下载 opencv_python-3.1.0-cp34-cp34m-win_amd64.whl 包后 使用pip install安装 出错:

环境：windows7专业版 64bit anaconda(py3.4)

你先升级你的pip，另外看看你的版本是否匹配，包括py版本和32位64位。另外，说opencv不支持py3的，请看这里：

$ sudo pip install opencv-python
$ sudo pip install opencv-contrib-python

参考下：

python作业毕设：安装人工智慧图像处理工具OpenCV?

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python版本安装适合所有平台：$ sudo pip install opencv-python $ sudo pip install opencv-contrib-pythonWindows

https://sourceforge.net/projects/opencvlibrary/ 下载对应的exe安装即可。

macOS Xbrew install opencv --with-tbb --with-opengl安装OpenCV依赖$ sudo apt-get update $ sudo apt-get upgrade # 开发工具 $ sudo apt-get install build-essential cmake unzip pkg-config # 图形库 $ sudo apt-get install libjpeg-dev libpng-dev libtiff-dev # 视频库 $ sudo apt-get install libjpeg-dev libpng-dev libtiff-dev $ sudo apt-get install libxvidcore-dev libx264-dev # GTK $ sudo apt-get install libgtk-3-dev # 其他 $ sudo apt-get install libatlas-base-dev gfortran # python头文件 $ sudo apt-get install python3-dev下载$ cd ~ $ wget -O opencv.zip https://github.com/opencv/opencv/archive/3.4.1.zip $ wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/3.4.1.zip $ unzip opencv.zip $ unzip opencv_contrib.zip官方安装文档

上图的右上角的"OpenCV"旁边可以看到最新的版本号。如果你要使用opencv3.4.3，修改https://github.com/opencv/opencv/archive/3.4.1.zip 为https://github.com/opencv/opencv/archive/3.4.3.zip 即可。安装$ mkdir build $ cd build $ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.0/modules -DOPENCV_ENABLE_NONFREE=True $ sudo make install $ export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH $ sudo ldconfig2.4.13 ubuntu 14.04# install dependencies sudo apt-get update sudo apt-get install -y build-essential sudo apt-get install -y cmake sudo apt-get install -y libgtk2.0-dev sudo apt-get install -y pkg-config sudo apt-get install -y python-numpy python-dev sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev sudo apt-get install -y libjpeg-dev libpng-dev libtiff-dev libjasper-dev sudo apt-get -qq install libopencv-dev build-essential checkinstall cmake pkg-config yasm libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils # download opencv-2.4.13 wget http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/2.4.13/opencv-2.4.13.zip unzip opencv-2.4.13.zip cd opencv-2.4.13 mkdir release cd release # compile and install cmake -G "Unix Makefiles" -D CMAKE_CXX_COMPILER=/usr/bin/g++ CMAKE_C_COMPILER=/usr/bin/gcc -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON -D BUILD_FAT_JAVA_LIB=ON -D INSTALL_TO_MANGLED_PATHS=ON -D INSTALL_CREATE_DISTRIB=ON -D INSTALL_TESTS=ON -D ENABLE_FAST_MATH=ON -D WITH_IMAGEIO=ON -D BUILD_SHARED_LIBS=OFF -D WITH_GSTREAMER=ON -DBUILD_TIFF=ON .. make all -j8 # 8 cores sudo make install参考资料
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FAQ

  • qmake

qmake: could not exec /usr/lib/x86_64-linux-gnu/qt4/bin/qmake: No such file or directory 解决：sudo apt-get install qt-sdk 参考：https://stackoverflow.com/questions/23703864/cmake-not-working-could-not-exec-qmake

  • In-source builds are not allowed」 in cmake

mkdir my_build_dir cd my_build_dir rm ../CMakeCache.txt cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/home/jinha/OCV/source

欢迎点赞，关注，谢谢雪峰磁针石?

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看报错信息是下载的whl文件和你操作系统/cpu指令集不匹配，另，在哪下的，求个链接，只找到python2的cv

或者安装非官方的opencv-python（包含cv2）我是python3.6 anaconda

支持2.7 3.4 3.5 3.6

下载后修改文件名（这就是安装中的坑了，不改是安不了的）：

把原来文件名opencv_python-3.1.0-cp34-cp34m-win_amd64.whl中间的cp34m变为none，这样文件名改为：opencv_python-3.1.0-cp34-none-win_amd64.whl

如果不改的话不然会出现：

opencv_python-3.1.0-cp34-cp34m-win_amd64.whl is not a supported wheel on this platform.

终于成功了。。来分享一下经验

首先版本一定要下对啊！！文件名opencv_python-3.1.0-cp34-cp34m-win_amd64.whl中的cp34才是对应的python版本3.4啊！！ 3.1.0并不是的！！连文件都下错了当然安不上了

然后按照楼上改文件名，pip install就好了

看到有人求链接https://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv

可以不用pip。把whl改成zip，解压，看到里面有个文件夹一堆dll，文件夹文件全部 复制到python的package里。亲测可用，不过实践中有个函数会报错，不知怎么回事。另外，升级pip方式：pip install --upgrade pip
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