OpenCV 在mac下的安裝以及在Xcode中的配置

1. app store下載xcodelinux

2. OpenCV 官網下載OpenCV for linux/macios

3.安裝homebrewc++

4.命令行使用brew install cmake 安裝cmakexcode

5.cd 到opencv解壓後的文件夾,在命令行依次執行如下命令:app

mkdir build
cd build
cmake -G "Unix Makefiles" ..
make
sudo make install
至此opencv安裝完畢
 
進入xcode新建命令行mac ox程序,使用c++語言
1.在項目build setting視窗中搜索 search path 修改如下項目
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視窗中搜索 other linker flags
輸入  -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偏好設置中Location->advanced,把  Unique 改成  Legacy.
4.在項目中新建一個文件夾,選"Add files to ...",按 command+shift+g 輸入路徑 /usr/local/lib,把全部lib文件加入
5.完成!能夠用如下代碼測試,測試的圖片路徑本身修改:
#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[1];
    }
    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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