Posts Tagged ‘opencv’

Yet Another OpenCV/Karmic error – symbol lookup error: /usr/local/lib/libhighgui.so.4

In: Ubuntu

4 Feb 2010

symbol lookup error: /usr/local/lib/libhighgui.so.4: undefined symbol: av_free_packet
To fix it simply make sure /usr/local/lib is in your library path by using the following command:
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

HowTo: Install OpenCV in Ubuntu Karmic (9.10)

In: Linux| Software| Ubuntu

2 Dec 2009

Yesterday I was having trouble installing OpenCV on Ubuntu Karmic, but now it’s compiled and loading programs with GUI’s .
Heres how I got it installed:
First install some needed packages
sudo apt-get install build-essential libgtk2.0-dev
Now you need to grab FFmpeg for the install to work
svn checkout svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg
The svn didn’t work for [...]

Problems Installing OpenCV in Ubuntu Karmic (9.10)

In: Linux| Software| Ubuntu

1 Dec 2009

UPDATE
I now have it working and wrote a guide of how I got it to work -
http://alexsleat.com/2009/12/02/howto-install-opencv-in-ubuntu-karmic-9-10/
END UPDATE
I found a great guide on getting OpenCV to install on Ubuntu Karmic (9.10) – http://ivkin.net/2009/11/installing-opencv-2-0-on-ubuntu-9-10-karmic-koala/
Most the comments show the guide works however I have a couple of problems:
Firstly when reloading the libraries to make opencv show up
ldconfig [...]


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Hi, my name is Alex Sleat. On this site I will share my thoughts, ideas, things I find online and projects I'm doing at university or at home. I am currently studying Robotics BSc at the University of the West of England (UWE). I'm intrested in all things tech, web, gadgets, gaming, films and baseball.

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