How to install opencv? Opencv download installation tutorial

OpenCV It's based on BSD The license ( Open source ) Distributed cross-platform computer vision library , Can run in Linux、Windows、Android and Mac OS On the operating system . Let's introduce OpenCV How to download and install .

opencv How to install ？

Software preparation

step 1： Download on official website OpenCV Installation package , Because the server is abroad , You can also download through the cloud disk link shared by netizens

step 2： Open installation package , Select a path and click “Extract”

step 3：Visual Studio 2017 You can download the free community version directly from the Microsoft official website .

OpenCV Environment configuration of

step 1： Click on “ This computer ”, The right choice “ attribute ”

step 2： Click on “ Advanced system setup ”

  step 3： choice “ environment variable ”

  step 4： Choose “Path” Click on “ edit ”

step 5： Click on “ Edit text ”

step 6： Add... At the end “C:\opencv\build\x64\vc14\bin;” Click on “ determine ”, Then log off the computer before it takes effect

Visual Studio Configuration on

step 1： First, create a new one “Windows Console Application ” Project

step 2： find “ View ”->“ Other windows ”->“ Property Manager ”

step 3： Choose “Debug | x64” Under the “Microsoft.Cpp.x64.user ”, Right click on the “ attribute ”

step 4： Click on “VC++”, Choose “ Contains the directory ” Click the triangle Icon , find “ edit ”

step 5： Add the following path ( It depends on your installation position )：

C:\opencv\build\include\opencv2

C:\opencv\build\include\opencv

C:\opencv\build\include

And then click “ determine ”

step 6： Click on “VC++”, Choose “ The library catalog ” Click the triangle Icon , find “ edit ”

step 7： Add the following path ( It depends on your installation position )：

C:\opencv\build\x64\vc14\lib

And then click “ determine ”

step 8： find “ The linker ”->“ Input ” Under the “ Additional dependency ” Click on “ edit ”

step 9： Add the following information ：

opencv_world340.lib

opencv_world340d.lib

And then click “ determine ”

step 10： find “ The linker ”->“ routine ” Under the “ Additional Library Directory ”, Click edit 、

step 11： Add the following path ( It depends on your installation position )：

C:\opencv\build\x64\vc14\lib

And then click “ determine ”

step 12： Here is a code to test whether the configuration is successful ：

#include

#include

#include

using namespace cv;

int main()

{

// Read in a picture ( The original picture of the game )

Mat img = imread("pic.jpg");

// Create a file called " The original picture of the game " window

namedWindow(" The original picture of the game ");

// Display the original game picture in the window

imshow(" The original picture of the game ", img);

// wait for 6000 ms The back window closes automatically

waitKey(6000);

}

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