deletions | additions       diff --git a/subsection_Video_Graph_Data_Structure__.tex b/subsection_Video_Graph_Data_Structure__.tex  index d0f1840..ba8f129 100644  --- a/subsection_Video_Graph_Data_Structure__.tex  +++ b/subsection_Video_Graph_Data_Structure__.tex 
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\item $min_i$ : the minimum most location of 3D bounding box point in cell-coordinate $\mathbb{R}^3$.  \item $max_i$ : the minimum most location of 3D bounding box point in cell-coordinate $\mathbb{R}^3$.  \item $mean_i$: the mean cell location, $\mathbb{R}^3$.  \item $hist_i$: the bow histogram over the local features $f_i \in s_i$, $\mathbb{R}^{4k} \ntimes \times  5$ \item $sparsity_i$: the number of non-zeros bins in the bow histogram $hist_i$.   \item $$  \end{itemize}