4.8</p>
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<span><strong>安装opencv3.3</strong></span></p>
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–首先下载新版本的opencv安装包(建议下载新版本 尝试了3.1和3.2的版本,还要安装一些其他的依赖),在这里我下载的是,之后解压,安装opencv的依赖项</p>
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<code class="xhtml plain">sudo apt-get install build-essential libgtk2.0-dev libvtk5-dev libjpeg-dev libtiff4-dev libjasper-dev libopenexr-dev libtbb-dev</code>
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<strong>进入解压后的opencv安装包,新建目录,目录名为build,并进入该目录</strong></p>
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<code class="xhtml plain">mkdir build && cd build</code>
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<strong>输入命令</strong></p>
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<code class="xhtml plain">sudo mkdir -r /usr/local/opencv331</code>
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<code class="xhtml plain">cmake -d cmake_build_type=release -d with_tbb=on -d with_v4l=on -d with_cublas=0 -d with_cuda=0 -d with_cufft=0 -d cmake_install_prefix=/usr/local/opencv331 .. </code>
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<code class="xhtml plain">make </code>
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<code class="xhtml plain">sudo make install</code>
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在这里,opencv3.3的安装目录放在了/usr/local/opencv331文件夹,同时注释了和cuda相关的部分(当前安装的cuda7.5,在编译的时候编译不过去 )</p>
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紧接着需要配置下文件,通过修改bashrc文件来设置pkg_ config_path(后来发现好像还需要改一下ld_library_path)<引用></p>
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<code class="xhtml plain">sudo gedit ~/.bashrc</code>
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<strong>在文件末尾加上</strong></p>
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<code class="xhtml plain">export pkg_config_path=/usr/local/opencv331/lib/pkgconfig </code>
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<code class="xhtml plain">export ld_library_path=/usr/local/opencv331/lib</code>
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<strong>保存之后,再使用命令</strong></p>
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<code class="xhtml plain">source ~/.bashrc</code>
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<strong>这时候使用命令,opencv版本已经变成3.3了</strong></p>
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<code class="xhtml plain">pkg-config --modversion opencv</code>
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<img style="max-width:100%!important;height:auto!important;"title="Ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法" alt="Ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法" src="https://zhuji.jb51.net/uploads/img/202305/3d0f5b44953023daa070a2428522d411.jpg"></p>
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<span><strong>配置</strong></span></p>
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当你使用的是cmake工具时,在cmakelists.txt中加入路径即可使用opencv3.3,如下图:</p>
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<img style="max-width:100%!important;height:auto!important;"title="Ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法" alt="Ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法" src="https://zhuji.jb51.net/uploads/img/202305/4e28b9c9a39953952f9c6c27aea88a32.jpg"></p>
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当你想返回使用opencv2时,将find_package(opencv 3.3 required )换成find_package(opencv required )即可,并将该代码上面一行和下面俩行删除即可。</p>
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以上这篇ubuntu14.04 opencv2.4.8和opencv3.3.1多版本共存的实现方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。</p>
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原文链接:http://blog.csdn.net/qq_37058315/article/details/78879943</p>
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