deletions | additions       diff --git a/subsection_Approximation_of_probability_distribution__.tex b/subsection_Approximation_of_probability_distribution__.tex  index 04bf9ad..9b4d9e7 100644  --- a/subsection_Approximation_of_probability_distribution__.tex  +++ b/subsection_Approximation_of_probability_distribution__.tex 
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\[P((x,y),T) = \sum_{(x',y')\in T}K((x,y),(x',y'))\]  where $K$ is a gaussian kernel. in practice we take a discrete gaussian kernel filter for $K$.  \begin{table}   \begin{tabular}{ c |  c |  c } 0.0625 & 0.125 & 0.0625 \\   0.125 & 0.25 & 0.125 \\   0.0625 & 0.125 & 0.0625 \\