環境:
opencv:4.0.1
opencv_contrib:4.0.1
使用git checkout獲得上述兩個版本即可,不要重復去下載壓縮包
ubuntu18.10

需要下載的東西:
ippicv_2017u2_lnx_intel64_20170418.tgz
boostdesc_binboost_064.i
face_landmark_model.dat
鏈接: https://pan.baidu.com/s/1xp9Xv2652hOD3BMoauMQGw 密碼: dohg

1.opencv和opencv_contrib放在"使用opencv"文件夾里

2.(root)
apt-get install build-essential
apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

mkdir opencv使用/opencv-3.3.0/build
mkdir ~/opencv

cp ippicv_2017u2_lnx_intel64_20170418.tgz ~/opencv
使用opencv/opencv/3rdparty/ippicv/ippicv.cmake注釋掉第47行,并且修改為:
“file://~/opencv/”

cp face_landmark_model.dat ~/opencv
使用opencv/opencv_contrib/modules/face/CMakeLists.txt注釋掉第19行,并且修改為:
“file:///home/appleyuchi/opencv/”
(這里似乎不能使用帶~的路徑)

cp boostdesc_binboost_064.i opencv使用/opencv_contrib/modules/xfeatures2d/src/
cd opencv-3.3.0/build
cmake -D CMAKE_INSTALL_PREFIX=~/opencv -D CMAKE_BUILD_TYPE=Release -D OPENCV_EXTRA_MODULES_PATH=…/…/opencv_contrib/modules …

make
變異的結果其實都在build這個文件夾里面,所以其實可以備份起來.
make install(不用root)
這個安裝的結果在CMAKE_INSTALL_PREFIX指定的文件夾/home/appleyuchi/opencv中

~/.bashrc中增加include的搜素路徑

CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/home/appleyuchi/opencv/include/opencv4/ C_INCLUDE_PATH=$C_INCLUDE_PATH:/home/appleyuchi/opencv/include/opencv4/ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/x86_64-linux-gnu:/home/appleyuchi/opencv/opencv_install/lib

總結

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