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Visualizing mpeg4 motion compensation vectors using mplayer

The MPEG4 video encoding process makes use of block motion compensation to achieve compression. The motion compensation process serves to produce the intra frames which are the frames between keyframes. I’ve always been fascinated by this process and was delighted to find out that my favorite video player, mplayer ...


Topic extraction using Wikipedia data

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In an earlier article, I mentioned that I was trying to use Wikipedia data to do news article clustering to make it easy for me follow news feeds. I have made some progress. I’ve written an ...


Generating call graphs for understanding and refactoring python code

I have always been a fan of visualizations as I believe firmly that it is easier to crunch visual information than anything else. Visualizations are especially helpful for finding out patterns in data that are not expected and for patterns that are difficult to express textually in a concise manner ...

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