Entry 2
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.. image:: entry2.png
   :width: 540

Authors
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- Tony Perkins

We had some simple fixed camera video footage which we wanted to do
some sort of motion tracking analysis on.  I used OpenCV to compare
sequential frames.  By simply taking the absolute difference with a
threshold, frame-by-frame motion tracking is obtained. This motion
tracking data which was allowed to accumulate as we advance through
the video.  The resulting dataset was graphed as a filled contour
plot.  The borders of the graph where removed, the result resized, and
overlaid over the opening frame of the video.  This final image makes
for a very effective visualization of the video motion.

Products
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Source
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.. literalinclude:: process_video.py

- `Original video <https://www.youtube.com/watch?v=08rpqW2Z9Vw>`__

- `Source repository <https://github.com/toperkin/HotTube>`__