Hello ,I am trying to write a program that detects abnormality in crowded scenario. In which I first detected the interest points using Spatio-Temporal Interest Point Detector([STIP](https://www.di.ens.fr/~laptev/interestpoints.html)) and now would like to track the interest points using KLT tracker. But I don't know how to proceed with this. I tried to download KLT from [here](http://www.ces.clemson.edu/~stb/klt/index.html) and Install but couldn't do it successfully. I would like seek some help( a guide) regarding how to install KLT tracker and use it to track Interest points.
I would like to use these motion vectors produced by KLT tracker to calculate the Interaction Energy Potentials for each Interest Point as Discussed in this [paper](http://www.research.rutgers.edu/~minggao/files/XinyiCui_CVPR2011.pdf)
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