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Setup Instructions

1. Install Ubuntu 20.04 LTS

2. Update Everything

  • Run the following commands in the terminal: 
    sudo apt-get update && sudo apt-get upgrade
  • Run the Software Updater.

3. Install Latest Qt

  • Use the command: 
    sudo apt-get install qtcreator

4. Install Git

  • Install Git with: 
    sudo apt-get install git

GPU Computing Setup

5. Install Nvidia Driver

  • Purge everything Nvidia related: 
    sudo apt purge nvidia-*
  • Add repository: 
    sudo add-apt-repository ppa:graphics/ppa
  • Update: 
    sudo apt-get update
  • Install driver: 
    sudo apt-get install nvidia-470

6. Reboot

7. Install OpenCV

  • Download OpenCV 4.5.5 from: https://github.com/opencv/opencv/archive/refs/tags/4.5.5.tar.gz
  • Create folder for LARS and cd: 
    mkdir ~/LARS_project && cd ~/LARS_project
  • Untar downloaded OpenCV: 
    tar -xcf ~/Downloads/opencv-4.5.5.tar.gz opencv-4.5.5
  • Download OpenCV contrib tools: 
    git clone https://github.com/opencv/opencv_contrib.git

Install Prerequisites:

  • Install necessary packages using the following commands: 
    sudo apt install --assume-yes build-essential cmake git pkg-config unzip ffmpeg qtbase5-dev python-dev python3-dev python-numpy python3-numpy
sudo apt install libhdf5-dev
sudo apt install --assume-yes libgtk-3-dev libdc1394-22 libdc1394-22-dev libjpeg-dev libpng-dev libtiff5-dev
sudo apt install --assume-yes libavcodec-dev libavformat-dev libswscale-dev libxine2-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
sudo apt install --assume-yes libv4l-dev libtbb-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev
sudo apt install --assume-yes libvorbis-dev libxvidcore-dev v4l-utils

Configure CMake:

  • Navigate and configure using cmake with the following steps: 
    cd ~/LARS_project/opencv-4.5.5
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_CUDA=ON -D WITH_CUBLAS=ON -D WITH_TBB=ON -D WITH_V4L=ON -D WITH_QT=ON -D WITH_OPENGL=ON -D BUILD_PERF_TESTS=OFF -D BUILD_TESTS=OFF -DCUDA_NVCC_FLAGS="-D_FORCE_INLINES" -DOPENCV_EXTRA_MODULES_PATH=~/ARK_project/opencv_contrib/modules -DCMAKE_SHARED_LINKER_FLAGS='-latomic' ..

Optional: If there are errors in compilation, use an older version of gcc and g++:

  • Install different versions and update system alternatives with the following commands: 
    sudo apt -y install gcc-7 g++-7 gcc-8 g++-8 gcc-9 g++-9
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 8
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 9
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 7
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 8
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 9
  • Switch to gcc-7 and g++-7 as needed.

Build and Install OpenCV:

  • Compile and install OpenCV with the commands: 
    make -j $(($(nproc) + 1))
sudo make install

8. Compile LARS

  • Follow these steps to compile and set up LARS:
    • Navigate to the LARS project directory: 
      cd ~/LARS_project
    • Clone the LARS Code: 
      git clone https://github.com/mohsen-raoufi/LARS.git
    • Open QT Creator and the project:
      • Open QT creator.
      • Open project and select CMakeList.txt (or .pro file) in the cloned directory of LARS.
      • Build and run.

9. Enjoy