UBUNTU18.04 装OPENCV3.2.0

下载地址：

https://github.com/opencv/opencv/archive/3.2.0.zip
https://github.com/opencv/opencv_contrib/archive/3.2.0.zip

参考地址：

https://blog.csdn.net/hiram_zhang/article/details/103467737

https://www.cnblogs.com/RichardYao/archive/2018/11/03/9900268.html

1、依赖项

sudo apt-get install build-essential 
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

上面命令执行会报错，错误说libjaster-dev无法安装，解决办法如下：

sudo add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main"
sudo apt update
sudo apt install libjasper1 libjasper-dev

1、依赖项：

sudo apt-get install build-essential
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev # 处理图像所需的包
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev liblapacke-dev
sudo apt-get install libxvidcore-dev libx264-dev # 处理视频所需的包
sudo apt-get install libatlas-base-dev gfortran # 优化opencv功能
sudo apt-get install ffmpeg

2、对于 ippicv_linux_20151201.tgz 下载过慢问题

https://blog.csdn.net/u013468614/article/details/103381002

3、出现问题：
CUDA_nppi_LIBRARY (ADVANCED)
解决：

版本切换
https://www.cnblogs.com/xiangdongBig1/p/12091980.html