OpenCV 在mac下的安装以及在Xcode中的配置
1. app store下载xcode2. OpenCV 官网下载OpenCV for linux/mac
3.安装homebrew
4.命令行使用brew install cmake 安装cmake
5.cd 到opencv解压后的文件夹，在命令行依次执行以下命令：
mkdir build
cd build
cmake -G "Unix Makefiles" ..
make
sudo make install
至此opencv安装完毕
进入xcode新建命令行mac ox程序，使用c++语言
1.在项目build setting视窗中搜索 search path 修改以下项目
Always search User paths : true
Framework search path: /usr/local/lib
Header Search Paths ：/usr/local/include
Library Search Paths ： /usr/local/lib
2.build setting视窗中搜索 other linker flags
输入 -lopencv_calib3d -lopencv_core -lopencv_features2d -lopencv_flann -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_shape -lopencv_stitching -lopencv_superres -lopencv_ts -lopencv_video -lopencv_videoio -lopencv_videostab
3.在Xcode偏好设置中Location->advanced，把 Unique 改为 Legacy.
4.在项目中新建一个文件夹，选"Add files to ..."，按 command+shift+g 输入路径 /usr/local/lib，把所有lib文件加入
5.完成！可以用以下代码测试，测试的图片路径自己修改：
#include <opencv2/core/core.hpp>
#include <opencv2/imgcodecs.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <iostream>
#include <string>
using namespace cv;
using namespace std;
int main( int argc, char** argv )
{
string imageName("/Users/isware/Documents/MATLAB/Walrus_001.jpg"); // by default
if( argc > 1)
{
imageName = argv;
}
Mat image;
image = imread(imageName.c_str(), IMREAD_COLOR); // Read the file
if( image.empty() ) // Check for invalid input
{
cout <<"Could not open or find the image" << std::endl ;
return -1;
}
namedWindow( "Display window", WINDOW_AUTOSIZE ); // Create a window for display.
imshow( "Display window", image ); // Show our image inside it.
waitKey(0); // Wait for a keystroke in the window
return 0;
}
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