14、zedboard 7020 编译Opencv3.4+Opencv_contrib3.4

基本问题描述：因为希望使用opencv 附加库的DNN 模块，搞一下深度学习的内容，因为上一篇博客已经自己制作了一个debain系统在zynq7020上，因此在该系统上编译opencv3.4 上，编译过程如下：

1、安装附加库

sudo apt-get install build-essential cmake git pkg-config
sudo apt-get install libjpeg8-dev 
sudo apt-get install libtiff5-dev 
sudo apt-get install libjasper-dev
sudo apt-get install libpng12-dev 
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get install libgtk2.0-dev
sudo apt-get install python-dev python3-dev
sudo apt-get install python-numpy python3-numpy

2、下载opencv3.4 的源码和附件库（直接git下载即可）

因为git 之后的opencv 仍然需要安装下载一些东西，因此我提供一份已经下载之后，存在错误修改过之后的源码

opencv3.4 链接：https://pan.baidu.com/s/18rR4GGDvBEFCGpXRdsNmKA 密码：n0x4

opencv_contribu3.4 链接：https://pan.baidu.com/s/1cDv7QenVuj5H9n8kRJq0CQ 密码：92r3

3、进入目录进行编译编译产生 python3 的so文件

cmake -D BUILD_opencv_python3=YES -D BUILD_opencv_python2=NO -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_LIBV4L=ON -D WITH_GTK=ON -D PYTHON3_EXECUTABLE=/usr/bin/python3 -D PYTHON_INCLUDE_DIR=/usr/include/python3.5 -D PYTHON_LIBARARY=/usr/lib/python3.5/config-3.5m-arm-linux-gnueabihf/libpython3.5m.so -D PYTHON3_NUMPY_INCLUDE_DIRS=/usr/local/lib/python3.5/dist-packages/numpy/core/include -D ENABLE_PRECOMPILED_HEADERS=ON -D OPENCV_ENABLE_NONFREE=ON -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.4/modules/ ..

4、编译成功

make
sudo make install

5、成功的显示

debain@debian:~/opencv-3.4.4/build/lib/python3$ ls
cv2.cpython-35m-arm-linux-gnueabihf.so
debain@debian:~/opencv-3.4.4/build/lib/python3$

6、移动文件

debain@debian:~/opencv-3.4.4/build/lib/python3$ sudo cp cv2.cpython-35m-arm-linux-gnueabihf.so /usr/local/lib/python3.5/dist-packages/
debain@debian:~/opencv-3.4.4/build/lib/python3$ sudo ldconfig
debain@debian:~/opencv-3.4.4/build/lib/python3$ python3
Python 3.5.3 (default, Sep 27 2018, 17:25:39) 
[GCC 6.3.0 20170516] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import cv2
>>>

如果你要使用python2 也可以调用opencv cmake命令改成这个即可

 cmake -D BUILD_opencv_python3=NO -D BUILD_opencv_python2=YES -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_LIBV4L=ON -D WITH_GTK=ON -D PYTHON3_EXECUTABLE=/usr/bin/python2 -D PYTHON_INCLUDE_DIR=/usr/include/python2.7 -D PYTHON_LIBARARY=/usr/lib/python2.7/config-arm-linux-gnueabihf/libpython2.7m.so -D PYTHON_NUMPY_INCLUDE_DIRS=/usr/local/lib/python2.7/dist-packages/numpy/core/include -D ENABLE_PRECOMPILED_HEADERS=ON -D OPENCV_ENABLE_NONFREE=ON -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.4/modules/ ..

其它命令参考类同

14、zedboard 7020 编译Opencv3.4+Opencv_contrib3.4

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