\begin{Verbatim}[commandchars=\\\{\}]
\PYG{k}{def} \PYG{n+nf}{calc\PYGZus{}gauss\PYGZus{}sharp}\PYG{p}{(}\PYG{n}{image}\PYG{p}{):}
  \PYG{n}{kernel} \PYG{o}{=} \PYG{n}{np}\PYG{o}{.}\PYG{n}{ones}\PYG{p}{((}\PYG{l+m+mi}{5}\PYG{p}{,} \PYG{l+m+mi}{5}\PYG{p}{),} \PYG{n}{np}\PYG{o}{.}\PYG{n}{float32}\PYG{p}{)} \PYG{o}{/} \PYG{l+m+mi}{25}
  \PYG{n}{gauss\PYGZus{}image} \PYG{o}{=} \PYG{n}{cv2}\PYG{o}{.}\PYG{n}{GaussianBlur}\PYG{p}{(}\PYG{n}{image}\PYG{p}{,} \PYG{p}{(}\PYG{l+m+mi}{5}\PYG{p}{,} \PYG{l+m+mi}{5}\PYG{p}{),} \PYG{l+m+mi}{0}\PYG{p}{)}

  \PYG{n}{kernel} \PYG{o}{=} \PYG{n}{np}\PYG{o}{.}\PYG{n}{array}\PYG{p}{(}
    \PYG{p}{[}
      \PYG{p}{[}\PYG{l+m+mi}{0}\PYG{p}{,} \PYG{o}{\PYGZhy{}}\PYG{l+m+mi}{1}\PYG{p}{,} \PYG{l+m+mi}{0}\PYG{p}{],}
      \PYG{p}{[}\PYG{o}{\PYGZhy{}}\PYG{l+m+mi}{1}\PYG{p}{,} \PYG{l+m+mi}{5}\PYG{p}{,} \PYG{o}{\PYGZhy{}}\PYG{l+m+mi}{1}\PYG{p}{],}
      \PYG{p}{[}\PYG{l+m+mi}{0}\PYG{p}{,} \PYG{o}{\PYGZhy{}}\PYG{l+m+mi}{1}\PYG{p}{,} \PYG{l+m+mi}{0}\PYG{p}{]}
    \PYG{p}{]}
  \PYG{p}{)}

  \PYG{k}{return} \PYG{n}{cv2}\PYG{o}{.}\PYG{n}{filter2D}\PYG{p}{(}\PYG{n}{gauss\PYGZus{}image}\PYG{p}{,} \PYG{o}{\PYGZhy{}}\PYG{l+m+mi}{1}\PYG{p}{,} \PYG{n}{kernel}\PYG{p}{)}
\end{Verbatim}