Time lapse and stabilising a sequence of images (GStreamer Conference 2011)
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By Guillaume Emont. ...
By Guillaume Emont.
The topic for this talk was encountered when trying to make a time lapse film with a camera attached to a tethered helium balloon high above.
This talk will introduce the issues of stabilising a sequence of images. It will mainly focus on "discreet" sequences of images (time lapses, stop motion) but will have many bits relevant to more typical continous-ish videos.
It will introduce some methods to solve that problem, and various benefits of having these methods in GStreamer, so that they are available to solve other related problems (such as following an object, movement detection, automated compositing or 3D reconstruction).
Of course, there will be cool demos, hopefully featuring stunning aerial pictures getting transformed into a smooth video.
More information at http://emont.org/blog/2011/11/10/gstreamer-and-opencv-for-image-stabilisation/.
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