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Install OpenCV 300 in Mac OS X Yosemite El Capitan

Hi! welcome to a new tutorial of the opencv moments channel. This one is for all of you Mac developers. You will learn how to install OpenCV 3 in OS X Yosemite. The process is quite straight forward and it consists of only 4 steps. 1. Install the latest version of Xcode, if you havent done it before. Xcode is a suit of software developed by Apple for developing software for OS X and iOS.

2. install cmake, if you havent done it before. make is a crossplatform, free and opensore software for managing the build process of software using a compilerindependent method. 3. Download OpenCV source code 4. Build and install OpenCV So, lets go for it. If you havent installed Xcode yet, go tho the App Store and search.

For it. it is for free so simply click the get button and install app. you will be requested to enter your App Store credentials and once you do it, the download will start. After the installation is complete go ahead and start Xcode for the first time, so the set up process can finish. It is very important to start Xcode at least once before proceeding with the next steps.

Once the xcode set up is complete you will see a welcome screen. good job, xcode is installed in your computer. Next, you will install CMake, if you havent done it before. There are several ways to do it. But the most direct is to download and install it from cmake . So, start your web browser and point it to cmake , then follow the download link on the top right side of the page and select the .dmg file for the Mac OS X 10.6 or later.

After the download process is complete, open the downloaded file, review the license agreement and click the Agree button. Now drag the CMake icon to the Applications folder and thats it. You have CMake in your system. Now is the time to download OpenCVs source code, point your browser to opencv go to the Latest Downloads area on the right side of the screen and click the OpenCV for Linux/Mac link. The download process will start.

After the download is over, open the folder that contains the source code of opencv, go ahead and create a new folder named build. There is where we will build all the code. Next, open CMake, as it comes from an unidentified developer you might need to confirm that you want to open the program, depending on your OS X configuration. On the Where is the source code field enter the path to OpenCVs source code that you just downloaded.

On the field where to build the binaries enter the path to the build folder that you just created and hit the Configure button. On the Specify the generator for this project dialog, select Unix Makefiles, mark Use default native compilers and click Done. This will configure the settings that you need to compile the source code. For the purpose of this tutorial the default settings are going to be used, so no need.

To change any. if you have any special feature of the library that you want to use, go ahead and do any changes you need. But you are on your own here! Now click the Generate button and when CMake is done generating files, you can close it Next, open a terminal and cd to the build folder that you created before. If you do ls you will see a bunch of files. Just type make to start the compilation.

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