ubuntu 编译opencv

在Ubuntu上编译OpenCV，您可以按照以下步骤进行操作。

首先，确保您的Ubuntu版本至少是18.04。然后，安装必要的编译环境和依赖项。使用以下命令安装gcc、g++、cmake、wget和unzip：

sudo apt-get install gcc g++ cmake wget unzip

接下来，安装OpenCV的依赖项。使用以下命令安装所需的库：

sudo apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev libjpeg-dev libswscale-dev libtiff5-dev libgtk2.0-dev pkg-config

完成安装后，您可以开始编译OpenCV。您可以使用您引用的两个示例编译命令之一。请注意，这些命令假定您已经下载了OpenCV源代码并将其解压到指定的路径：

g++ main.cpp -std=c++11 -I /home/ljy/Desktop/opencv/install/include/opencv4/ -L /home/ljy/Desktop/opencv/install/lib/ -lopencv_stitching -lopencv_objdetect -lopencv_calib3d -lopencv_features2d -lopencv_highgui -lopencv_videoio -lopencv_imgcodecs -lopencv_video -lopencv_photo -lopencv_ml -lopencv_imgproc -lopencv_flann -lopencv_core

或者

g++ main.cpp -std=c++11 -I /home/lhy/Desktop/opencv-master/install/include/opencv4/ -L /home/lhy/Desktop/opencv-master/install/lib/ -lopencv_stitching -lopencv_objdetect -lopencv_calib3d -lopencv_features2d -lopencv_highgui -lopencv_videoio -lopencv_imgcodecs -lopencv_video -lopencv_photo -lopencv_ml -lopencv_imgproc -lopencv_flann -lopencv_core

这些命令将编译名为main.cpp的源代码文件，并链接所需的OpenCV库。请确保您的源代码文件名正确，并且库的路径与您的实际安装路径匹配。编译成功后，您将获得一个可执行文件。

希望这可以帮助您在Ubuntu上成功编译OpenCV！<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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