OpenCV Face Detection With Visual Studio 2017

Installation

• Download lastest version of OpenCV for Win Pack : https://opencv.org/releases.html
• Extrat to C:\

• Create New Project

• Change to X64

• Click Project Properties

• Set to [C/C++]/[General]/[Additional Include Directories] -> "C:\opencv\build\include"

• Set to [Linker]/[General]/[Additional Library Directories] -> "C:\opencv\build\x64\vc15\lib"

• Set to [Linker]/[Input]/[Additional Dependencies] -> "opencv_world401d.lib"

• I took the test image from Link

Final

• cascade.detectMultiScale(gray, faces, 1.1, 3, CASCADE_SCALE_IMAGE, Size(30, 30));

• cascade.detectMultiScale(gray, faces, 1.1, 3, CASCADE_SCALE_IMAGE, Size(10, 10));