ubuntu安装opencv的方法

ubuntu安装opencv的方法主要有两种:python

  1. apt-get方式
  2. 源代码方式

第一种方式安装的opencv版本通常较低,且不包含ffmpeg解码等高级功能,若要用到ffmpeg必需要从源码进行安装。c++

第一种方式直接输入命令git

sudo apt-get update
sudo apt-get install libcv-dev

第二种方式从源代码进行安装,输入如下指令github

sudo apt-get install cmake
sudo apt-get install python-devel numpy
sudo apt-get install gcc gcc-c++

sudo apt-get install gtk2-devel
sudo apt-get install libv4l-devel
sudo apt-get install ffmpeg-devel
sudo apt-get install gstreamer-plugins-base-devel

sudo apt-get install libpng-devel
sudo apt-get install libjpeg-turbo-devel
sudo apt-get install jasper-devel
sudo apt-get install openexr-devel
sudo apt-get install libtiff-devel
sudo apt-get install libwebp-devel

sudo apt-get install git
git clone https://github.com/opencv/opencv.git

mkdir build
cd build

cmake ../

make
sudo make install

import cv2 as cv
print(cv.__version__)

若出现编译报错,通常能够在opencv的github仓库issue中找到解决方案。web

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