Machine vision series 3:vs2019 opencv environment configuration

List of articles

Chapter one ：Visual Studio 2019 Dynamic link library DLL establish

Chapter two ：VS Dynamic link library DLL debugging

The third chapter ：VS2019 OpenCV Environment configuration

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Catalog

List of articles

Preface

One 、OpenCV download ？

Two 、 Environment variable Settings

3、 ... and 、VS Project property configuration

1. Property Manager

2. Configure property sheet

2.1 VC++ Catalog

 2.2 The linker —— Input

3. The new project loads the properties document

summary

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Preface

Environmental Science ：visual studio 2019;OpenCV4.5.5

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One 、OpenCV download ？

Official website ——Library——Releases—— Corresponding version Sources download , Then install

Home - OpenCV

Two 、 Environment variable Settings

My computer —— attribute —— Advanced system setup —— environment variable ——Path——OpenCV route

E:\Program Files (x86)\env\opencv4_5_5\build\x64\vc15\bin

  If you do not set the environment variable, you need to set the corresponding DLL Put it in the compilation path of the solution , Add environment variables directly without considering publishing suggestions .

Put the path opencv4_5_5\build\x64\vc15\bin Medium .dll Copied to the Debug Directory

3、 ... and 、VS Project property configuration

1. Property Manager

Configure with property manager , Will generate a .props file , The next new project can be imported directly , No need to reconfigure .

View —— Properties window , Open the property manager , Right click Debug or Release Add new project property sheet

Set the file name and save address , For the next project, you can add the existing property sheet and use it directly .

2. Configure property sheet

2.1 VC++ Catalog

Contains the directory —— add to OpenCV In the installation path include and include\opencv2

The library catalog ——OpenCV In the installation directory x64\vc15\lib

 2.2 The linker —— Input

Additional dependency —— write in x64\vc15\lib Medium .lib file

（ notes ：OpenCV4 Don't put it at the same time Debug and Release Two , Will report a mistake Debug——opencv_world455d.lib）

3. The new project loads the properties document

In property manager , Right click in the corresponding mode to add an existing property sheet . Property Manager ——Debug—— Add an existing property sheet

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summary

Property manager can manage property files . There is no need to reconfigure every project