Install OpenCV 2.4.* in Ubuntu

Install OpenCV 2.4.0
Install OpenCV 2.4.1
Install OpenCV 2.4.2
Install OpenCV 2.4.3
Install OpenCV 2.4.4
Install OpenCV 2.4.5

Remove any installed versions of ffmpeg and x264.

sudo apt-get remove remove ffmpeg x264 libx264-dev

Install all the dependencies.

sudo apt-get install libopencv-dev
sudo apt-get install build-essential checkinstall cmake pkg-config yasm
sudo apt-get install libtiff4-dev libjpeg-dev libjasper-dev
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev 
sudo apt-get install libdc1394-22-dev libxine-dev
sudo apt-get install libgstreamer0.10-dev 
sudo apt-get install libgstreamer-plugins-base0.10-dev 
sudo apt-get install libv4l-dev
sudo apt-get install python-dev python-numpy
sudo apt-get install libtbb-dev
sudo apt-get install libqt4-dev libgtk2.0-dev

Download the latest version ox x264 from x264 snapshots

tar -xvf x264-snapshot-version.tar.bz2
cd x264-snapshot-version/

If you are using 32 bit Linux

./configure --enable-static

If you’re using 64 bit Linux

./configure --enable-shared --enable-pic

Install it

make
sudo make install

Download the latest version of ffmpeg from ffmpeg Download.

tar -xvf ffmpeg-version.tar.bz2
cd ffmpeg-version/

If you’re using 32 bit Linux

./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab

If you’re using 64 bit Linux or ARM

./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-shared

Install it

make
sudo make install

Download the latest image of v4l from v4l-utils

tar -xvf v4l-version.tar.bz2
cd v4l-version
make
sudo make install

Download OpenCV 2.4.0
Download OpenCV 2.4.1
Download OpenCV 2.4.2
Download OpenCV 2.4.3

After downloading OpenCV 2.4.* package, untar it and make.

tar -xvf OpenCV-version.tar.bz2
cd OpenCV-version/
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE ..

Verify that the output of cmake includes the following text:

• found gstreamer-base-0.10
• GTK+ 2.x: YES
• FFMPEG: YES
• GStreamer: YES
• V4L/V4L2: Using libv4l

Build and Install OpenCV

make
sudo make install

OpenCV 2.4.* is now installed. Just make sure that all the libraries are linked properly.
Go to samples directory in OpenCV package.
Change directory to C or C++.
You’ll find a script there named build_all.sh.
Execute the script. It will make all the files. select any output file and run it. If it works then you are good to go.

sudo echo "/usr/local/lib" >> /etc/ld.so.conf
sudo ldconfig

Your OpenCV 2.4.* is installed and libraries are properly linked. If you don’t have much experience with OpenCV, I would suggest you to go through this post. http://jayrambhia.wordpress.com/2012/05/08/beginning-opencv/. It shows how to make a script so that you don’t need to add everything while compiling opencv codes.

P.S. My Python port of George Nebehay’s OpenTLD Version is almost ready.

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