ubuntu 16.04 python3 opencv 3.4 설치

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기존 설치된 패키지 업데이트

sudo apt-get update
sudo apt-get upgrade

설치에 필요한 프로그램 설치

sudo apt-get install build-essential cmake pkg-config libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev libavcodec-dev libavformat-dev libswscale-dev libxvidcore-dev libx264-dev libxine2-dev libv4l-dev v4l-utils libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libqt4-dev mesa-utils libgl1-mesa-dri libqt4-opengl-dev libatlas-base-dev gfortran libeigen3-dev python2.7-dev python3-dev python-numpy python3-numpy

OpenCV 설치

opencv 다운

mkdir opencv && cd opencv
wget -O opencv.zip https://github.com/Itseez/opencv/archive/3.4.2.zip && unzip opencv.zip
wget -O opencv_contrib.zip https://github.com/Itseez/opencv_contrib/archive/3.4.2.zip&&unzip opencv_contrib.zip
rm -rf opencv.zip opencv_contrib.zip

opencv 빌드

cd opencv-3.4.2
mkdir build && cd build

cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D WITH_TBB=OFF \
-D WITH_IPP=OFF \
-D WITH_1394=OFF \
-D BUILD_WITH_DEBUG_INFO=OFF \
-D BUILD_DOCS=OFF \
-D INSTALL_C_EXAMPLES=ON \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D BUILD_EXAMPLES=OFF \
-D BUILD_TESTS=OFF \
-D BUILD_PERF_TESTS=OFF \
-D WITH_QT=ON \
-D WITH_OPENGL=ON \
-D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.2/modules \
-D WITH_V4L=ON  \
-D WITH_FFMPEG=ON \
-D WITH_XINE=ON \
-D BUILD_NEW_PYTHON_SUPPORT=ON \
../

컴파일을 한다 밑의 4는 예시일뿐 본인의 코어수를 입력하면 된다.

make -j4

모든코어를 이용할시에는

make -j $(nproc)

컴파일이 완료되면 아래의 명령어로 설치

sudo make install