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@@ -10,3 +10,80 @@ python3 -m pip install pyserial || exit 1
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python3 -m pip install opencv-contrib-python || exit 1
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python3 -m pip install pillow || exit 1
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python3 -m pip install noise || exit 1
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+python3 -m pip install numpy || exit 1
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+
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+sudo apt-get install cmake gfortran \
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+ libjpeg-dev libtiff-dev libgif-dev \
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+ libavcodec-dev libavformat-dev libswscale-dev \
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+ libgtk2.0-dev libcanberra-gtk* \
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+ libxvidcore-dev libx264-dev libgtk-3-dev \
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+ libtbb2 libtbb-dev libdc1394-22-dev libv4l-dev \
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+ libopenblas-dev libatlas-base-dev libblas-dev \
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+ libjasper-dev liblapack-dev libhdf5-dev \
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+ protobuf-compiler -y
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+
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+cd ~/Downloads
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+
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+wget -O opencv.zip https://github.com/opencv/opencv/archive/4.5.0.zip
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+wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.5.0.zip
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+
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+unzip opencv.zip
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+unzip opencv_contrib.zip
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+
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+mv opencv-4.5.0 opencv
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+mv opencv_contrib-4.5.0 opencv_contrib
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+
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+cd opencv/
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+mkdir build
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+cd build
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+
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+cmake -D CMAKE_BUILD_TYPE=RELEASE \
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+ -D CMAKE_INSTALL_PREFIX=/usr/local \
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+ -D OPENCV_EXTRA_MODULES_PATH=~/Downloads/opencv_contrib/modules \
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+ -D ENABLE_NEON=ON \
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+ -D ENABLE_VFPV3=ON \
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+ -D WITH_OPENMP=ON \
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+ -D BUILD_TIFF=ON \
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+ -D WITH_FFMPEG=ON \
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+ -D WITH_TBB=ON \
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+ -D BUILD_TBB=ON \
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+ -D BUILD_TESTS=OFF \
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+ -D WITH_EIGEN=OFF \
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+ -D WITH_V4L=ON \
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+ -D WITH_LIBV4L=ON \
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+ -D WITH_VTK=OFF \
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+ -D WITH_QT=OFF \
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+ -D OPENCV_ENABLE_NONFREE=ON \
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+ -D INSTALL_C_EXAMPLES=OFF \
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+ -D INSTALL_PYTHON_EXAMPLES=OFF \
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+ -D BUILD_NEW_PYTHON_SUPPORT=ON \
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+ -D BUILD_opencv_python3=TRUE \
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+ -D OPENCV_GENERATE_PKGCONFIG=ON \
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+ -D BUILD_EXAMPLES=OFF ..
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+
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+# enlarge swapfile for building on raspi
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+
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+sudo cp /etc/dphys-swapfile /etc/dphys-swapfile.bak
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+echo "CONF_SWAPFILE=2048" | sudo tee /etc/dphys-swapfile
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+
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+sudo systemctl stop dphys-swapfile
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+sudo systemctl start dphys-swapfile
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+
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+# build opencv
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+
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+make -j4
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+sudo make install
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+
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+sudo ldconfig
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+make clean
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+sudo apt-get update
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+
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+cd ~/Downloads
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+rm opencv.zip
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+rm opencv_contrib.zip
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+
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+# restore swapfile
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+
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+sudo cp /etc/dphys-swapfile.bak /etc/dphys-swapfile
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+
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+echo "reboot to finish!"
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