20 thoughts on “OpenCV C++ on Linux Tutorial 1 – OpenCV 3.2 Installation on Ubuntu 16.04

  1. I'm new in the computer vision field, is it okay for example to do tracking on a virtual machine !? or better to do this on the host ? as I Installed Ubuntu on a virtual machine but my host is windows 10. so do u recommend to follow your video and use opencv on ubuntu or better to use it with windows ?

  2. For me the major problem with the install instructions on the opencv page is the lack of explanation of cmake parameters. This tutorial is good for explaining how to do a more complex install than the one specified on the opencv site.

  3. cmake -D CMAKE_BUILD_TYPE=RELEASE -D INSTALL_C_EXAMPLES=ON
    -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON
    -D WITH_QT=ON -D CMAKE_INSTALL_PREFIX=/usr/local
    -D WITH_OPENGL=ON -D WITH_V4L=ON -D WITH_CUDA=ON
    -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_TBB=ON ..

    at this step I was stuck. it is showing the error as follows

    CMake Error: The source directory "/home/jiteesh/Jiteesh/softwares/opencv/build/INSTALL_C_EXAMPLES=ON" does not exist.
    Specify –help for usage, or press the help button on the CMake GUI.
    jiteesh@jiteesh-Lenovo-G580:~/Jiteesh/softwares/opencv/build$ -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON
    -D: command not found
    jiteesh@jiteesh-Lenovo-G580:~/Jiteesh/softwares/opencv/build$ -D WITH_QT=ON -D CMAKE_INSTALL_PREFIX=/usr/local
    -D: command not found
    jiteesh@jiteesh-Lenovo-G580:~/Jiteesh/softwares/opencv/build$ -D WITH_OPENGL=ON -D WITH_V4L=ON -D WITH_CUDA=ON
    -D: command not found
    jiteesh@jiteesh-Lenovo-G580:~/Jiteesh/softwares/opencv/build$ -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_TBB=ON ..^C
    jiteesh@jiteesh-Lenovo-G580:~/Jiteesh/softwares/opencv/build$

    It would be great if you can help at this stage, Many thanks.

  4. Hi, I'm struggling with it for days, and now it seems that I'm close to the solution. Everything seems to work fine, but when I type the compilation code it shows an error message (sth like: pkg-config opencv –cflags –libs: File not found). If you have any guesses… thanks in advance.

  5. I'm new in Ubuntu and this Tutorial was Really Helpful, thanks a lot!
    It help me to understand more about how Ubuntu works, after go a little deeper in some aspects while I've followed the steps.

    Best Regards

  6. Hey Francesco, when I try to build the example I'm having a linker error
    "cannot find -lippicv"
    I did a fresh install of Ubuntu 16.04 and the only thing I have done on it so far is follow your tutorial

  7. Thanks for your video : )
    When I run 'unzip opencv.zip', there is no 'opencv-2.4.13' folder (or similar name folder).
    Plz help me …

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