Next, you need to configure some OpenCV compilation environments.
After sudo make install is executed, the OpenCV compilation process ends. Execute commands, a long compilation process sudo makeĩ. Note: if you have compiled in a new folder, but there will be previous errors, delete cmakecache.txt and compile again.ĭuring this period, you may download something. cmake cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local. If not, you will be prompted (as shown in the figure below) After installing cmake, execute the command to create a compilation folder. Sudo apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev v v libswscale-dev libjasper-devĥ. If you are reminded that apt get update is required, first sudo su enter the root permission, then sudo apt get update, and then execute the following command sudo apt-get install cmake Install the dependency library and cmake. Unzip the downloaded zip package unzip opencv-3.4.15.zipĤ. The configuration methods of other versions are similar.ĭownload link Releases - OpenCV, select the sources versionĢ. Go to the official website to download opencv. Sudo rm -r /usr/local/include/opencv2 /usr/local/include/opencv /usr/include/opencv /usr/include/opencv2 /usr/local/share/opencv /usr/local/share/OpenCV /usr/share/opencv /usr/share/OpenCV /usr/local/bin/opencv* /usr/local/lib/libopencv* sudo apt-get autoremove opencv-doc opencv-data libopencv-dev libopencv2.4-java libopencv2.4-jni python-opencv libopencv-core2.4 libopencv-gpu2.4 libopencv-ts2.4 libopencv-photo2.4 libopencv-contrib2.4 libopencv-imgproc2.4 libopencv-superres2.4 libopencv-stitching2.4 libopencv-ocl2.4 libopencv-legacy2.4 libopencv-ml2.4 libopencv-video2.4 libopencv-videostab2.4 libopencv-objdetect2.4 libopencv-calib3d2.4 opencv installationġ. View the installed opencv version number pkg-config -modversion opencv
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