ubuntu16.04+opencv3.1安装

ubuntu16.04+opencv3.1安装

安装依赖项：

sudo apt-get install build-essential cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev

optional:

sudo apt-get install checkinstall yasm libtiff5-dev libjpeg-dev libjasper-dev libdc1394-22-dev libxine2-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils libeigen3-dev

1.进入opencv官网，选择opencv3.1版本：https://opencv.org/releases.html

2.将下载的压缩包移至指定位置解压，比如home下，终端执行：

cd opencv-3.1.0

mkdir build

cd build

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..

make -j8 

sudo make install

无报错，则结束

其中，opencv可能的报错

报错1：

CMake Error: The following variables are used in this project, but they are set to NOTFOUND.

Please set them or make sure they are set and tested correctly in the CMake files:

解决方法参考：https://blog.csdn.net/u014613745/article/details/78310916

报错2：

nvcc fatal   : Unsupported gpu architecture 'compute_11'

解决方法：

终端输入：

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_TIFF=ON -D BUILD_EXAMPLES=ON -D CUDA_GENERATION=Auto -D BUILD_NEW_PYTHON_SUPPORT=ON ..

报错3：

解决方法：

打开opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp文件，并修改：

#include "precomp.hpp"
#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER)

为：

#include "precomp.hpp"

#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER) || (CUDART_VERSION >= 8000)

如图为改后的

验证：

验证如下，则安装完成：

参考：

https://blog.csdn.net/jhszh418762259/article/details/52957495

https://blog.csdn.net/sysuwuhongpeng/article/details/45485719